| 苯一步法制苯酚反应中TS-1催化剂失活研究 |
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| 引用本文： | 李霁,沈本贤,赵基钢. 苯一步法制苯酚反应中TS-1催化剂失活研究[J]. 化工科技, 2009, 17(3): 29-33 |
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| 作者姓名： | 李霁 沈本贤 赵基钢 |
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| 作者单位： | 华东理工大学化学工程联合国家重点实验室,上海,200237;华东理工大学化学工程联合国家重点实验室,上海,200237;华东理工大学化学工程联合国家重点实验室,上海,200237 |
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| 摘 要： | 考察了TS-1催化剂在过氧化氢氧化苯一步法制苯酚反应中的催化效果,研究表明在反应初期TS-1具有较高的反应活性,但易失活;采用XRD、SEM、微结构分析、TG-DTA多种方法分析反应前后TS-1的性质,表明反应前后其骨架结构未发生变化,失活催化剂晶型晶貌未发生明显改变,在TG由线中320℃附近有失重;失活催化荆可通过焙烧再生,其活性基本得到恢复,表明反应中催化剂的失活是由羽产物积碳所导致的暂时性失活.
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| 关 键 词： | 笨 一步法 苯酚 TS-1分子筛催化剂 H2O2 失活 |
Deactivation of TS-1 catalyst for one-step production of phenol by oxidation of benzene with hydrogen peroxide |
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| LI ji,SHEN Ben-xian,ZHAO ji-gang. Deactivation of TS-1 catalyst for one-step production of phenol by oxidation of benzene with hydrogen peroxide[J]. Science & Technology In Chemical Industry, 2009, 17(3): 29-33 |
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| Authors: | LI ji SHEN Ben-xian ZHAO ji-gang |
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| Affiliation: | State Key Laboratory of Chemical Engineering;East China University of Science and Technology Shanghai 200237;China |
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| Abstract: | The catalytic performances of TS-1 catalyst for one-step production of phenol by oxidation of benzene with peroxide hydrogen were studied,the results indicate that TS-1 has high activity in the early stages of reaction but easy to inactivation.XRD,SEM,micro-structural analysis and TG-DTA were used for the study on the fresh catalysts and deactivated catalysts.The results show that the framework structure of deactivated catalyst do not change,crystal form,grains and particle size do not vary obviously either... |
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| Keywords: | H2O2 |
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