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  • Englund, Johanna,1988Chalmers tekniska högskola,Chalmers University of Technology,Chalmers Univ Technol, Competence Ctr Catalysis, Dept Chem & Chem Engn, S-41296 Gothenburg, Sweden. (author)

Deactivation of a Vanadium-Based SCR Catalyst Used in a Biogas-Powered Euro VI Heavy-Duty Engine Installation

  • Article/chapterEnglish2020

Publisher, publication year, extent ...

  • 2020-05-16
  • MDPI AG,2020
  • electronicrdacarrier

Numbers

  • LIBRIS-ID:oai:research.chalmers.se:eb5c1040-d191-4cc1-8db6-fc518898c90b
  • https://research.chalmers.se/publication/518090URI
  • https://doi.org/10.3390/catal10050552DOI
  • https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-278790URI

Supplementary language notes

  • Language:English
  • Summary in:English

Part of subdatabase

Classification

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

Notes

  • QC 20200729
  • We have investigated how the exhaust gases from a heavy-duty Euro VI engine, powered with biogas impact a vanadium-based selective catalytic reduction (SCR) catalyst in terms of performance. A full Euro VI emission control system was used and the accumulation of catalyst poisons from the combustion was investigated for the up-stream particulate filter as well as the SCR catalyst. The NO(x)reduction performance in terms of standard, fast and NO2-rich SCR was evaluated before and after exposure to exhaust from a biogas-powered engine for 900 h. The SCR catalyst retains a significant part of its activity towards NO(x)reduction after exposure to biogas exhaust, likely due to capture of catalyst poisons on the up-stream components where the deactivation of the oxidation catalyst is especially profound. At lower temperatures some deactivation of the first part of the SCR catalyst was observed which could be explained by a considerably higher surface V4+/V(5+)ratio for this sample compared to the other samples. The higher value indicates that the reoxidation of V(4+)to V(5+)is partially hindered, blocking the redox cycle for parts of the active sites.

Subject headings and genre

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

  • Dahlin, SandraKTH,Processteknologi,Kungliga Tekniska Högskolan (KTH),Royal Institute of Technology (KTH)(Swepub:kth)u1k6111x (author)
  • Schaefer, Andreas,1981Chalmers tekniska högskola,Chalmers University of Technology,Chalmers Univ Technol, Competence Ctr Catalysis, Dept Chem & Chem Engn, S-41296 Gothenburg, Sweden.(Swepub:cth)andscha (author)
  • Xie, KunpengVolvo Group,Volvo Grp Trucks Technol, S-41258 Gothenburg, Sweden. (author)
  • Andersson, LennartVolvo Group,Volvo Grp Trucks Technol, S-41258 Gothenburg, Sweden. (author)
  • Shwan, SoranVolvo Group,Volvo Grp Trucks Technol, S-41258 Gothenburg, Sweden. (author)
  • Carlsson, Per-Anders,1972Chalmers tekniska högskola,Chalmers University of Technology,Chalmers Univ Technol, Competence Ctr Catalysis, Dept Chem & Chem Engn, S-41296 Gothenburg, Sweden.(Swepub:cth)perc (author)
  • Pettersson, LarsKTH,Processteknologi,Kungliga Tekniska Högskolan (KTH),Royal Institute of Technology (KTH)(Swepub:kth)u1kcgmtv (author)
  • Skoglundh, Magnus,1965Chalmers tekniska högskola,Chalmers University of Technology,Chalmers Univ Technol, Competence Ctr Catalysis, Dept Chem & Chem Engn, S-41296 Gothenburg, Sweden.(Swepub:cth)skoglund (author)
  • Chalmers tekniska högskolaChalmers Univ Technol, Competence Ctr Catalysis, Dept Chem & Chem Engn, S-41296 Gothenburg, Sweden. (creator_code:org_t)

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  • In:Catalysts: MDPI AG10:52073-4344

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