Ru负载石墨烯催化对氯硝基苯加氢的研究
Applied Chemical Industry(2012)
Abstract
采用改进石墨氧化法制备了氧化石墨,用NaBH4还原氧化,得到石墨烯(GP),再采用浸渍法制备了Ru/GP催化剂,用于对氯硝基苯(p-CNB)加氢制对氯苯胺(p-CAN)。考察了加氢压力、溶剂体积、溶剂比例、不同溶剂等对p-CNB转化率和p-CAN选择性的影响。结果表明,当反应温度为60℃,加氢压力为4.0 MPa,反应时间为2 h时,对氯硝基苯转化率可达100.0%,对氯苯胺选择性为94.8%。
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Key words
Ru,p-choronitrobenzen hydrogenation,graphene,p-CAN
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