该专利涉及一种用于合成气直接制备二甲醚的催化剂。该催化剂由铜、锌、铝、锆的氧化物和ZSM-5分子筛组成,可有效地将合成气一步直接转化为二甲醚,较好地解决了现有技术中存在的反应温度高、一氧化碳转化率和/或二甲醚选择性不高的问题。/CN101121143,2008-02-13用于合成气直接 This patent relates to a catalyst for the direct synthesis of dimethyl ether from syngas. The catalyst is composed of copper, zinc, aluminum, zirconium oxide and ZSM-5 molecular sieve, which can effectively convert the synthesis gas into dimethyl ether directly in one step, which can better solve the problems of high reaction temperature and high carbon monoxide Conversion and / or DME selectivity is not high. / CN101121143, 2008-02-13 for syngas directly