Synthesis and Characterization of TS-1 with Aid of Supercritical CO2

doi:10.1007/s40242-013-3248-7

Chemical Research in Chinese Universities ›› 2013, Vol. 29 ›› Issue (6): 1036-1039.doi: 10.1007/s40242-013-3248-7

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Synthesis and Characterization of TS-1 with Aid of Supercritical CO₂

ZHU Guo-wei^1,2, CHEN Xiao-bo², JIANG Hong², HUANG Jian¹, WANG Run-wei¹, QIU Shi-lun¹

1. State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, Jilin University, Changchun 130012, P. R. China;
2. School of Chemical and Biological, Beihua University, Jinlin 132013, P. R. China

Received:2013-06-07 Revised:2013-08-20 Online:2013-12-01 Published:2013-09-13
Contact: WANG Run-wei E-mail:rwwang@mail.jlu.edu.cn
Supported by:
Supported by the National Basic Research Program of China(Nos.2011CB808703, 2012CB821700), the National Natural Science Foundation of China(No.91022030) and the Youth Scientific Research Fund of Jilin Province, China(No.201201145).

Abstract

Abstract:

A new route to synthesize TS-1 has been developed using the supercritical carbon dioxide(SCCO₂) as a crystallization-assistant agent. SCCO₂ plays a dual role: as a reagent changing the alkalinity during the crystallization process and as a medium eliminating mass-transfer limitations(both within the bulk fluid and through liquid/gas, solid/gas or solid/liquid phase boundaries). In this route, it was shown that the Ti content in TS-1 increase compared with that in the TS-1 prepared without SCCO₂, but decrease while the SCCO₂ pressure increase. The prepared crystal morphology also underwent significant change. The crystallization time of TS-1 can be shorten a lot.

Key words: Aided crystallization regulator, Supercritical carbon dioxide, Crystal morphology

ZHU Guo-wei, CHEN Xiao-bo, JIANG Hong, HUANG Jian, WANG Run-wei, QIU Shi-lun. Synthesis and Characterization of TS-1 with Aid of Supercritical CO₂[J]. Chemical Research in Chinese Universities, 2013, 29(6): 1036-1039.

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Synthesis and Characterization of TS-1 with Aid of Supercritical CO₂

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