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One-Step Synthesis of Cumene from Benzene and Acetone on a Bifunctional Catalyst
https://doi.org/10.18412/1816-0387-2015-4-37-41
Abstract
Hydroalkylation of benzene with acetone was studied on a bifunctional solid catalyst containing zeolite beta and copper supported on silica. The effect of temperature (100–230 °C), pressure (0,1–3,0 MPa), and the composition of the reaction mixture (benzene/acetone) on the process parameters was studied. It is shown that optimum reaction conditions are the temperature of 150–170 °C, pressure of 1–3 MPa and the molar ratio benzene/acetone = (4÷9)/1. At 170 °C, 1 MPa, and a 9-fold dilution of acetone with benzene, the conversion of acetone achieves 98 % and the yield of the desired products — cumene and diisopropylbenzenes — is 94 %, which is comparable to the parameters of the industrial alkylation of benzene with propylene. The use of acetone instead of propylene as an alkylating agent makes the proposed method of hydroalkylation more attractive because of a surplus of inexpensive acetone.
About the Authors
O. V. Shutkina
Topchiev Institute of Petrochemical Synthesis, RAS, Moscow
Russian Federation
Russian Federation
O. A. Ponomareva
Topchiev Institute of Petrochemical Synthesis, RAS, Moscow;
Lomonosov Moscow State University, Moscow
Russian Federation
Russian Federation
I. I. Ivanova
Topchiev Institute of Petrochemical Synthesis, RAS, Moscow;
Lomonosov Moscow State University, Moscow
Russian Federation
Russian Federation
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Review
For citations:
Shutkina O.V., Ponomareva O.A., Ivanova I.I. One-Step Synthesis of Cumene from Benzene and Acetone on a Bifunctional Catalyst. Kataliz v promyshlennosti. 2015;15(4):37-41. (In Russ.) https://doi.org/10.18412/1816-0387-2015-4-37-41
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