Gasification method using feedstock comprising gaseous fuel
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United States of America Patent
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Jun 7, 2016
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N/A
app pub date -
Aug 26, 2013
filing date -
Jul 10, 2007
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Abstract
A method for using a downdraft gasifier comprising a housing and a refractory stack contained within the housing. The refractory stack may comprise various sections. Apertures in the sections may be aligned to form multiple columnar cavities. Each columnar cavity may comprise an individual oxidation zone. The method of use may include the steps of placing a feedstock into an upper portion of the refractory stack, measuring the temperature of each columnar cavity, and adjusting the flow of oxygen to a particular columnar cavity to maintain the temperature of the particular columnar cavity within a particular range.
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