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Co-gasification of different rank coals with biomass and petroleum coke in a high-pressure reactor for H2-rich gas production

AutorFermoso Domínguez, Javier ; Arias Rozada, Borja ; Gil Matellanes, María Victoria ; González Plaza, Marta ; Pevida García, Covadonga ; Pis Martínez, José Juan ; Rubiera González, Fernando
Palabras claveCo-gasification
Biomass
Coal
Hydrogen
High-pressure
Fecha de publicaciónmay-2010
EditorElsevier
CitaciónBioresource Technology 101(9): 3230-3235 (2010)
ResumenFour coals of different rank were gasified, using a steam/oxygen mixture as gasifying agent, at atmospheric and elevated pressure in a fixed bed reactor fitted with a solids feeding system in continuous mode. Independently of coal rank, an increase in gasification pressure led to a decrease in H2 + CO production and carbon conversion. Gasification of the different rank coals revealed that the higher the carbon content and reactivity, the greater the hydrogen production. Co-gasification experiments of binary (coal–biomass) and ternary blends (coal–petcoke–biomass) were conducted at high pressure to study possible synergetic effects. Interactions between the blend components were found to modify the gas production. An improvement in hydrogen production and cold gas efficiency was achieved when the coal was gasified with biomass.
Versión del editorhttp://dx.doi.org/10.1016/j.biortech.2009.12.035
URIhttp://hdl.handle.net/10261/102943
DOI10.1016/j.biortech.2009.12.035
ISSN0960-8524
E-ISSN1873-2976
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