Higher alcohol synthesis has been attractive issue in C1 chemistry field due to its potential application as an alternative clear energy and raw material for chemical engineering in the past 30 years. Generally, the catalysts for higher alcohol synthesis via CO hydrogenation can be classified as two broad categories: modified methanol synthesis catalysts and modified Fischer-Tropsch (F-T) synthesis catalysts. The latter has attracted more attention resulted from its favorable selectivity to C~(2+)OH and relatively mild reaction condition [1]. Nevertheless, no substantial improvements in the overall performance have been noticed, and both selectivity towards total alcohols or C~(2+)OH and productivity have been still the major obstacle for further R & D. Recently, an efficient Cu-based catalyst modified by F-T synthesis elements had been developed in this group [2]. Especially, Cu-Fe based catalyst displayed excellent catalytic performance even at mild operational conditions [3].
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