Acetone condensation over CaO-SnO2 catalyst

被引:12
|
作者
Koklin, A. E. [1 ]
Hasyanova, G. M. [1 ]
Glukhov, L. M. [1 ]
Bogdan, V. I. [1 ]
机构
[1] Russian Acad Sci, ND Zelinsky Inst Organ Chem, 47 Leninsky Prosp, Moscow 119991, Russia
关键词
acetone; mesityl oxide; isophorone; aldol condensation; CaO-SnO2; SELF-CONDENSATION; MIXED-OXIDES; DEACTIVATION; KETONES;
D O I
10.1007/s11172-017-1760-5
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Aldol condensation of acetone was studied over solid base CaO-SnO2 catalyst in the 300-450 Alpha degrees C temperature range and at 15-75 atm pressure in a fixed-bed reactor. The main products are mesityl oxide and isophorone. The high stability of CaO-SnO2 catalyst performance was observed at pressure of 75 atm giving the acetone conversion of 36-41%. Increase in the temperature and pressure led to a simultaneous raise in acetone conversion. The maximum conversion of 41% was achieved at 400 degrees C, 75 atm and a flow rate of acetone of 8.1 g h(-1) (g catalyst)(-1).
引用
收藏
页码:488 / 490
页数:3
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