One-Step Synthesis of Pseudo-Boehmite by Carbonation in a Microchannel Reactor

被引：1

作者：

Zhang, Xing ^{[1
,2
]}

Chen, Jiayu ^{[2
]}

Jiang, Tao ^{[2
]}

Fu, Jianmin ^{[2
]}

Wu, Xuantao ^{[2
]}

Wang, Hui ^{[2
,3
]}

Sun, Yuhan ^{[2
,3
]}

机构：

[1] ShanghaiTech Univ, Sch Phys Sci & Technol, Shanghai 201210, Peoples R China

[2] Shanghai Inst Cleantech Innovat, Shanghai 201616, Peoples R China

[3] ShanghaiTech Univ, Inst Carbon Neutral, Shanghai 201210, Peoples R China

来源：

CHEMICAL ENGINEERING & TECHNOLOGY | 2023年 / 46卷 / 10期

关键词：

Carbonation; Computational fluid dynamcis; CO2; Microchannel reactor; Pseudo-boehmite synthesis; MICROFLUIDIC SYNTHESIS; FLOW; TEMPERATURE; ALUMINA; AL2O3; GAMMA-AL2O3; EVOLUTION; CATALYST;

D O I：

10.1002/ceat.202300205

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

Pseudo-boehmite with a high specific surface area and large pore volume was continuously synthesized in a microchannel reactor using the carbonation method. The effects of the microchannel on the prepared pseudo-boehmite, strongly present in gas-liquid mixing efficiency, were studied. In time scale, the crystallinity of pseudo-boehmite in the microchannel, without the aging process of high-temperature stirring, reaches the standard of industrial products. Besides, the fluid and mass transfer effect of the gas-liquid mixing process in the microreactor was simulated under experimental conditions in computational fluid dynamics. The result illustrated the base-liquid surround by the acid-gas model in the microreactor, which is significantly different from the batch reactor.

引用

页码：2175 / 2183

页数：9

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