Microwave-driven plasma gasification for biomass waste treatment at miniature scale

Journal article (2016)

Authors

G.S.J. Sturm Intensified Reaction and Separation Systems - Mechanical, Maritime and Materials Engineering
A. Navarrete Muñoz Intensified Reaction and Separation Systems - Mechanical, Maritime and Materials Engineering
P.V. Aravind Energy Technology - Mechanical, Maritime and Materials Engineering
G. Stefanidis Katholieke Universiteit Leuven
Research Group
Intensified Reaction and Separation Systems (Mechanical, Maritime and Materials Engineering) (TU Delft)
Copyright: © 2016 G.S.J. Sturm, A. Navarrete Muñoz, P.V. Aravind, G. Stefanidis
DOI: https://doi.org/10.1109/TPS.2016.2533363
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Published Date

2016

Language

English

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Faculty

Mechanical, Maritime and Materials Engineering

Department

Process and Energy

Research Group

Intensified Reaction and Separation Systems

Abstract

Gasification technology may combine waste treatment with energy generation. Conventional gasification processes are bulky and inflexible. By using an external energy source, in the form of microwave-generated plasma, equipment size may be reduced and flexibility as regards to the feed composition may be increased. This type of gasification may be combined with fuel cell technology to generate electricity for on-site microwave generation. In this paper, we present short gasification experiments with cellulose, as model biomass compound, in air plasma. In order to optimize reaction rates, gasification and plasma generation are combined in the same volume in order to expose the solids to plasma of maximum intensity. The heating value of the fuel gas yield exceeds, up to 84%, the net microwave energy transmitted into the reactor over a range of operating conditions. As the system has not been optimized, in particular regarding residence time, the results give confidence that this concept can eventually be developed into a viable small-scale decentralized gasification technology.