研究指出,基于纳米技术途径合成的催化剂将天然气转化为乙烯,可望成为原油蒸汽裂解的替代方案,原油蒸汽裂解是通常用于生产乙烯的能源密集的工艺,乙烯是世界上最具价值的通用化学品。美国Siluria科技公司的科学家于2010年12月10日宣布,开发出了一种合成方法,该方法可调整催化剂表面的形态学,从而可在低温下使甲烷氧化偶联(OCM)反应具有高的性能。工业上可行的OCM方法已探索了好几十年,但过去的努力均未成功,这是由于使甲烷活化需要的高温降低了反应的选择性。采用以前研究过的许多催化剂,甲基自由基团在转化为所需的乙烯产品之前,就滞留在催 It is pointed out that the catalysts synthesized based on the nanotechnology approach convert natural gas to ethylene and are expected to become an alternative to the steam cracking of crude oil. Steam cracking of crude oil is an energy intensive process commonly used for the production of ethylene. Ethylene is the world’s most valuable general purpose Chemicals. Scientists at Siluria Technologies Inc. of the United States announced on December 10, 2010 that they have developed a synthesis method that allows the morphology of the catalyst surface to be adjusted so that the methane oxidative coupling (OCM) reaction can have a high performance. The industrially viable OCM method has been explored for decades but none of the past efforts have been successful due to the reaction selectivity being lowered by the high temperatures required to activate methane. With many of the catalysts previously studied, the methyl radicals remain in the catalyst until they are converted to the desired ethylene product