Biomass gasification in microwave plasma
An experimental feasibility study with a side stream from a fermentation reactor
Evangelos Delikonstantis (Katholieke Universiteit Leuven)
GSJ Sturm (TU Delft - Intensified Reaction and Separation Systems)
AI Stankiewicz (TU Delft - Intensified Reaction and Separation Systems)
Anouk Bosmans (Katholieke Universiteit Leuven)
Marco Scapinello (Katholieke Universiteit Leuven)
Christian Dreiser (Group Process Technology)
Oliver Lade (Group Process Technology)
Stefan Brand (Group Process Technology)
Georgios D. Stefanidis (TU Delft - Intensified Reaction and Separation Systems, Katholieke Universiteit Leuven)
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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.
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