Journal of Chemical Technology and Metallurgy, 53, …dl.uctm.edu/journal/node/j2018-6/Sadarjanie _1-6_2018...1221 Journal of Chemical Technology and Metallurgy, 53, 2, 2018 Synthesis

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Table of conTenTs iss. 1 - 6, 2018

Journal of Chemical Technology and Metallurgy, 53, 1, 2018

Dear readers Prof. Dr. Iskander Beisembetov, Rector of Satbayev University......................................................................................................................................3

Satbayev University History, educational and scientific activities...............................................................................................................5

Biocatalytic activity of various biopolymeric complexes with transient metal ionsNazym M. Zhunusbekova, Nurzhan S. Chinibayeva, Zhanar М. Zhaksybayeva, Zoya K. Tuiebakhova,Tynyshtyk K. Iskakova, Gaukhar M. Kashakova, Nazgul N.Torekhan..............................................................................9

Hydrogenation of nitroaromatic compounds by gold nanoparticles immobilized within macroporous amphoteric cryogels in aqueous solutionsMadi Aldabergenov, Moldir Dauletbekova, Alexey Shakhvorostov, Gaukhar Toleutay, Alexey Klivenko, Sarkyt Kudaibergenov.....................................................................................17

Application of hydrolytic precipitation for separation of rare-earth and impurity elementsSultanYulusov, Tatyana Y. Surkova, Vladlen A. Kozlov, Madina Barmenshinova .....................................................27

Pillar structural bentonite for obtaining dimethyl ether from natural gasMaxat Myrzakhanov, Yergali Markayev, Кenzhe Shekeyeva, Bolysbek Utelbayev............................................................31

Characterisation of solid sulfur in the Tengizchevroil Seitzhan A. Zaurbekov, Nina I. Chugunova, Gulnur S. Tatichanova, Merey E. Nursultanov......................................37

A new monoalkyl phosphate ester based on a product derived from the recycling of a postconsumer polyethylene terephthalate wasteAssem K. Merekenova, Galina I. Boiko, Sergey A. Dergunov, Raushan G. Sarmurzina, Uzakbay S. Karabalin, Nina P. Lubchenko.................................................................................................................43

Synthesis, characteristics and antibacterial activity of polymeric films based on starch and polyvinyl alcoholSana K. Kabdrakhmanova, Esbol Shaimardan, Kydyrmolla Akatan, Ainur K. Kabdrakhmanova, Nurgamit Kantai, Madi B. Abilev............................................................................................50

Investigation and development of the technology for integrated processing of wastes from phosphorous industryMаlik N. Abdikarimov, Khalima Kh. Turgumbayeva, Tuleuzhan I. Beisekova, Irina Z. Lapshina,

Raushan Kh. Turgumbayeva, Umbetaly K. Sarsambin, Maxat Zh. Shanbayev, Zhuldyz U. Abdualiyeva...................61

Application of sol-gel transition of gellan and xanthan for enhanced oil recovery and as drilling fluidsZhanara Nurakhmetova, Iskander Gussenov, Vladimir Aseyev, Vladimir Sigitov, Sarkyt Kudaibergenov................68

Journal of Chemical Technology and Metallurgy

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On sorption of the rare-earth elementsSultan Yulusov, Tatiana Y. Surkova, Leila U. Amanzholova, Madina B. Barmenshinova......................................................79

Synthesis of water soluble copolymers and their interpolymer complexes with poly(acrylic acid)Ulantay Nakan, Raikhan Rakhmetullaeva, Grigory A. Mun, Gulzhakhan Zh. Yeligbaeva, Aigul A. Amitova, Balgyn Tolkyn, Erengayf M. Shaihutdinov, Merey E.Nursultanov, El-Sayed Moussa Negim..................................83

Influence of polyacrylic acid hydrogel’s swelling degree on sorption ability of intergel system polyacrylic acid hydrogel – poly-4-vinylpyridine hydrogel in relation to neodymium ionsTalkybek K. Jumadilov, Ruslan G. Kondaurov, Serik S. Kozhabekov, Gauhar A. Tolegen, Gauhar K. Eskalieva, Sergali A. Khakimzhanov..........................................................................................................88

Sorption removal of Pb2+, Cd2+, Cu2+ from diluted acid solution by chitosan modified zeolite Marzhan Zh. Kussainova, Raisa M. Chernyakovа, Umirzak Zh. Jussipbekov, Hamdi Temel, Salih Pasa, Raushan A. Kaiybayeva, Aktolkyn A. Agatayeva....................................................................................94

On increase of the efficiency of extracting phenolic compounds from palm oil mill effluentSaifuddin Nomanbhay, Saltanat A. Uskenbayeva, M.Y. Ong......................................................................................101

On the process of phosphate ions removal from cottrel milkSaltanat A. Uskenbayeva...............................................................................................................................................112

New generation of energy accumulating substances on the basis of activated aluminumRaushan G. Sarmurzina, Galina I. Boyko, Meirzhan T. Baigaziyev,Uzakbai S. Karabalin, Nina P. Lubchenko.................................................................................................................119

Surface - active copolymers of vinyl ethersSara Khussain, Yerengaip Shaikhutdinov, Nurgul Seitkaliyeva, Akbota Zhenisova....................................................125

A new approach to expansion of Baldwin-Aibassov’s rules concerning the ring-closing reaction of the d- and f-elements of the periodic table of elements Yerkin Aibassov, Valentina Yemelyanova, Maxat Bulenbayev, Ruslan Nurlybaev, Bagdat Altaibayev............................................................................................................................132

Guide for Authors..........................................................................................................................................................135

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Synthesis and energy transfer properties of fluorescence sensing bifluorophore based on 2-aminodimethylterephthalate and 3-aminobenzanthronePolya Miladinova..........................................................................................................................................................139

A novel 1,8-naphthalimide probe for selective determination of Hg2+ in a wide pH windowPaoleta V. Krasteva, Margarita D. Dimitrova, Nikolai I. Georgiev, Vladimir B. Bojinov...........................................150

Chemistry and health impacts of trans fatty acidsAlemayehu Gashaw, Million Getasetegn......................................................................................................................159 Elaboration and rheological study of a new trifunctional polyepoxide macromolecular binderRachid Hsissou, Ahmed El Harfi ...................................................................................................................................170

Extraction of phenolic and flavonoid compounds from solid wastes of grape seed oil production by cold pressingIlonka Saykova, Bartos Tylkowski, Cristina Popovici, Georgi Peev.............................................................................177.Peculiarities of the process of destruction of stable water-oil emulsions in intermediate layersOlga Yu. Sladovskaya, Dmitry G. Tsyganov, Natalia Yu. Bashkirtseva, Aliya A. Mukhametzyanova......................191

Removal of heavy metal ions from wastewater using conventional and nanosorbents: a reviewKaterina Atkovska, Kiril Lisichkov, Gordana Ruseska, Aleksandar T. Dimitrov, Anita Grozdanov...........................202

Equilibrium and kinetic study on hexavalent chromium sorption on bentonite supported zero valent ironDashjargal Arildii, Sarangerel Davaasambuu, Sukhbaatar Batchuluun........................................................................218

A possible use of raw and treated kalimantan sub-bituminous coal as colour adsorbent in aqueous solutionsGaluh Yuliani, Amallia Yuliana, Agus Setiabudi, Anggoro Tri Mursito......................................................................232

Waste resources utilization for zeolite A synthesisNada S. Ahmedzeki, Marwa N. Abbas, Ahmed M. Joodee, Yasamin M. Jaed................................................................239

Treatment of wastewaters containing Fe, Cu, Zn and As by microbial hydrogen sulfide and subsequent removal of COD, N and PSvetlana Bratkova, Silviya Lavrova, Anatoliy Angelov, Katerina Nikolova,Rosen Ivanov, Bogdana Koumanova...............................................................................................................................245

Composition of water and peloid from lake Buuntsagaan and element acummulation of peloidBaasankhuu Tserenkhand, Zandraa Badnainyambuu, Gongor Erdenechimeg, Oyuntsetseg Bolormaa...............................................................................................................258

Passive air sampling monitoring of POPs in southeastern Europe at high mountain station BEO - Moussala, BulgariaNina Nikolova, Silviya Lavrova-Popova, Plamena Petkova, Stefan Tsakovski, Petra Pribylova................................267

Еffect of expanded vermiculite and expanded perlite as pore forming additives on the physical properties and thermal conductivity of porous clay bricksAngel Georgiev, Albena Yoleva, Stoyan Djambazov, Dimitar Dimitrov, Valentina Ivanova...........................................275

Development and investigation of pyrotechnic gas generating burning compositions Marat Tulepov, Dauren Baiseitov, Larissa Sassykova, Yuri Kazakov, Sholpan Gabdrashova, Zulkhair Mansurov, Alan Dalton....................................................................................................281

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Development and testing of catalysts on metal block carriers for exhaust gases neutralization Larissa Sassykova, Arailym Nalibayeva............................................................................................................................289

Removal of impurities from talc ore by leaching methodKianoush Barani, Valeh Aghazadeh...................................................................................................................................296

Nickel ferrite formation at low temperatureLiliya Frolova, Alexander Baskevich.............................................................................................................................301

Enhancing the energy and environmental efficiency of the fire refining of blister copper in anode furnacePart I: Optimization of the heat generation in the operations area of the furnaceDaniela Choshnova, Peter Iliev..........................................................................................................................................306

Comparative analysis of electrochemical corrosion behavior and inhibition of 2101 duplex and 301 austenitic stainless steel in 4-cyanobenzene/6M H2SO4 solutionRoland Tolulope Loto...................................................................................................................................................311

Two derivatives of 7-amino-thiazolo[3,2-a]pyrimidine as inhibitors of mild steel corrosion in 1.0 M HCl solution:Part I: Synthesis of inhibitors and electrochemical studyHouda Serrar, Mouhsine Galai, Fouad Benhiba, Moussa Ouakki, Zakaria Benzekri,Said Boukhris, Amina Hassikou, Abdelaziz Souizi, Hassan Oudda, Mohamed Ebn Touhami.............................................324

4-hydroxy-3-methoxybenzaldehyde as a volatile inhibitor on the atmospheric corrosion of carbon steel Victoria Vorobyova, Olena Chygyrynets, Margarita Skiba................................................................................................336

Ultrasonic NDT of steel: effect of the grain size on the ultrasonic propagation and attenuationFrancesco Bonifazi, Pietro Burrascano, Andrea Di Schino, Sabrina Mengaroni,Federico Petrucci, Marco Ricci, Luca Senni......................................................................................................................346

Comparison of results of dynamic recrystallization research of HC420LA steel by two types of tests on Gleeble 3800Tatiana Zhuchkova, Sergey Aksenov, Valeriy Shkatov, Igor Mazur............................................................................354

Efficiency of metal deformation in the exhaust calibers at rollingof reinforcing profile from the initial workpiece of larger sizesOlga N. Krivtsova, Sergey N. Lezhnev, Toncho A. Koinov, Sergey S. Mikheev, Viktoria M. Tsyganova.................360

Development of the model of cold rolling process in dynamic conditionsAleksandr V. Kozhevnikov, Irina A. Kozhevnikova, Nataliya L. Bolobanova..................................................................366

Engineering method of determination of thermal bulge of work rolls of the hot rolling millSergey M. Belsky, Sergey N. Lezhnev, Evgeniy A. Panin...........................................................................................373

Numerical simulation laboratory hot rolling process of a round bars in flat rollsDmitrii Demin, Ivan Zakhariev, Taisia Labutina, Anna Levikina......................................................................................380

TEM SAED analysis of (Yb, Na)-co-doped lasing fluoride crystalsSvilen M. Gechev, Hristo L. Iliev, Tsvetomir M. Gechev..............................................................................................386

Influence of aromatics content in the feed stream on HF-catalyst regenerator and linear alkylbenzenes sulphonation reactor stabilityIrena Dolganova, Elena Ivashkina, Emilia Ivanchina, Igor Dolganov..............................................................................390

Guide for Authors..........................................................................................................................................................395

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Studies on natural rubber based composites filled with products from renewable resources with improved adhesion to icy surfaces Nikolay Dishovsky, Filis Mitkova, Yordan Angelov, Мara Kandeva, Latinka Vladimirova.......................................................399Low adhesive surfases for biofouling control Todorka G. Vladkova.........................................................................................................................................................408

Synthesis and characterization of a new epoxy resin homologous of DGEBA: diglycidyl bis disulfide carbon ether of bisphenol ARachid Hsissou, Atiqa Bekhta, Ahmed El Harfi.................................................................................................................414

A study of properties of road petroleum bitumen modified with polymer additivesAyaz I. Abdullin, Elena A. Emelyanycheva........................................................................................................................422

Enrichment of nutritional contents of sawdust by composting with other nitrogen rich agro-wastes for bio-fertilizer synthesisAsadu Christian Oluchukwu, Aneke Gibson Nebechukwu, Samuel O. Egbuna...................................................................430

Factorial design study of P2O5 reduction for Jordanian phosphogypsum using sulfuric and nitric acids solutionsMohammad A. Aliedeh.......................................................................................................................................................437

Synthesis of pyrrole and substituted pyrroles (review)Diana Tzankova, Stanislava Vladimirova, Lily Peikova, Maya Georgieva...........................................................................451

Spectroscopic and voltamperometric studies of Cu(II) complex with 3-amino-5,5-diphenylhydantoinStela Georgieva, Petar Todorov..........................................................................................................................................465

Sulfur doped fluorescent carbon dots as nanosensors for rapid and sensitive monitoring of calcium in hard waterAlexandre Loukanov, Polina Mladenova, Hibiki Udono, Zsombor Miskolczy,Anatoly Angelov, László Biczók, Seiichiro Nakabayashi..................................................................................................473

Characterisation of Karaçeva bentonite by chemical composition, granulometric analysis and Mössbauer spectroscopyMehush Aliu, Mensur Kelmendi, Luljeta Pula-Beqiri, Milaim Sadiku, Sadija Kadriu.....................................................480

Simultaneous removal of Cu2+ and SO42- using Ba2+- modified clinoptilolite from aqueous medium

Silviya Lavrova-Popova, Grigor Hlebarov..........................................................................................................................486

Study on the metalworking wastewater pre-treatment using Fenton’s reaction Kristina Gerulová, Maroš Soldán..........................................................................................................................................491

Sensors applicability for PM2.5 and PM10 air concentration measurementsNina Ilieva, Yana Nikolova, Ivaylo Predyov, Nikolay Kozarev........................................................................................496

Usage of the sludge from water treatment plant in brick-making industryYousif Algamal, N. M. Khalil, Qayid M. Saleem...............................................................................................................504

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Numerical simulation of bubble breakup and coalescence in bubbling two-phase flowDessislava Moutafchieva, Veselin Iliev..............................................................................................................................511

Magnetohydrodynamic double-diffusive convection in fluid saturated inclined porous cavity with thermal radiation and chemical reactionBalla Chandra Shekar, Chinthapally Haritha, Naikoti Kishan.............................................................................................518

Synthesis of catalysts on the metal block carriers and testing their effectiveness in the real conditions of operation Larissa Sassykova, Vladimir Bunin, Arailym Nalibayeva, Meruyert Nurakhmetova........................................................537

Use of the nanostructured soot in gas generators for processing of a bottomhole zone of oil wellsDauren Baiseitov, Sabit Tursynbek, Marat Tulepov, Larissa Sassykova, Meruyert Nazhipkyzy, Sholpan Gabdrashova, Yuri Kazakov, Igor Pustovalov, Fedosya Abdrakova, Zulkhair Mansurov, Alan Dalton..................................................543

Kinetics of electrodeposition of NiP, CoP and NiCoP coatings depending on sodium hypophosphite concentrationKatya Ignatova, Yordanka Marcheva..................................................................................................................................549

Electrochemical recovery of gold from concentrate by using sulfur-graphite electrode as the leaching agent sourceRashid K. Nadirov, Leila I. Syzdykova, Aisulu K. Zhussupova.........................................................................................556

Study of soda effect on the sintering process of low titanium slag Galymzhan Maldybayev, Madali Naimanbaev, Irina Shadrunova, Nyna Lokhova, Rustam Sharipov...............................564

Extraction and separation studies of Ce (III) from acidic nitrate medium with binary mixture of Aliquat 336 and Cyanex 921 in keroseneSujata Mishra, Sushanta Kumar Sahu..................................................................................................................................572

Process optimization of hydrochloric acid leaching of iron from Agbaja clayOnukwuli Okechukwu Dominic, Udeigwe Uchenna, Ude Callistus Nonso......................................................................581

Effect of furnace temperature on iron nugget production under semi-fusion conditionsYunus Emre Benkli, Mustafa Boyrazli, Zeki Cizmecioglu..............................................................................................590

Two derivatives of 7-amino-thiazolo[3,2-a]pyrimidine as inhibitors of mild steel corrosion in 1.0 M HCl solution Part II: Adsorption and quantum chemical studiesHouda Serrar, Mouhsine Galai, Fouad Benhiba, Moussa Ouakki, Zakaria Benzekri,Said Boukhris, Amina Hassikou, Abdelaziz Souizi, Hassan Oudda, Mohamed Ebn Touhami.........................................597

Microstructure and mechanical properties of austenitic stainless steel AISI-321 after radial shear rollingAbdrakhman Nayzabekov, Sergey Lezhnev, Oleg Maksimkin, Kira Tsai,Eugeniy Panin, Alexandr Arbuz.........................................................................................................................................606

Effect of the heat treatment on the microstructure and mechanical properties of the Al - 12 mass % Si alloy weldedBouremel Cherifa, Sakri Adel...............................................................................................................................................612

Guide for Authors...............................................................................................................................................................619

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Plant mediated synthesis of silver nanoparticles using extracts from Tilia cordata, Matricaria chamomilla, Calendula officinalis and Lavandula angustifolia flowersBorislava Mladenova, Svetlomir Diankov, Maria Karsheva, Simeon Stankov, Ivaylo Hinkov...........................................623

Optimization of extraction of antioxidants from Bulgarian Mavrud by-products Vanya Dimcheva, Maria Karsheva, Svetlomir Diankov, Ivaylo Hinkov...........................................................................631

Green extraction of high added value substances from spent coffee grounds: preliminary resultsSilvia S. Georgieva, José A.P. Coelho, Filipe C. Campos, M. Paula Robalo, Roumiana P. Stateva...........................................640

Binary adsorption of copper and sulfates on barium-modified clinoptiloliteSilviya Lavrova-Popova, Zvezdelina Yaneva...........................................................................................................................647

Removal of pesticides and desethylatrazine (DEA) by nanofiltration: Effects of organic and inorganic solutes on solute rejectionIbrahim Musbah, Delphine Cicéron, Abdellah Saboni, Silvia Alexandrova.......................................................................657

The influence of surfactants on the drainage and rupture of mobile liquid films between drops: A parametric numerical studySilvia Alexandrova, Maria Karsheva, Aleksandar M. Spasic, Abdellah Saboni................................................................664

Dual-mode distributed model predictive control of a quadruple-tank systemAlexandra Grancharova, Tor A. Johansen, Sorin Olaru..................................................................................................674

Microbial production of 1-butanol – recent advances and future prospectsFlora Tsvetanova, Penka Petrova, Kaloyan Petrov...................................................................................................................683

Application of three-stage approach to isolation and purification of Pseudozyma antarctica lipase BBorislav Borisov, Daniela Manova, Spaska Yaneva, Dancho Danalev, Lyubov Yotova..........................................................697

Copper phytofiltration and sulfates removal from aqueous media in subsurface vertical flow wetland by Phragmites australisSilviya Lavrova-Popova, Grigor Hlebarov............................................................................................................................706

Chemical composition of different types of compostMetodi Mladenov.....................................................................................................................................................................712

Calibration of GC/MS method and validation of the modified sample preparation for determination of polycyclic aromatic hydrocarbonsIvan Givechev, Dancho Danalev, Spaska Yaneva, Dimitar Tanev......................................................................................717

First steps of development of a method for simultaneous determination of cholesterol and fatty acids in food matricesHayssam El Mazbouh, Ivan Givechev, Dimitar Tanev, Spaska Yaneva, Dancho Danalev..................................................725

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Spectroscopic study of the template synthesized intermetallic (Co-Sn, Ni-Sn, Co-Ni) nanoparticles with a carbon supportIvania Markova, Mehmet Piskin, Ivan Zahariev, Dimka Ivanova, Ludmil Fachikov, Evangelis Christoforou................729

Effect of the potential on the film composition and the stress corrosion cracking of mild steel in ammonium nitrate solutionsDimka I. Ivanova, Ludmil B. Fachikov............................................................................................................................740

Optical and color characteristics of porous alumina with electrochemically incorporated silver Denitsa Kiradzhiyska, Rositsa Mantcheva, Christian Girginov, Stephan Kozhukharov.....................................................745

Structural investigation of tellurium based thin filmsVladislava Ivanova, Yordanka Trifonova, Vanya Lilova, Valdec Mikli, Angelina Stoyanova-Ivanova................................749

Physico-chemical characterization of new tellurium based chalcogenide materialsYordanka Trifonova, Vladislava Ivanova, Vanya Lilova, Desislava Vasileva, Tanya Boteva............................................755

Glass-crystall materials containing Bi12TiO20 and Bi4Ti3O12 phases obtained from freelycooled melts of Bi2O3-TiO2-SiO2-Nd2O3 systemStanislav Slavov, Zheng Jiao...............................................................................................................................................759

Contribution to strengthened reinforced concrete structures by externally bonded carbon fibres fabricsDimitar Dontchev, Ivelina Ivanova, Jules Assih ..................................................................................................................765

Green business management as а business opportunity for small and medium-size enterprises in polymer industryElka Vasileva, Yuliya Hristova-Pesheva, Daniela Ivanova.................................................................................................773

Student-centered learning in a bilingual environment – a possible approach to achieve specific goals in engineerng educationVeselina Kolarski, Dancho Danalev, Senia Terzieva..................................................................................................................782

Guide for Authors...............................................................................................................................................................787

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Effects of the flow type on the immobilization of horseradish peroxidase on polymersSpaska Yaneva, Tzvetan Velinov, Lyubov Yotova.............................................................................................................791

A neighborhood model of a station for maintaining polyol optimum temperature Anatoly M. Shmyrin, Evgeny M. Kramchenkov, Vyacheslav A. Sterligov, Alexey G. Yartsev.............................................801

Modeling elastomer properties in presence of a composite vulcanization activatorAnatoly K. Pogodaev, Sergey G. Tikhomirov, Olga V. Karmanova,Elena A. Balashova, Semen L. Podvalny, Anastasiya Yu. Fatneva............................................................................................807

Developments in nutrient removal and recovery Valentin Nenov, Husein Yemendzhiev, Jovelina Dimitrova, Gergana Peeva, Ralitza Koleva, Farid Zerrouq.....................................................................................................................816Synthesis and characterization of zeolite 4A using Swat kaolinAmin Ur Rahman, Farid Ullah Khan, Waheed Ur Rehman, Sanum Saleem..............................................................................825

Synthesis and characterization of CuO coated montmorillonite and its effect on mercury (II) ions removal from aqueous mediaDavidson E. Egirani, Mohamed T. Latif, Nanfe R. Poyi, Napoleon Wessey, Shukla Acharjee...........................................830

On the effect of acrylamide and methylenebicacrylamid ratio on gelcasted ceramic pore characterSuriati Eka Putri, Diana Eka Pratiwi, Rachmat Triandi Tjahjanto, Diah Mardiana, Subaer..................................................841

Dissolution kinetics studies of Nigerian gypsum ore in hydrochloric acid Folahan Amao Adekola, Adebayo Isaac Olosho, Alafara Abdullahi Baba, Samad A. Adebayo.........................................845

Titanium powder segregation out of cathode deposit of titanium electrolyzersVladimir A. Karelin, Aleksandr N. Strashko, Vasiliy I. Sobolev, Alexander V. Sazonov, Nadezhda V. Karelina.........................................................................................................................856

Mechanical and wear behaviour of Zn-27Al based composites reinforced with particulate mixes of quarry dust, silicon carbide and graphiteKenneth Kanayo Alaneme, Sodiq Abiodun Kareem, Eloho Anita Okotete,Oluwaseyi Ademola Ijogun, Damilare Jeremiah Oyeyemi....................................................................................................864

Conversion of ammonium cyanate solution at 293.15 KMladen E. Lilov, Plamen P. Kirilov.......................................................................................................................................872

A new epoxy resin based organic molecule as an effective inhibitor of mild steel corrosion in a sulfuric acid mediumNaoual El-Aouni, AbdelIlah Benabida, Mohammed Cherkaoui, Ahmed Elharfi...................................................................878

Spent galvanized zinc-ash processing Part (II): Solvent extraction of zinc from leached liquor by CYANEX®272 Alafara A. Baba, Joseph O. Oyetunde, Folahan A. Adekola, Vincent O. Adimula, Abdulrahman A. Mukadam, Babatunde R. Adekunle..........................................................................................................891

Elaboration and electrochemical studies of the coating behavior of a new pentafunctional epoxy polymer (pentaglycidyl ether pentabisphenol phosphorus) on E24 carbon steel in 3.5 % NaClRachid Hsissou, Bouchra Benzidia, Najat Hajjaji, Ahmed Elharfi...............................................................................................898

Electrodeposition of chromium coatings from a choline chloride based ionic liquid with the addition of waterVyacheslav S. Protsenko, Lina S. Bobrova, Alexander S. Baskevich,

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Sergey A. Korniy, Felix I. Danilov..........................................................................................................................................906Impact of rare earth elements Ce and Pr addition on grain refinement of AA5083 alloyA. Ali Al-Bakoosh, Jamaliah Idris...........................................................................................................................................916

Refractory materials for steel-making equipment liningMargarita A. Goncharova, Olga V. Karaseva, Sergey V. Maklakov, Konstantin V. Bakhaev................................................924

Research of power and temperature loading conditions of pinion stand rolls sliding supportsAlexandr P. Zhiltsov, Anatoly A. Kharitonenko.........................................................................................................................929

Modeling and development of a forging ingot of rational design and massAleksandr N. Rogotovsky, Alexey A. Shipelnikov, Natalya A. Bobyleva.................................................................................936

The influence of roll working surface topography on wear resistance and quality of cold rolled grain-oriented steelAlexander M. Kozlov, Victor V. Telegin, Andrey A. Kozlov......................................................................................................943A research of a cooling temperature mode of hot strips from low-alloyed steels Evgeny B. Bobkov, Vladimir N. Solovyev, Igor P. Mazur....................................................................................................950

Estimation of energy and power parameters of deformation of three-layer sheet constructions in conditions of viscoplastic flow of the materialValeriy I. Platonov, Yuliya V. Bessmertnaya, Sergey N. Larin................................................................................................956

On the estimation of flanging limit coefficient for metals characterized by anisotropy of mechanical propertiesYuliya V. Bessmertnaya, Andrey A. Pasynkov, Sergey N. Larin.........................................................................................961

On microstructure formation features of 9 % nickel cold-resistant steel and its properties brought about by different heating treatment procedures Pavel P. Poletskov, Olga A. Nikitenko, Dmitry M. Chukin, Marina S. Gushchina, Sergey А. Fedoseev..........................967

Inherent effect of the crystal structure of continuous cast steel billets on the formation of structure of high carbon wire rod in coilsAlexander B. Sychkov, Eduard V. Parusov, Alexander N. Zavalishin, Alexandr V. Kozlov.........................................................977

Improving the structure and properties of heat and abrasion resistant cast irons by treating them with calcium strontium carbonateValery M. Kolokoltsev, Elena V. Petrochenko, Alexey N. Emelyushin, Olga S. Molochkova, Vyacheslav S. Slavin, Igor P. Mazur...............................................................................................986

A development of the adaptive technology of sinter production at PJSC MMKSalavat K. Sibagatullin, Alexander S. Kharchenko, Alexander S. Savinov, Valentin N. Selivanov, Dmitry N. Gushchin, Igor P. Mazur..............................................................................................990

Development of calibration of rolling round steel № 40 from 150 x 150 mm billets in 320 JSC „SSGPO“ millAbdrakhman B. Naizabekov, Bereke S. Mukhametkaliev, Sergey N. Lezhnev, Evgeniy A. Panin, Evgeniy V. Andreev...............................................................................................................................995

Reduction smelting of antimony concentrate obtained in the course of lead productionFeruza Berdikulova, Abdurasul Zharmenov, Alma Terlikbayeva, Alimgazy Sydykov, Yevgeniy Mazulevskiy....................................................................................................................1001

Development and investigation of a symmetric induction heating unit for spherical shape metal wareSergey S. Titov, Victor N. Meshcheryakov......................................................................................................................1009

Guide for Authors..............................................................................................................................................................1017

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Dear readers............................................................................................................................................................1021

Prof. D.Sc. Yanko Dimitriev A life devoted to the science and the knowledge Anna Staneva, Vesselin Dimitrov, Stojan Djambazov................................................................................................1025

Group optical basicity and single bond strength of lead borate glassesVesselin Dimitrov, Tina Tasheva, Takayuki Komatsu...............................................................................................1031

Group optical basicity and single bond strength of oxide glassesVesselin Dimitrov, Takayuki Komatsu, Tina Tasheva....................................................................................................1038

NaPO3-AlF3 Glasses: fluorine evaporation during melting and the resulting variations in structure and propertiesDoris Möncke, Manoel da Cruz Barbosa Neto, Henrik Bradtmüller, Gabriel Buzatto de Souza, Alisson M. Rodrigues, Hager S. Elkholy, Hosam A. Othman, Benjamin J.A. Moulton, Efstratios I. Kamitsos, A.C.M. Rodrigues, Doris Ehrt............................................................................................1047

Electron microscopy investigation of the microstructure and elemental composition of barium titanate precipitated in oxide glassesRuzha Harizanova, Liliya Vladislavova, Georgi Avdeev,Christian Bocker, Ivailo Gugov, Christian Rüssel............1061

Synthesis of ZnTeO3 by crystallization of glasses in TeO2-Bi2O3-ZnO-Nb2O5 systemSvetlozar Ganev, Albena Bachvarova-Nedelcheva, Reni Iordanova, Bogdan Ranguelov, Svetlin Parvanov...........1067

Determination of the sensing characteristics of SiO2-Bi2O3-TiO2 system towards relative humidityAhmed S. Afify, Stanislav S. Slavov, Abd El-Razek Mahmoud, M. Hassan, Mohamed Ataalla, Anna Staneva, Amr Mohamed.....................................................................................................1073

An innovative composite material based on sintered glass foam granulesLyuben Lakov, Bojidar Jivov, Mihaela Aleksandrova, Yonka Ivanova, Krasimira Toncheva.............................................1081

Luminescent properties of rare earth doped ZnO-B2O3-P2O5 glasses Irena Kostova, Georgi Patronov, Dan Tonchev...........................................................................................................1087

Stress analysis of insulating glass units under transient thermal loadings Ivelin Ivanov, Dimitar Velchev, Nina Penkova, Kalin Krumov, Veselin Iliev........................................................1095

Multifunctional smart coatings on novel ceramics and glass-ceramic substrates in the context of the circular economyTeodora Stoyanova Lyubenova, Diego Fraga, Juan B. Carda Castelló, Vladimir Kozhukharov, Maria S. Machkova.............................................................................................................1103

Influense of brewery waste sludge containing diatomite on the physical properties and thermal conductivity of porous clay bricksAngel Georgiev, Albena Yoleva, Stoyan Djambazov..................................................................................................1117

Preparation of bonding substances on the ground of chrome concentrate utilization waste sludgeVladimir Petkov, Radoslav Valov, Ivan Penkov..............................................................................................................1123

1230

Investigation of the possibility of using waste aluminum slag as a raw material for the production of construction-ceramic articlesGanka Kolchakova, Milena Ivanova, Louiza Terziyska............................................................................................1127

Determination of the fractal dimension of porous ceramic materials Irena Markovska, Stancho Pavlov, Fila Yovkova, Stanka Yaneva...........................................................................1132

Estimation of ceramics surface roughness by fourier analysisIrena Markovska, Stancho Pavlov, Fila Yovkova, Todor Michalev, Stanka Yaneva...............................................1139

Production of prototypes of “yellow paving stones” in BulgariaPart I: Physical and chemical propertiesLyuben Lakov, Svetlana Encheva, Peniu Tsonev, Bojidar Jivov, Mihaela Aleksandrova, Krasimira Toncheva...........................................................................................................1144

Production of prototypes of “yellow paving stones” in BulgariaPart II: Tribological and mechanical indicatorsLyuben Lakov, Mara Kandeva, Peniu Tsonev, Veselin Vasilev, Bojidar Jivov, Mihaela Aleksandrova, Krasimira Toncheva, Nikolai Stoimenov.................................................1150

Efficiency of transparent structures in trombe wallsNikola Kaloyanov, Borislav Stankov, Georgi Tomov, Nina Penkova....................................................................1157

Comparative study of sol-gel derived pure and Nd - doped TiO2 nanopowders Albena Bachvarova-Nedelcheva, Stancho Yordanov, Reni Iordanova, Irina Stambolova.......................................1167

Photocatalytic degradation of two azo-dyes in single and binary mixture by La modified TiO2Angelina Stoyanova, Albena Bachvarova-Nedelcheva, Reni Iordanova....................................................................1173 Effect of CeO2 dopant on the structure and protection properties of TiO2 sprayed coatings deposited on carbon steelStancho Yordanov, Irina Stambolova, Lyuben Lakov, Bojidar Jivov, Vladimir Blaskov, Sasho Vasilev..............1179

Synthesis and characterization of supported spinel ferrite catalystsTanya Petrova, Nikolay Velinov, Diana Filkova, Ivanka Ivanova, Ivan Ivanov, Iliyana Yordanova, Silvia Todorova, Vasko Idakiev, Nartzislav Petrov, Ivan Mitov..........................................................1186

An effect of a natural zeolite on the characteristics of spring or electrochemically activated waterStoyan Djambazov, Albena Yoleva..............................................................................................................................1195

Enzymatic decolorization of dyes by laccase immobilized on hybrid carriersSpaska Yaneva, Nadezhda Rangelova, Lyubomir Aleksandrov, Dancho Danalev................................................1203

Synthesis and investigation of the properties of hybrid materials for enzyme immobilizationSpaska Yaneva, Vera Semerdzhieva, Raya Raykova, Dessislava Marinkova, Georgi Chernev, Ivo Iliev, Lyubov Yotova................................................................................................................1211

Guide for Authors....................................................................................................................................................1217

Table of Contents, iss. 1-6, 2018.............................................................................................................................1219

Documents

Journal of Chemical Technology and Metallurgy, 53, …dl.uctm.edu/journal/node/j2018-6/Sadarjanie _1-6_2018...1221 Journal of Chemical Technology and Metallurgy, 53, 2, 2018 Synthesis