莰烯酯化制乙酸异龙脑酯催化剂失活机理及再生方法的研究

doi:10.3969/j.issn.0253-2417.2013.01.013

›› 2013, Vol. 33 ›› Issue (1): 69-73.doi: 10.3969/j.issn.0253-2417.2013.01.013

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The Deactivation Mechanism and Regeneration Methods of Resin Catalyst for the Esterification of Camphene

QU Yan-yan, ZHENG Hui-dong, ZOU Wen-hu, WANG Ying-shu, WU Yan-xiang

College of Chemistry and Chemical Engineering, Fuzhou University, Fuzhou 350108, China

Received:2012-03-04 Revised:1900-01-01 Online:2013-02-28 Published:2013-02-28

Abstract

Abstract: Cation exchange resin as catalyst for the preparation of isobornyl acetate by the esterification of camphene is widely used in industry. However this type of catalyst is easy to lose its activity during the reaction. In this paper, the deactivation mechanism and regeneration method of the catalyst (CT800) were investigated. It showed that the deactivation of catalyst was mainly caused by the overlay of polymer byproducts on the resin activity centers. The deactivated catalyst can be regenerated by washing with ethanol. The activity of the regenerated catalyst is close to that of fresh one. This proves that this generation method is effective.

Key words: camphene, esterification, cation exchang resin, deactivation mechanism, regeneration method

CLC Number:

TQ351

QU Yan-yan;ZHENG Hui-dong;ZOU Wen-hu;WANG Ying-shu;WU Yan-xiang. The Deactivation Mechanism and Regeneration Methods of Resin Catalyst for the Esterification of Camphene[J]. , 2013, 33(1): 69-73.

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The Deactivation Mechanism and Regeneration Methods of Resin Catalyst for the Esterification of Camphene

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