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The method of removing the low concentration methane and low concentration methane removal device

机译:低浓度甲烷的去除方法及低浓度甲烷的去除装置

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
机译:解决的问题:提供一种即使在气体中共存有硫化合物也能够确保足够的甲烷去除性能的甲烷的去除方法和装置,即使在不降低性能的情况下也能长时间稳定地获得甲烷的去除性能。当从含有低浓度甲烷的气体中除去甲烷时,即使浓度与空气以任何速率混合,甲烷浓度也会大幅波动。解决方案:用热交换器对气体进行预热后,使气体通过催化甲烷氧化的氧化催化剂,使气体再次通过热交换器,通过在化学反应之前与气体进行热交换来回收热量,并允许改变待处理气体的量响应处理后气体中甲烷的浓度。;版权所有:(C)2011,日本特许厅&INPIT

著录项

  • 公开/公告号JP5658447B2

    专利类型

  • 公开/公告日2015-01-28

    原文格式PDF

  • 申请/专利权人 大阪瓦斯株式会社;

    申请/专利号JP20090221225

  • 发明设计人 大塚 浩文;

    申请日2009-09-25

  • 分类号B01D53/86;B01J23/46;

  • 国家 JP

  • 入库时间 2022-08-21 15:28:24

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