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The method of removing the low concentration methane and low concentration methane removal device
The method of removing the low concentration methane and low concentration methane removal device
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机译:低浓度甲烷的去除方法及低浓度甲烷的去除装置
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摘要
PROBLEM TO BE SOLVED: To provide a method and an apparatus for removing methane capable of securing a sufficient removal performance of methane even if sulfur compounds coexist in gases and obtaining a stable removal performance of methane for a long time without deteriorating the performance even if the methane concentration largely fluctuates, when methane is removed from the gas containing a low concentration methane that is never within an inflammable range even if it is mixed with air at any rate.;SOLUTION: After the gas is preheated with a heat exchanger, methane is allowed to pass through an oxidation catalyst that catalytically oxidates methane, the gas is again allowed to pass through the heat exchanger to recover heat by exchanging heat with the gas before the chemical reaction, and the amount of the gas to be treated is allowed to vary in response to the methane concentration in the treated gas.;COPYRIGHT: (C)2011,JPO&INPIT
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