Industrail Pollution Abatment

8/2/2019 Industrail Pollution Abatment

1/21

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CH311 ndustrI"-ch Cheruip .J

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(J} Wr ite p oin t-w is e I, brief h-1I.ll"lg rj,:tail:-: ~)f'i ~:tirie~~tiot1ct lile !.!JeC un e ';(1.' ~m ea sure me nt; a bollt 1 01 ' J\.,d ng e nvir .ruu -nrt.1 re .. ::-."i. II' Sbr.J(, 'ds ~t.~(i) h ., 11 0 no l Amb ie nt Ail .'lIdlill' Sta n.la r: .(ii) ( 'PCB le'l:l. I"~~bd mi, iUl! I.lr.d~lrds j . J '. ' .. . is ..w a .e r d i >C~I.rz c(iii) E q ui pr re r. t . .. .s ed star (;:11' ...; ,vL ~ispo'):J1 f )0 _ ir 'lJOIlnlL!, ~ljV ) loling J],,, ' , 1$ fore- I:; ,ie, limilm. on liI,(s(v 1 \1 s e _ o n regul'n . O ~ HC ) 01(vi) J W m l ! , . m llysl .. ,., ir l \Natel'

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4/21

,. me: - - ' S X : " " . J r < . _ ~ " '~ ' _ ' t , , - . ; : . = _ 06 I.kh '1 t < - 1Student Id _\lala\l~a" uonal l ns th u re 01 Technology .Lupu r

hemical Engineering Depa rtrne ntFir>t \lid Term ExaminatIOn - Februarv 11.2011\ I ernester B. Tech. (Chemical Engineering), esston 101011

CH316 Indu trial Pollution Abatement (Program Elective VII)vtax. \1~;2,._J

Attempt all que lions. 11/1parts of a question must be answered at one place. ( /'"'~ r ~ been JeJ"ncd .mucr The "a.cr Pr .enuon & : Cuntro P ~-~? tl- e ':

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5/21

:htt.l . J 1 ) . Student Id_Q.6.Ql3! II\JabviY:1 National In tit.utc of I'ech no logv .Iaipur

Chemical Engineering DepartmentFirst 1id Tern} Examination - Febr-uary 13, 2009

VI Semester 8.Tech. (Chemical Engineering), Session 200809CI-IJlO l ndust ri al Pollu tion Abatement

Time: I Hour Max. Marks: 20A ttemprall questions. ALIparts 0/([ question must beanswered alone place. Graph sheer may be

provided.I (a) Express Carb 11 monoxide concentration of9.0 ppm (b y v I.) in percent by olume as well.A as m g/N m ', (0 '. \I:! J J v s . J . '0 (2)~ ...,:,;'_' 1 j._ oJ

C f l The NO content of sample of air measured at 22 C_and I aI m pressure is I~ ppm .alculate e 0 conce tration-in gJrn3 (2) r-Compute the valu ofulrimate 00 and deomethod for the following BOD data: ~ge-llat'on c

ns ant k using Thomas8 104~oo,mglL , ]0 33 3~8 26

. . . ~b-.ool..qj~3. Give pomt-wise brief answers to follow~n"lwo examples of'each:(a) What do you mean by refractory organics in wastewater?(b) What are priority pollutants in wastewater?(c) What are volatile organic compoundsj.V(K')? Why are they cause of concern?. i : . . . (3:


6/21

tudcnt l d __ -,,- __I ~ _J\lal:1\' iya Nationnl Iust itu te orTcctmotogy J,nipur

Chcmicnl Engillccl'ing DepartmentFirSf M id Term E xum lnatlou - M arch 1 9,2008

\~ltlC~"'tCI' B. fech. ( hemicnl Engineering)l Session 2007-081 1 3 10 l n du st r! nl P ollu tio n b ntcm en t

:ffel1lf1' nil tl"(!\(iol1~. All porrs 0/11 (/IICMiulI must be fill were" til one place .Graph sheet may be provided(a) l ,/ le sh or t, ll1 S lI cr ,w th c f ll lo ," ng . I\\0 ~ (C' . . . . , . . - " , J ~

, t l) \ \ ritc th e nJI11C:lo ll!' p ara m ete rs u se d to qunnuty rgan ic n tcn t r \\ astew ater. ~ -....)f) \(ii) In II hat d iffe re nt form s n itrogen m n~ b e p resen t in wastewater? AI,o wri te the nam e of I' rms repre eruedb) T ta l kjeldah! nitrogen (I I - . )

\ rite the nom e or parameter II hie h is used t rep resen t the p re sence I' pa thogen i organ isms In water./' A I50 write the unit . in which i l i r ep re se nt ed .

(2\3=6)W hat do )OU und erstan d b ) a nox ic p ro ce ss es a nd tnb iliz ario n ofw aste s? E xp la in b rie fly .w (3).CO

2000 86.182100 ~S.361200 18 .1~

1100 1 700 2300 13.611200 61.2~ 1 800 52.1 6 1400 15.881300 JI.T 1 900 69.1 7 0100 12.47C "I (01 1",1 11 1 1 1Il\\ r.uc 1 1


7/21

rudent Id _"lal2\lya . .auoaal Institute of Tecbnologv Jaipur

Chemical Engineering pa rrrnenrFir_ "lid Term Exammarien - Februarv 13.; 9

\ I emesrer B.Te>:h. (Chemic Engineering). essicn _008-09CHJl lndusrnal Pollunou Abnemenl

-uremp: all questions. All parts Ija question must be answered U T one place. Gr ph sheet may eprovi '(1

B D. mg L.n.-: ise brief answers r 1',)1.0 \'la~ \ ith \0 xampl - or',l1a; do you mean b: r fractorv organic ill \ astewater?~'ha: are pri nr;. Iwant: in'.\as wate-?

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8/21

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.L MarKS-.""nun!,l alI questions. All pan, of Q question ffJJS1 be ans cd at c place:fa , ._ ,: rl 3 'e -=~~itD;j_'~e\\J"er= ~~ - ; , . l . .

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9/21

Student Jd _ - -\ 1 a l : l V i Y : l " t i o l l a l Iusututc of Tcchuotogy J a i p u rChem ir al Ellgillccring DepartmentSecond Mid Ten . . I ':XlIulin>,t ioll- March 19,2010VI Semester 1~.Tcch. (Chemical Engineering), Se s ion 200910

eH310 Indusu-ta l Pollution AbatementTime: I Haul Max. Marks: 20A uenipr all qll estions. All parts of II question must be answered at one place.

Cornput the va lue of ultirnate BO D and deoxy gena tion constant k (ba se e) by using m ethod of L ea st Squa re sfo r the followin gBOl) d ta re porte d fo r a s tre am r ece iv in g tre ate d e ff lu en t:I Tilm, da y I 2 I 4 i 6 I 8~oo. mgIL 11 18 22 24 1026

(7)wjime, hours Tillie, hours rate, Time, hour -s

0000 U481 0800 1600 0.08060100 0.0359 0900 0.0631 1700 0.08430200 0.0226 1000 0.0670 1800 0.08540300 0.0187 1100 0.0682 1900 0.08060400 U187 1200 0.0718 2000 0.07810500 0.0198 1300 0.0744 2100 0.06700600 0.0226 1400 0.0750 2200 0.05830700 0.0359 1500 0.0781 1300 0.0526 (8)7 - -


10/21

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, I S{'I1ICSI~1B.Tcl'h, l( 'Iu-tu i c n l FlIgilll'lTilll!), ~,'"itlll l(I(lS 1 1 ' 1C'HJ 10 Industrial Pnl luf inn AbatemcntT im e: I Hour 1 \1 :1 \. l.rrk : _O

Attempt (IIIquestions. All parts ( ! ( I l 1 [ 1 1 estion 1 1 1 1 / . 1 " 1 /II' 1/11,"11'( '1'1'1/111 (11/(' /1/1/("' ,I (a) Determine the size (I iajncter) 0 1 ' : 1 high mil ' II i('kl ill~ I!l in IIsil1e ' NI,t' L'lj11,11iL1i1\\1 Inllt", III!' . 1 , 1 1 , 1(i) W astew ater 00\\ ra te = : ; . M I I), (i i) Rcci l'l'III~1iOI1 I,ll ill I, "

t iii) B OD of 1 ' : 111 ' wastewater= _50 Illg I. (i\) no!) re mo va l iu prim.u , l'i.llilll'l ;(),'"(\) Final effluent 1 3 D desired - 30 Illg I . (\ i) i )l 'ptl l 01 l il tcr 111;1)hl' ,hSllllll'" tn hL' I "III

t')uivalenl . randard 1', tc (J ItG1'r I' I tc 1"(lbJ'111 'j,,' i I) fl II' (a) ;1, umiu: lill 'I

2 . A grit chamber of rectangular cro s section is to be de .igncd lor a maximum wastcwutcr 11\V rare 0112 ,000 m3/day 10 remove the smallest particles lip 10 0 ._ nun din. ; tl1l ll iavi lig spL'L'i li r 'ni l ;Iy oI_.I'~,The settling vel citic of these particles have been found ill the rang,' (,i' O.OIX to n.02' IIiIS. 1\constant flow through velocity orO.3 m/s by providing a proportional flow weir. I 'pili urrilullliT 'I IIII may be assumed. Compute the dimensions of" th e grit chamber. Provid '~ '' 'ra kptli 1i,11II 'L'bll~lIdand grit storage space @ 0.25 III each.

3. Define following terms related to biological treatment f wastcwatcr:(a) Anoxic processes(b) Stabilisation of wastewater solids(c) Nitr if ication

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(I)


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M ala viy a N ation al In stitute of T echn olog y JaipurC hem ica l E ng ineering D epartm en t

econd lid T erm E xam ina tion - M arch 16,2011\'1 ernester B. T ech. (C hem ica l E ng ineering), ession 2010-11CII316 In du stria l P ollu tion A ba te m en t (Program Elective VII)

T ime ' I H our M ax . M ark s: 30,lrtempl all question .. 11 1purts o]a q ue st is n: m u st be answe red ot nile place.

l. tsum I S re n r e qu ir e rn er u f or a w a ste w ate r tre atm e nt pl ant hav ing peak flo,", rail' 0160\lLD 01\\3 tewater Follo"in~ values are gi\en.ti) Peak \ elocitv through screens ee 0.8 m 5 (ii ) \ \ idih of e a h re tan ular bar = I cm{Iii Spacing. berwe n bars = : emBars are 10 be placed ai an an I of 60' f rom hor izonta l. Calculate g ro ss a re a o r b ar screen. - \1;0 estimate (h e head 1 0- h when the S reen is (a) clean a nd I b) hair clogged. co

6)o~-water V Io35t ev .- a te r i n t


12/21

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, 1 " II II'IPIII' 1 1 1 " 1 1 1 " " , " , I. " d, I II' d"" "I " I , " " h , 0 1 , / l " .I II" , 0 1 , "I , ,11I I I . , dl' I'rll" '''"1/ dill II' jll II

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(2)

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Malaviy., N,lliunJllnqilul 'chll"lng~ j.,il'"'hernial '"gin ring 0 partrncnrnd Term xami nari 11 - April 29. 2009VI ernester B. Tech. (Chemical Engtucering). ession 2008-0911110 lndustr ial Pnll ut inn Abatcmr-nt

1 irne :> . Iiour vlax. vlarks 7f )Attell1~1 ~Ily five questions. All paris of (I quest ion 1111151 be austoered at 0111' place. AsslilTLeallY IIIlSSlIIg dai a with propel' justificarion. Crapli sheet limy be prouidetl. /., What do y II lind rstand by classification and zoning of water bodies? Write theJI") nomen Iaturc for lass s f freshwater and seawater bodi s as sp dried by the

entral Poilu Lion onrrol Board-of India. Also writ the best designated use for anvtwo classes.

~ (b)(2+3+2=7)

What do you understand by criteria pollutants of ambient air? Write the names ofcriteria poilu rants for ambient air and th categories of areas specified in theNational Ambient Air Quality Standards. (1+4=5)Whal are the full form of the acronyms BPT, BAT, BCT and NPDES used in respectof US legislation on water pollution? ~(c )

(a) How is total organic content of wastewater quantified? Describe the parameters inbrief along with th ir relat ive use and limitations in practice.

Estim te the screm reqtnrern - ()J a wastewater earn ent pRow rate of 40 MLD of wastewater. Following data are given:

(i ) Peak velocity tllrough sere ns = O .S 1 1 1 / (ii) Width of each rectangular bar = ! mrn(iii) Spacing b tween bars =36 rnrn (iv) lncJinahon of bars with vertical --isCompute the required gross area of the bar sere n.. ~ ., .' f t ter? Discuss point-wi e

~"Vhat are the .0=b~t.::e:::.c~ti..:v.::e.::.s;.0:::f_b:J:.::o:.:.lo:::.g!2.1:.;c:.:;a~l..:t,;..re:::.;a:::.;t.;;.lll-::e~oas ewa I. ."" f . bi tr atment ot wastewater?briefly. Und tat can ILionswould yOLlpre er anaero IC IeGive )'our reasons poinl-wise. ~ )3+...y::::-o

. . . I di g of 11000 kg BOD in(b) A single stage Trickling filter is designed for an Olgall1c oa In .'-. . I' .ti of1 The hlter treatS ara~wastewater ~e m. day WIth a re IrCLlallan ra 10 .' 1 ..flow ~D of ra:'" wastewater with a BOD cone ntralion of 23f B11 01gD/'. A e 35'): removal a 11 \Calculate BOD of the emu nt using NR equallon. .5 lim 0the primary clarifier.

.' ,I T r ? Defin and clescri lx'What are flocculent and zone settling III wa t \\ atei call 1(' . . hod?., f d I b 01' Is tlux (lllalysis mel L:briefly. How i size (ar a) of a clarifier olin au Y s 1. I I . ite curves to be drawnDescribe the step-wise method along witn t1 requlsl (2+4=6). col ids flux anal i to thi k _" the Sll.ldgc(b) A thi kener is to be design d USUlg ~ . I I tf wastewater treatment plant. [he c eta r 0obtained ["0111the primary clarifier athe primary clarifi r is as follows:


14/21

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(b )w e )(4)

6. ( 1 1 ) Give short answers to the following:/ (I) Arrange the names of following a ti IP 1 cu ate control ecui .then decreasing efficiency for c 1 1 . quipment m order ofG . . 0 ection of fine parti I f. ravitv settling chamber, Tra s li ~ Ices rom gases:filters. /'-' Y ett mg chamber, Cyclones, and Bag

..fu.)""iii) vvhat are the drawbacks of vve l c Hectors?With U1crease in LID . t' .\ " I I a 10 111 cyclones parti I II' .~ uccreas 's or inci cases? ' (I C e co echon efficiency~ (iv) I"'rilcc the following 1 > l .< = t : Revers 0 . 11(,m ~r(IIPs 111decreasing pore size: f\ licrofiltration.

~ t>1l10S1S, Nanotiltration. Ultrafiltration,~ (b) Wille short n 1 f (2'-1=8), (I) Mcthods-ef- 0'7 ~ ci)R;- -....... 'If~tl n ofs I d

\~ \ , I ernoval ofl1eavy nlelals ( 1 0 m\\'ast~\\~~~les and methods of land filling

(3x~=6)

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15/21

.arne: __ ~.:....._ _ Student Ld _,\ta L a \ ija ~ational Institu te ofTecbnolo~ Jai ur -

Chemical Engineerin DepartmentEnd Term Evarnina tinn - \la\ 3.20Yl ernester B.Tech. (Chemical Enginee;mg). 5 ion _CH310 l.ndustrial Pollution Abatement

Time: 3 Hour ';_ tar _ -_+ttempt allY five questions. All parts of a question I1UlSt be answered at one place. 4s:ulIne a1l_missin 0data with proper JustificationI. (a What do you unde rand b~ph y s: al parameters ofwa.er? \ri:e ames 0; a;-~parameters and one method for each 0remov e em.

(b What are environmental legisla ions? Wr)~pertaining 0 India anJ!_L along with the as~

Give short answers to the following:l~ What do you understand b~ i Ii g emLSIQ sircrc~o- LIO ::

I . . . ( is What i- the meaning of mass ernissio: 5 ndards f r jr.j_s;ri~~L k f i i What are hot and old driv ing ~ les for autem oi'es?\Jf~-) Whi h household a -i\ ities reduce gre~water" ~N.am e anv four organic herni a l consri rents ofwaste ~ :e~ .~ ~ame any tour inor~ni- herni al. ara~~ters 0:' con z e . . ; ; ) vzs;etJ . j s , th n.nn S fit: "-,IIP net ts. ,


16/21

(C IA Ira, senlinl! chamber I;; desIgned to col e ~ , pandes 0,- 6C .im i i: : . . .. : :: : :: : : .- ,: : = . ' - ~ ' - ~ -d e ns :l \ f ro rn a t r e a r n of I ~ m 5 -f a .r. T he S e l l i'1i; cr.a rr.ae rs ;. j< f . 3 .: " '. 2 " ;' : ; : - : : : . - ::e a ch a nd It h as 9 t ra y s i nc lu d in g bottom sur fa ce . _ -\SS Jf fi tr .g n.rruler ; :1 ' : '' ''. . : .-j = : ~ ; ' : ~be applicable. calculate the length of set! Irg chainber reqt, r .: .:! ,00 .1' :.1 e\ e C - - ':0e fticle nc~ \ iSCOSI[: of air m ay be ta .en as I 1 '\ I 0-' .g rn.s.

. .!-3-_:-.3=1.!******


17/21

(6)

'>tudent Id:\faJaviya a~onal rn~tjtute of rechnology JaipurChemical f:ngmeering Department

, End Term E:xamination - April 10,2010\ r SL~lL;;ter 11.r ech. (O.euucal Engin~ermg), Se ion 2009-10CH310 Industrial Pollution AbatementTime: 3 Hour

Att t r: t i II Ma)(.\ilarks:70elllp (HlY J w e '1 11 1'5 lOllS. A paris o f a 'll1 eslio ll 1 11 11 ),alJll~ ,,( JI'.Il'lId r


18/21

d I dge process treatment plant. lor a conventional I',-.. ;-.nc'-, (~,~(l1Irlr;11~ in d II""kin:: \\,'liL'r 1"!'plii..l.lH)I)~ J!h. r.....n1l)\:'I1l'''tlll1hllll-H:.

h r\,I2[)li-j/"()l1L 1-, I 1 H L hOlds { . .. .1 w , i\ . It'C'. tl'\':'ql ,1 i.. ~"I'_1t('d IH!I:'.L1I .lwater rec\JiJ111l1i1(inn.

.. Package:.! ",','clr('~L'ti~ preLij it. lilf.d Occurrvuo _/ b"'I~N5 tlnd lei1\.-hrltl' in l.u d(ills.

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19/21

a.ue: Student Id~ lalaviva lati nal In titute of Te hi' ----_. c no ogy [ai pu rhem] al Engineering DepartmentEnd Term Examination - May 06, 2011VI emester B. Tech. (Chemica] Engineering), Se ion 2010-11

CH316 lndu trial Pollution AbatementTime: _ Hour IlksAttempt Illly five questions. All parts of a question must be a llsw ere d a t 0 re I ar : 60. . d . J . II pace. s wileIlIly fill.SillS Ilta {('It I proper lit tification.1. \ rite th title f any five acts pertaining t environmental legislation with year,whi h have been pr mulgated by Govt. of india. Discu very briefly as to Y\'hat

aspects th e ac t cover individually.(3

(b) "'hat do :.'Ouunderstand by criteria pollutants of ambient air? Write the names ofcri teria pollutants for ambient air. \ \ ri te the names of pollutants of ambient air andcategorie of areas specified in the Jational Ambient Air Quality Standard ofIndia notified in N vernber _009.

a

(6-1=7)Give hort answer to the following:(i) \\ 'hat are refractory organics in wa tewater? Briefly describe and gi\ 'etvv examples,(ii) In what different forms nitrogen may be present in wastewater? :\I~Owrite the name of forms represented by Total Kjeldahl itrogen (T10J), (3"-!=6w

(1.5\-i= )(a) .~" a tew ater treatment plant is to be de igned to treat muni ipal \ \'aste\ \ater. The

data available are a follow :(i) Flow rate of influent wa tewater =100 m3 d(ii) Influent BOD = _00 mg/L(iii De ired effluent BOD = _5 mgl L(iv) De ygenati n constant = 0,16 d-l

Compute th volume 01 bioreactor requir d to tr at the wa te,,'ater for the f liowing typesof rea tors as uming that BOD degradation foil \\'5 first order kineti

Conrinuou I)' tined Tank reactorPlug Flow r a tor ~:.5\::=5)

(b) A two stag trickling filter i to be designed for a total" lume of n 0 m3. Eachtag ha half th volurn f total. The circul ti n rati f rea h 3tage i to be taJ...ena 1.2. The filter i t tr t a wa tewater flow of -i ILD h ving a B D value of::2mg/L. alcular tile B D at th treated ftluent as liming that :'5'" 0 B D is

fom1ula may be u d.ontd ..,:!


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Industrail Pollution Abatment