Microwave-assisted pyrolysis of Mississippi coal: A comparative study with conventional pyrolysis

Pyrolysis conditions greatly affect the structure-reactivity relationship of char during coal gasification. This work investigated the effect of temperature and microwave heating on the structural properties of the chars generated during pyrolysis, as well as gaseous and tar products. Results showed...

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Bibliographic Details
Published in:Fuel (Guildford) 2018-04, Vol.217 (C), p.656-667
Main Authors: Abdelsayed, Victor, Shekhawat, Dushyant, Smith, Mark W., Link, Dirk, Stiegman, Albert E.
Format: Article
Language:English
Subjects:
01 COAL, LIGNITE, AND PEAT
Char properties
Coal
Combustion reactivity
Comparative analysis
Comparative studies
Computer simulation
Experimental research
Gravity
Groundwater flow
INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
Lignite coal
Low rank coal
Mathematical models
Microwave pyrolysis
Microwaves
Mobility
Oil recovery
Oil sands
Pyrolysis
Steam
Tar yield
Two dimensional models
Water distribution
Water engineering
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Summary:Pyrolysis conditions greatly affect the structure-reactivity relationship of char during coal gasification. This work investigated the effect of temperature and microwave heating on the structural properties of the chars generated during pyrolysis, as well as gaseous and tar products. Results showed that microwave pyrolysis of Mississippi coal produced more gaseous products and less tars compared to conventional pyrolysis. Higher CO/CO2 ratio (>1) was observed under microwave pyrolysis compared to conventional pyrolysis (CO/CO2 
ISSN:0016-2361
1873-7153
DOI:10.1016/j.fuel.2017.12.099