Process for converting biomass to produce synthesis gas

Details Process for converting biomass to produce synthesis gas Process for converting biomass to produce synthesis gas

2011-03-08

2011-03-08

Mayes, Melvin C (Department: 1732)

Chemistry of inorganic compounds

Hydrogen or compound thereof

Elemental hydrogen

C423S648100

Reexamination Certificate

active

07901663

ABSTRACT:
The process of the invention concerns a series of steps for preparing a solid lignocellulosic biomass type feed to supply a unit for gasification of that feed.The process employs at least one step for maturing the feed in the presence of a liquid hydrocarbon phase at a temperature in the range 250° C. to 320° C. for a residence time of at least 10 minutes, and milling the solid fragments which have thus been heat-treated in the presence of liquid hydrocarbon to obtain a suspension of solid in the divided form with a characteristic dimension of less than 150 micrometres.The invention also concerns a device for carrying out the process.

REFERENCES:
patent: 2004/0123519 (2004-07-01), Shigehisa et al.
patent: 2005/0097814 (2005-05-01), Sugita et al.
patent: 2005/0256212 (2005-11-01), Norbeck et al.
patent: 2006/0123698 (2006-06-01), Hunt
patent: WO 96/41070 (1996-12-01), None

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