Producing of 1,3-butadiene from ethanol can replace and replenish the petroleum production route to relieve the pressure caused by the consumption of petroleum resources. The production mechanism of 1,3-butadiene from ethanol was introduced,and the research progress on one-step and two-step methods was discussed respectively. Meanwhile, the existing problems in the process of ethanol preparation of 1,3-butadiene were summarized,and the feasible research direction was put forward.
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