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Citation: Tang Dongy an, Zhou Yuhong, Liu Zhigang, Zhang Yuqiang, Chen Qingyan. Preparation and Catalytic Activity of Ce(SO₄)₂·xH₂O-CuSO₄·yH₂O Composite Catalysts for Synthesis of Carboxylic Esters[J]. Chinese Journal of Applied Chemistry, ;1999, 16(4): 37-40. shu

Preparation and Catalytic Activity of Ce(SO₄)₂·xH₂O-CuSO₄·yH₂O Composite Catalysts for Synthesis of Carboxylic Esters

1.
Department of Applied Chemistry, Harbin Institute of Technology, Harbin 150001

Received Date: 14 December 1998
Available Online: 30 June 1999

Ce(SO₄)₂·xH₂O was prepared by hot impregnation method from CeO₂ and hot concentrated H₂SO₄ and mixed with CuSO₄·yH₂O to give composite catalysts.In syntheses of isopenty l acetate and dibutyl phthalate at optimum conditions the composite cataly sts gave conversion of the corresponding carboxy lic acids 63.2% and 68.8%, respectively. The cataly tic activity of the composite catalysts has been discussed in terms of the orbit structure of the sufficient energy-level of rare earth and transition metal ions and Brönsteds acid-base theory.
- ceric sulfate,
- copper sulfate,
- composite catalyst,
- esterification
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Preparation and Catalytic Activity of Ce(SO4)2·xH2O-CuSO4·yH2O Composite Catalysts for Synthesis of Carboxylic Esters

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通讯作者: 陈斌, bchen63@163.com

Preparation and Catalytic Activity of Ce(SO₄)₂·xH₂O-CuSO₄·yH₂O Composite Catalysts for Synthesis of Carboxylic Esters