| PREPARATION OF ETHYLENE GLYCOL ACETATE THROUGH CATALYTIC OXIDATION OF ETHYLENE——ONE-STEP PROCESS WITH SIMULTANEOUS INTRODUCTION OF OXYGEN AND ETHYLENE INTO A Pd-Cu CATALYTIC SOLUTION |
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| 引用本文： | 陆广中,黄国章,郭雅珠,汪仁,朱荣华,祁和干.PREPARATION OF ETHYLENE GLYCOL ACETATE THROUGH CATALYTIC OXIDATION OF ETHYLENE——ONE-STEP PROCESS WITH SIMULTANEOUS INTRODUCTION OF OXYGEN AND ETHYLENE INTO A Pd-Cu CATALYTIC SOLUTION[J].中国化学工程学报,1988,3(1):124-130. |
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| 作者姓名： | 陆广中 黄国章 郭雅珠 汪仁 朱荣华 祁和干 |
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| 作者单位： | East China University of Chemical Technology Shanghai，East China University of Chemical Technology，Shanghai，East China University of Chemical Technology，Shanghai，East China University of Chemical Technology，Shanghai，Research Institute of Shanghai General Petrochemical Complex，Shang hai，Research Institute of Shanghai General Petrochemical Complex，Shanghai |
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| 摘 要： | Ethylene glycol acetate can be prepared from ethylene by employing PdCl_2-CuCl_2-Cu(OAc)_2 in anacetic acid solution,usually involves two steps-acetoxylation and the regeneration of catalyst.In thispaper,a one-step process has been studied with oxygen and ethylene introduced simultaneously in a singlereactor.It was observed that there must be enough partial pressure of oxygen to oxidize Cu~+ to Cu~(2+)by keeping oxygen content at 8-10% in the raw binary gas mixture of oxygen and ethylene,whereby theactivity of the catalytic system could be maintained without formaton of CuCl residue.By using nitrogen as a diluent,the ratio of O_2/C_2H_2 could be kept in the non-explosive range.Itis claimed that 95% of the converted ethylene from the feed gas exists as ethylene glycol monoacetateand diacetate.
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