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  • Lyckeskog, Huyen,1985Chalmers tekniska högskola,Chalmers University of Technology (author)

Catalytic depolymerisation and conversion of Kraft lignin into liquid products using near-critical water

  • Article/chapterEnglish2014

Publisher, publication year, extent ...

  • Elsevier BV,2014
  • electronicrdacarrier

Numbers

  • LIBRIS-ID:oai:research.chalmers.se:db3ca1e3-00fb-4516-bfaa-5482b0d38010
  • https://doi.org/10.1016/j.supflu.2013.11.022DOI
  • https://research.chalmers.se/publication/195936URI

Supplementary language notes

  • Language:English
  • Summary in:English

Part of subdatabase

Classification

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

Notes

  • A high-pressure pilot plant was developed to study the conversion of LignoBoost Kraft lignin into bio-oil and chemicals in near-critical water (350◦C, 25 MPa). The conversion takes place in a continuous fixed-bed catalytic reactor (500 cm3) filled with ZrO2 pellets. Lignin (mass fraction of approximately 5.5%) is dispersed in an aqueous solution containing K2CO3(from 0.4% to 2.2%) and phenol (approximately 4.1%).The feed flow rate is 1 kg/h (reactor residence time 11 min) and the reaction mixture is recirculated internally at a rate of approximately 10 kg/h. The products consist of an aqueous phase, containing phenolic chemicals, and a bio-oil, showing an increased heat value (32 MJ/kg) with respect to the lignin feed. The 1-ring aromatic compounds produced in the process are mainly anisoles, alkylphenols, guaiacols and catechols: their overall yield increases from 17% to 27% (dry lignin basis) as K2CO3 is increased.

Subject headings and genre

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

  • Maschietti, Marco,1974Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)marcom (author)
  • Belkheiri, Tallal,1985Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)btallal (author)
  • Åmand, Lars-Erik,1957Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)leam (author)
  • Theliander, Hans,1956Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)hanst (author)
  • Vamling, Lennart,1954Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)lennartv (author)
  • Olausson, Lars,1945Metso power AB(Swepub:cth)laol (author)
  • Andersson, Sven-Ingvar,1943Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)sianders (author)
  • Chalmers tekniska högskolaMetso power AB (creator_code:org_t)

Related titles

  • In:Journal of Supercritical Fluids: Elsevier BV86, s. 67-750896-8446

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