煤炭工程 ›› 2015, Vol. 47 ›› Issue (3): 126-128.doi: 10.11799/ce201503041

• 研究探讨 • 上一篇    下一篇

羟基自由基氧化降解瓦斯的实验研究

余本胜1,高建良2,3,魏建平4   

  1. 1. 河南理工大学
    2.
    3. 河南理工大学安全科学与工程学院
    4. 河南理工大学 安全技术与工程学院
  • 收稿日期:2014-03-25 修回日期:2014-06-18 出版日期:2015-03-10 发布日期:2015-03-25
  • 通讯作者: 余本胜 E-mail:544108700@qq.com
  • 基金资助:
    国家自然科学基金资助项目;河南省基础与前沿研究资助项目

Experimental Study of Coal-mine Gas Degradation Using Hydroxyl radicals

  • Received:2014-03-25 Revised:2014-06-18 Online:2015-03-10 Published:2015-03-25

摘要: 为了研究羟基自由基氧化降解瓦斯的机理及降解效率,采用氮气作为平衡气混合甲烷标准气模拟矿井瓦斯,根据Fenton试剂氧化反应的自由基链反应的特性,在自制的鼓泡反应器中使气-液两相反应物与氧化剂充分混合发生反应。通过甲烷的浓度变化研究H2O2浓度、Fe2+浓度、初始pH值、反应时间等因素对瓦斯降解率的影响规律。进一步探讨降解瓦斯在生产实践中的实际应用,为矿井瓦斯的绿色治理技术提供重要的参考依据。

关键词: 羟基自由基, 降解, 瓦斯, Fenton试剂, 甲烷

Abstract: In order to study the mechanism and degradation efficiency of hydroxyl radical oxidation of methane,nitrogen-balanced standard methane was used as model feed of coal-mine gas. Based on the free-radicals chain reaction properties of Fenton reagent oxidation, the two-phase reaction of gas-liquid and oxidant were full contact mixed in the self-designed bubbling reactor. through the research on the concentration variation of methane, the effects of H2O2 concentration, Fe2+ concentration, and reaction temperature on methane degradation efficiency were investigated. Therefore, for the further exploration of methane degradation in the practice production and application, important reference for green treatment technology of mine gas was provided.

Key words: hydroxyl radical, degradation, coal-mine gas, Fenton reagent, methane

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