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  • Carvalho, LaraLuleå tekniska universitet,Energivetenskap,Luleå University of Technology, Sweden (author)

Alkali enhanced biomass gasification with in situ S capture and a novel syngas cleaning : Part 2: Techno-economic analysis

  • Article/chapterEnglish2018

Publisher, publication year, extent ...

  • Elsevier,2018
  • printrdacarrier

Numbers

  • LIBRIS-ID:oai:DiVA.org:ltu-68206
  • https://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-68206URI
  • https://doi.org/10.1016/j.energy.2018.09.159DOI
  • https://urn.kb.se/resolve?urn=urn:nbn:se:ri:diva-36404URI

Supplementary language notes

  • Language:English
  • Summary in:English

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  • Subject category:ref swepub-contenttype
  • Subject category:art swepub-publicationtype

Notes

  • Validerad;2018;Nivå 2;2018-12-03 (johcin)
  • Funding details: Energimyndigheten, 43203-1; Funding details: Energimyndigheten, Bio4Energy;
  • Previous research has shown that alkali addition has operational advantages in entrained flow biomass gasification and allows for capture of up to 90% of the biomass sulfur in the slag phase. The resultant low-sulfur content syngas can create new possibilities for syngas cleaning processes. The aim was to assess the techno-economic performance of biofuel production via gasification of alkali impregnated biomass using a novel gas cleaning systemcomprised of (i) entrained flow catalytic gasification with in situ sulfur removal, (ii) further sulfur removal using a zinc bed, (iii) tar removal using a carbon filter, and (iv) CO2 reductionwith zeolite membranes, in comparison to the expensive acid gas removal system (Rectisol technology). The results show that alkali impregnation increases methanol productionallowing for selling prices similar to biofuel production from non-impregnated biomass. It was concluded that the methanol production using the novel cleaning system is comparable to the Rectisol technology in terms of energy efficiency, while showing an economic advantagederived from a methanol selling price reduction of 2–6 €/MWh. The results showed a high level of robustness to changes related to prices and operation. Methanol selling prices could be further reduced by choosing low sulfur content feedstocks.

Subject headings and genre

Added entries (persons, corporate bodies, meetings, titles ...)

  • Furusjö, Erik,1972-Luleå tekniska universitet,Energivetenskap,IVL – Swedish Environmental Institute, Stockholm, Sweden,Luleå University of Technology, Sweden; IVL Swedish Environmental Institute, Sweden(Swepub:ri)erikfu@ri.se (author)
  • Ma, ChunyanLuleå tekniska universitet,Energivetenskap,Luleå University of Technology, Sweden(Swepub:ltu)chumar (author)
  • Ji, XiaoyanLuleå tekniska universitet,Energivetenskap,Luleå University of Technology, Sweden(Swepub:ltu)xiajix (author)
  • Lundgren, JoakimLuleå tekniska universitet,Energivetenskap,International Institute for Applied Systems Analysis (IIASA), Laxenburg, Austria,Luleå University of Technology, Sweden; IIASA International Institute for Applied Systems Analysis, Austria(Swepub:ltu)joakim (author)
  • Hedlund, JonasLuleå tekniska universitet,Kemiteknik,Luleå University of Technology, Sweden(Swepub:ltu)johe (author)
  • Grahn, MattiasLuleå tekniska universitet,Kemiteknik,Luleå University of Technology, Sweden(Swepub:ltu)magr (author)
  • Öhrman, Olov G. W.RISE,ETC Energy Technology Center,IVL – Swedish Environmental Institute, Stockholm, Sweden;RISE Energy Technology Center AB, Piteå, Sweden (author)
  • Wetterlund, Elisabeth,1978-Luleå tekniska universitet,Energivetenskap,International Institute for Applied Systems Analysis (IIASA), Laxenburg, Austria,Luleå University of Technology, Sweden;IIASA International Institute for Applied Systems Analysis, Austria(Swepub:ltu)eliwet (author)
  • Luleå tekniska universitetEnergivetenskap (creator_code:org_t)

Related titles

  • In:Energy: Elsevier165:Part B, s. 471-4820360-54421873-6785

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