物理化学学报 >> 1997, Vol. 13 >> Issue (01): 79-82.doi: 10.3866/PKU.WHXB19970117
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宋蔚,梁珍成,秦永宁
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Song Wei,Liang Zhen-Cheng,Qin Yong-Ning
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关键词: 脱氢催化剂, 钾霞石, 反应活性, 多乙苯
Abstract:
The catalyst for dehydrogenation of diethylbenzene(DEB) to divinylbenzene(DVB) was studied. Potassium-promoted iron oxide catalyst was mainly used for ethylbenzene dehydrogenation. If potassium alkli or salt was used directly as promoter, it was noted that the loss of potassium component from the surface of the catalysts pellet result in deactivation. When potassium promoter was added as kaliophilite(KAlSiO4). It was shown that the latter way of adding potassium promoter not only keeps the depression of carbonaceous deposits but also controls the loss of potassium component(the value of loss of potassium component has been reduced three times) , thus making the catalyst having a higher dehydrogention activity.
Key words: Dehydrogenation catalyst, Kaliophilite, Reactivity, Diethylbenzene
宋蔚,梁珍成,秦永宁. 助剂钾添加方式对多乙苯脱氢催化性能的影响[J]. 物理化学学报, 1997, 13(01): 79-82.
Song Wei,Liang Zhen-Cheng,Qin Yong-Ning. Influence of the Method of Adding Potassium Promoter on Catalyst for Dehydrogenation of Diethylbenzene[J]. Acta Phys. -Chim. Sin., 1997, 13(01): 79-82.
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http://www.whxb.pku.edu.cn/CN/Y1997/V13/I01/79
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