| 简介 |
Process of Catalytic Deoxygenation of Coal mine methane in Oxygen-Containing Environment Abs act of the Disclosure Deoxygenation catalyst for coal mine methane, its preparation method and application in catalytic deoxygenation of coal mine methane in oxygen-containing environment. The catalyst coniprises a first composition serving as the active content and a second composition serving as the additive. The first composition consists of one or more platinum group noble metals selecting from the group consisting ofPd, Pt, Ru, Rh and lr. The second composition consists of one or more alkaline metals or alkaline earth metals selected from the group consisting ofNa 2 0, K 2 0, gO, CaO, SrO and BaO; CeO 2 and lanthanides rare earth metals such as Pr, d, Sm, Eu, Gd, etc.; and/or transition metals such as Y, Zr, La, etc.; and/or AI 2 0 3 oxides complexes. Said catalyst can effectively eliminate the oscillatory behavior during catalytic combustion under oxyen-lean condition. When said catalyst is applied in the catalytic deoxygenation process of the present invention, 1 to 15% of oxygen in coal mine methane can be effectively removed and a percentage yield of methane which approximately equals to the theoretical percentage yield obtained under the assumption of complete conversion of methane and oxygen can be achieved. |
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