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Methane to Liquid Hydrocarbons over Tungsten-ZSM-5 and Tungsten Loaded Cu/ZSM-5 Catalysts

机译:钨-ZSM-5和负载钨的Cu / ZSM-5催化剂上甲烷转化为液态烃

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摘要

金属包含 ZSM-5 能在甲烷氧化生产高级烃。许多研究人员学习了 HZSM-5 的适用性并且为甲烷变换修改 ZSM-5 到结果仍然导致的液烃,而是他们的研究低变换,低选择和低耐热性。由与钨(W) 装载,修改 HZSM-5 能提高它的热抵抗性能,和高反应温度(800 ??6 号元素碳的化学符号) 没由升华导致 W 部件的损失。与钨和铜(Cu ) 装载 HZSM-5 象 CO2 和 C5+ 选择一样在甲烷变换导致了增长。相反,公司, C2 ¨ C 3 并且 H2O 选择被减少。把甲烷变换成液烃(C5+) 的过程依赖于金属表面积和沸石的酸味。高甲烷变换和 C5+ 选择,和低 H2O 选择在 W/3.0Cu/HZSM 上被获得。给词调音:甲烷;液烃;HZSM-5;W-ZSM-5;
机译:Metal containing ZSM-5 can produce higher hydrocarbons in methane oxidation. Many researchers have studied the applicability of HZSM-5 and modify ZSM-5 for methane conversion to liquid hydrocarbons, but their research results still lead to low conversion, low selectivity and low heat resistance.The modified HZSM-5, by loading with tungsten (W), could enhance its heat resistant performance, and the high reaction temperature (800 ℃) did not lead to a loss of the W component by sublimation. The loading of HZSM-5 with tungsten and copper (Cu) resulted in an increment in the methane conversion as well as CO2 and C5+ selectivities. In contrast, CO, C2-3 and H2O selectivities were reduced. The process of converting methane to liquid hydrocarbons (C5+) was dependent on the metal surface area and the acidity of the zeolite. High methane conversion and C5+ selectivity, and low H2O selectivity are obtained over W/3.0Cu/HZSM.

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