催化加氢法制3,4-二氯苯胺的工艺研究
Study on preparation of 3,4-dichloroaniline by catalytic hydrogenation
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Abstract: OBJECTIVE To optimize the process of catalytic hydrogenation of 3,4-dichloronitrobenzene.METHODS Did serial comparative experiments according to the selected main interacting factors,such as temperature,pressure,dose of catalyst,volume of solvent,and reac