引用本文:
Chang Xi MIAO, Ming SHAN. Influence of Addition of ZnO on Property of Fe2O3-K2O System Catalyst for Ethylbenzene Dehydrogenation to Styrene[J]. Chinese Chemical Letters,
2004, 15(1): 93-96.
Citation: Chang Xi MIAO, Ming SHAN. Influence of Addition of ZnO on Property of Fe2O3-K2O System Catalyst for Ethylbenzene Dehydrogenation to Styrene[J]. Chinese Chemical Letters, 2004, 15(1): 93-96.
Citation: Chang Xi MIAO, Ming SHAN. Influence of Addition of ZnO on Property of Fe2O3-K2O System Catalyst for Ethylbenzene Dehydrogenation to Styrene[J]. Chinese Chemical Letters, 2004, 15(1): 93-96.
Influence of Addition of ZnO on Property of Fe2O3-K2O System Catalyst for Ethylbenzene Dehydrogenation to Styrene
摘要:
The incorporation of ZnO into Fe2O3-K2O system increases its activity, enhances its moisture stability and mechanical strength. The origin of the enhancement in activity and moisture stability is discussed in the light of experimental results obtained by BET, XRD, XPS. It was found that the addition of ZnO to Fe2O3-K2O system strengthens the interaction between Fe2O3 and K2O, reduces the formation temperature of KFe11O17 at least by 50℃, and promotes the transformation of Fe3+ to Fe2+ further.
English
Influence of Addition of ZnO on Property of Fe2O3-K2O System Catalyst for Ethylbenzene Dehydrogenation to Styrene
Abstract:
The incorporation of ZnO into Fe2O3-K2O system increases its activity, enhances its moisture stability and mechanical strength. The origin of the enhancement in activity and moisture stability is discussed in the light of experimental results obtained by BET, XRD, XPS. It was found that the addition of ZnO to Fe2O3-K2O system strengthens the interaction between Fe2O3 and K2O, reduces the formation temperature of KFe11O17 at least by 50℃, and promotes the transformation of Fe3+ to Fe2+ further.
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Key words:
- Fe2O3-K2O system
- / ethylbenzene dehydrogenation
- / crush strength
- / moisture stability
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