阅读说明：本技术 方法 (Method ) 是由 B·J·丹尼斯-史密瑟斯 J·G·森利 杨志强 于 2019-02-22 设计创作，主要内容包括：在催化剂和促进剂的存在下将甲醇脱水成二甲醚产物的方法,其中所述催化剂是至少一种铝硅酸盐沸石,且所述促进剂选自一种或更多种式I化合物：(I)其中X以及任何或所有的Y各自可独立地选自氢、卤素、取代或未取代的烃基取代基、或式-CHO、-CO-(2)R、-COR或-OR的化合物,其中R是氢或取代或未取代的烃基取代基,且其中将促进剂与甲醇的摩尔比保持在小于1。(I)。(A process for the dehydration of methanol to a product of dimethyl ether in the presence of a catalyst and a promoter, wherein the catalyst is at least one aluminosilicate zeolite and the promoter is selected from one or more compounds of formula I: (I) wherein X and any or all of Y may each be independently selected from hydrogen, halogen, substituted or unsubstituted hydrocarbyl substituents, or of the formula-CHO, -CO 2 R, -COR OR-OR, wherein R is hydrogen OR a substituted OR unsubstituted hydrocarbyl substituent, and wherein the molar ratio of promoter to methanol is maintained at less than 1.)