7/25/2019 Abstract - LCA of Biomass Gasification Prodcuts

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Life Cycle Assessment of Dierent End Use of Biomass GasicationProducts in Port of Rotterdam

Abstract

Port of Rotterdam (POR ser!es as t"e ener#y "ub of Euro$e% &"erea "u#e 'uantity of oil and coal are recei!ed and con!erted into electricity%fuels% and c"emical $roducts by !arious $lants in t"e $ort area )"e Dutc"#o!ernment "as set an ambitious tar#et to increase t"e s"are ofrene&able resources in t"e national ener#y mi* to +,- by ././ 0oodybiomass s"o&s t"e $otential as sustainable ener#y feedstoc1 2ence t"isstudy e!aluates t"e en!ironmental im$acts of dierent utili3ation $at" ofbio4syn#as $roduced from forest residues as ener#y carrier 5yn#ascon!ersion into synt"etic natural #as (56G and $ure "ydro#en are c"osenconsiderin# t"e e*istin# infrastructure in POR )orreed and non4torreed&ood $ellets are studied to c"ec1 t"e eect of dierent $retreatment$rocesses on t"e en!ironmental $erformance of t"e biofuels Com$arison&it" t"e fossil4based natural #as as reference case is also conducted )"e

e!aluation is carried out usin# Life Cycle Assessment &it" C7LCA soft&are&it" cradle to #ra!e a$$roac" )"e data for #asication is scaled u$ frome*$erimental results carried out in Process and Ener#y )U Delft Ecoin!ent./ database is used for t"e bac1#round $rocesses )"e climate c"an#e%eutro$"ication% and acidication $otential are selected as t"een!ironmental im$acts to be considered )"e 56G $roduction s"o&s betteren!ironmental $erformance in terms of climate c"an#e $otentialcom$ared &it" t"e "ydro#en $roduction )"e syn#as cleanin# $"ase is t"ebi##est CO.e'emitter for bot" routes &it" contribution ran#in# from 8/ to9/- o!er t"e &"ole life cycle of 56G and 2. Biomass stora#e is t"esecond bi##est #reen "ouse #ases emitter due to t"e release of C2:and6.O &it" contribution ran#in# from +8 to :/- de$endin# on t"e stora#eduration )"us t"e source of electricity for con!ersion $rocesses and t"e$eriod of biomass stora#e are t"e $arameters mostly aectin# t"een!ironmental $erformance of forest residues as ener#y resource )"ere isno notable dierence on t"e results due to t"e torrefaction of t"e biomassfeedstoc1 Com$ared &it" t"e natural #as reference case &it" 89, 1# CO .4e' climate c"an#e $otential% t"e bio456G and bio42. e*"ibit &orse$erformance in all t"ree im$act cate#ories studied e!en in t"e best4casescenario &it" climate c"an#e $otential of ,8, 1# CO.4e' as &ell as t"eeutro$"ication $otential and acidication $otential of t&o times and t"reetimes "i#"er res$ecti!ely ;t is concluded t"at 56G and 2. $roductionsfrom bio4syn#as still need im$ro!ement on some $rocess $arameters in

order to be !iable alternati!es for t"e natural #as and "ydro#en #rid inPOR in terms of en!ironmental $erformance