Upload
vuduong
View
218
Download
0
Embed Size (px)
Citation preview
Biomassgasifica+onThePiracicabaBioSynGasProjectSeptember17,[email protected]
MarketcondiDons Technologychoice Economicviability IPT’spilotplantproposal
2
Brazilenergyconsump+onperyear
106tonequivalentoil
FFVFlexFuelvehicules4
Today’sdifficul+eswithethanolprice
OilpriceevoluDon:ifpriceincreaseconDnues,ethanolstrives
6
Poten+alsugarcaneharvestgrowthgrowth
5%growthperyear
Year
SugarcaneharvestM
t/year
7
SugarcaneBiomasspowerpoten+alin2010
Pth=Mcane.Fbagasse+straw.LHV./8000h
$=(600Mt/year.0,20.17GJ/t.0,277MWh/GJ/8000h/year)=
=70GWth
InstaledcogeneraDoncapacityin2011:3GW
8
NewtechnologiesforabeHeruseofsugarcanebagasseandstraw
Biochemicalroute hydrolysis
Thermochemicalroute Improvementofboilerstechnology GasificaDon
Fluidizedbedtechnology Entrainedflowtechnology
9
Gasifica+on
Gasifica+onisaprocessthatconvertsorganicorfossilbasedcarbonaceousmaterialsintoagasmixtureofcarbonmonoxide,hydrogenandcarbondioxide,calledsynthesisgas,orsyngas.
TheSyngascanbeusedtogenerateelectricalpower,liquidfuelsorchemicals.
10
Maingasifica+onconcepts
150kt/year 1500kt/year
Gasifierconceptsatdiferentscales
Choicedepends:
Whichisthemostadequatescale
Whichproductsaredesired
Scale
AtypicalBraziliansugarcanemillharvests4Mt/yearofsugarcane.
Eachtongives150kgofsugar,140kgofbagasseand60kgofavailablestraw.
So,800ktofdrybiomass/yearisavailable. Itispossibletoenvisionamillwhereallbiomassisgasifiedtoproducepowerandchemicalproducts.
Forthisscale,EntrainedFlowGasificaDonisthebestsoluDon
12
CommercialGaseifica+onplant
13
Whychooseentrainedflowgasifica+on: Largescalecommercialplantsforpetrochemicalwasteand
coalgasificaDonareinusetoday. Qualityofgeneratedgases:lowtarandmethanelevelsdueto
highoperaDngtemperatures(greaterthan1300°C)andhighCOandH2levels.
TheabilitytooperatewithliquidflowsorlowgranulometryparDculatematerials(bio‐oilandtorrifiedgroundedbiomass).
Highpressuresandhighpower. Theabilitytoremovemoltenashes
14
Poten+alforgasifica+onplantsthegreenfieldsofthe2020’s:
5%growthperyear
SugarcaneharvestM
t/year
Technologydevelopment15
Year
550Mtgrowthin10years140newmills
Presentsitua+onofBiomassgasifica+onintheworld
Nocommercialplants Severalpilotplantsandmanytechnologicalchallenges LargeR&Dinvestments:Germany,USA,Sweden, LargecoalgasificaDoncommercialplantsinChina(1Mtcoal/
year),SouthAfricaandUSA
ProjetoChemrec,Suécia ProjetoChoren,Alemanha ProjetoBioTfuel‐França
ComercialCarvão:China
16
17
Economicviability
Swansonetal(2010) Boerrigter(2006)
Biomass CornstoverWoodybiomassfromEuropeanforestchippedanddried
Pre‐treatment Grindinganddryingviasteam
TorrefacDonwithfixedcostof1,5Euro/GJ
Gascleaning Coldgascleaning;SWGS
RecDsol(CAPEX59MUS$2011)
Plantsize(MWth) 389 4.250
Method ASPENPlus&Icarus EngineeringanalogywithaGTLplant
Datafromliterature
18
InvestmentGasificaDonplantsize:800MT/year(100t/h)
19
Stages
Investment(MUS$2011)
Pretreatment 45GasificaDon 60GascleaningandcondiDoning 60
FischerTropschUnit 75
ASU(airseparaDonunit) 45
20MWElectricgeneraDonunit 65
OBL 340
total 690
Scenariosfor2020‐2030
scenario Bagassecost(US$/ton)
Discountrate
Dieselprice2020‐2030(US$/litro)
Op+mist 30 0,08 2,1probable 50 0,10 1,8Pessimist 70 0,12 1,5
20
647MWthgasifica+onplant800mtb/aFTFuelproducBon;Energyefficiency=55%
TCI(MUS$2010) NPV(MUS$) ROI
op+mist 549 786 286%
probable 689 334 114%
pessimist 917 ‐2 ‐1%TCI:TotalCapitalInvestment
21
BrazilianBiosyngasproject
IPT(SãoPauloStateResearchInsDtute)iscoordinaDngaproposaltobuilda500kg/hbiomassgasificaDonpilotplantinPiracicaba(SP)
ObjecDveistobeabletodefinetheConceptualDesignofa800kt/year(100t/h,470MWth)plantin2020,withCAPEXofUS500M
5yearprojectbudgetisUS$40M.
Threeindustrialpartners(Oxiteno,PetrobrasandVale)areinterestedindeveloping,outsidetheproject,thetechnologiesfromgastobiofuels,biochemicalsorElectricalEnergy.
PilotPlantgasifierspecifica+on
2,5MWth,approx.500kgbiomass/hcapacity “flex”:abletogasifypowderorbiooil Oxygenblown noheatrecovery GascomposiDontargets:
80%(CO+H2) <0,5%CH4
<1gtarr/Nm3
<0,5%N2
23
GasificaDonBiomassProcess
Technicalchallenges
Bagassedryingunitdesignchoice BagassetorrefacDonunitdesignchoice Gasifierdesignfor3%ashcontent EarthseparaDonbeforegasifier,tolowerashsilicacontent
Gascleaning
25
Projectstatus 3.5yearsofnegociaDonandplanning
20workshopswithcompaniesandICTsforbusinessstructuring
Partnersformallycommiued
IPnegoDaDonscompleted
Environmentallicencesgranted
BNDESandFINEPapprovalinfinalstages
SaoPauloStateresourcesavailable,tofundPlantBasicDesign
Personnelhiringinprocess
30researchersalreadyinvolved
Resultsfromthemodelingteam
Temperature streamlines
27
TimeChart.
2012 2013 2014 2015 2016 2017
Budget
Pilotplant:Piracicaba
EsalqCTC
Dedini
Cosan
PiracicabaIPTPlant–OldSugarCanePlantinESALQarea
Finalremarks
GasificaDonisanimportantopDonforabeueruseofbagasseinthe2020’s,dependingonoilpriceevoluDon.
EntrainedFlowgasificaDontechnologyisaviablealternaDve.
Nocommercialtechnologyisavailable,soapilotplantisanecessarystep.
TheteamwantstoincenDveBrazilianresearchgroupstojointheeffortandfacethescienDficchallengesthatlaybeforeus.
Partners
PartnerCompanies
Financing