"TAR REMOVAL FOR BIOMASS GASIFICATION SYSTEMS"

The disclosed embodiments provide systems for the removal and use of tar from a biomass gasification system (10, 12). For example, in one embodiment, a biomass gasification system (10, 12) includes a reactor (26) configured to gasify a biomass fuel (22) in the presence of air (24) to generate a prod...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	DEPUY, RICHARD ANTHONY, MALL, OMPRAKASH
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR RELEVANT APPARATUS TRANSPORTING
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Beschreibung
Zusammenfassung:	The disclosed embodiments provide systems for the removal and use of tar from a biomass gasification system (10, 12). For example, in one embodiment, a biomass gasification system (10, 12) includes a reactor (26) configured to gasify a biomass fuel (22) in the presence of air (24) to generate a producer gas (34). The system also includes an absorber (52, 132) configured to receive a mixture of the producer gas and tar (42, 48) and to absorb the tar into an organic solvent (58) to produce treated producer gas (66)and a rich solvent mixture (62) containing at least a portion of the tar. The system further includes a recycle line (64, 120, 168, 182) configured to direct the rich solvent mixture (62) to a biomass gasifier (26).