Supplemental fuel to combustor of dual fluidized bed gasifier
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United States of America Patent
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Feb 16, 2016
Grant Date -
Jun 27, 2013
app pub date -
Oct 26, 2012
filing date -
Dec 21, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
A method of gasification by introducing a feed material to be subjected to gasification into a dual fluidized bed gasifier comprising a pyrolyzer fluidly connected with a combustor such that a circulation stream comprising a heat transfer material can be continuously circulated between the pyrolyzer, in which the temperature of the circulation stream is reduced, and the combustor, in which the temperature of the circulation stream is increased, wherein the pyrolyzer is operable to convert at least a portion of the feed material into a gasifier product gas comprising hydrogen and carbon monoxide, and wherein the combustor is operable to increase the temperature of the circulation stream via combustion of char introduced thereto with the circulation stream and at least one supplemental fuel. A system for carrying out the method is also provided.
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International Classification(s)
- C01B:NON-METALLIC ELEMENTS; COMPOUNDS THEREOF
- C10K:PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF....
- C10J:PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS G....
- C10G:CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HY....
- F23C:METHODS OR APPARATUS FOR COMBUSTION USING FLUENT F....
- C10B:DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS....
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