Method for Preparing Synthetic Natural Gas
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United States of America Patent
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Issued Date -
Jan 16, 2014
app pub date -
Dec 27, 2011
filing date -
Dec 28, 2010
priority date (Note) -
Abandoned
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Abstract
A method for preparing synthetic natural gas (SNG) is provided. More particularly, a method for preparing synthetic natural gas is provided, in which synthetic gas generated after fuel gasification and dust collection is subjected to a first methane synthesis reaction; only part of the gas is subjected to a water gas shift reaction and the remaining gas bypasses; the mixed gas prepared by mixing the gas passed through the water gas shift reaction and the gas bypassing the water gas shift reaction is subjected to a second methane synthesis reaction; and thereby heat of the methane synthesis reaction can be controlled and catalyst life can be lengthened.
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