Oxidative coupling of methane over Na-Mn-W/SiO2 catalyst at higher pressure |
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| Authors: | Lingjun Chou Yingchun Cai Bing Zhang Jianzhong Niu Shengfu Ji and Shuben Li |
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| Institution: | (1) State Key Laboratory for Oxo Synthesis and Selective Oxidation, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, 730000, P.R.China |
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| Abstract: | Na-Mn-W/SiO2 catalysts were prepared and their catalytic performance for oxidative coupling of methane (OCM) was evaluated in a stainless-steel microreactor at elevated pressure. The results show that a CH4 conversion of 15.1% with a C2+ selectivity of 71.8% was obtained under 750oC, 1.0×105h-1 GHSV, CH4/O2 ratio of 8 and 1.0 MPa. Moreover, 17.3% CH4 conversion with 51.6% C2 selectivity and 23.6% C3-C4 selectivity was obtained under 750oC, 2.0×105h-1 GHSV, CH4/O2 ratio of 8 and 1.0 MPa. |
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| Keywords: | OCM effect of pressure Na-W-Mn/SiO2 catalyst |
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