Biomass gasification in microwave plasma: An experimental feasibility study with a side stream from a fermentation reactor

Evangelos Delikonstantis, Guido Sturm, Andrzej I. Stankiewicz, Anouk Bosmans, Marco Scapinello, Christian Dreiser, Oliver Lade, Stefan Brand, Georgios D. Stefanidis

Research output: Contribution to journalArticleScientificpeer-review

7 Citations (Scopus)
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Abstract

In this work, we report on air/N2 gasification of a byproduct stream from an industrial fermenter in a tubular microwave plasma reactor to investigate the feasibility of the technology for organic compounds valorization, given the limited number of relevant works in the literature. In this context, an operating window regarding air/N2/biomass flow rates and power input has been identified to enable stable and efficient operation. Up to 89% carbon conversion efficiency and 41% cold gas efficiency have been attained with syngas product composition H2:CO:CO2 = 41:53:6 on molar basis, fairly close to the calculated equilibrium composition values in the temperature range 973 K to 2173 K.

Original languageEnglish
Article number107538
Number of pages5
JournalChemical Engineering and Processing - Process Intensification
Volume141
DOIs
Publication statusPublished - 2019

Keywords

  • Biomass
  • Circular economy
  • Gasification
  • Microwave plasma
  • Syngas

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