Synthesis of Mg–Al–carbonate layered double hydroxide by an atom-economic reaction--颗粒学报PARTICUOLOGY

Xu, X., Li, D., Song, J., Lin, Y., Lv, Z., Wei, M., & Duan, X. (2010). Synthesis of Mg–Al–carbonate layered double hydroxide by an atom-economic reaction. Particuology, 8(3), 198-201. https://doi.org/10.1016/j.partic.2010.03.007

Synthesis of Mg–Al–carbonate layered double hydroxide by an atom-economic reaction

Xiangyu Xu, Dianqing Li, Jiaqing Song, Yanjun Lin, Zhi Lv, Min Wei, Xue Duan^*

State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, China

10.1016/j.partic.2010.03.007

Volume 8, Issue 3, June 2010, Pages 198-201

Received 19 February 2009, Accepted 29 May 2009, Available online 1 April 2010.

E-mail: duanx@mail.buct.edu.cn

Highlights

Abstract

A clean method for preparing layered double hydroxides (LDHs) has been developed, featured by using the hydroxides of two different metals as starting materials by atom-economic reaction. The reactions were carried out under hydrothermal conditions in either a high pressure autoclave or a microwave digester. The compositions, structural parameters and thermal behavior of the resulting LDHs are very similar to those of materials produced by using the separate nucleation and aging steps (SNAS) method. The major advantage of the new method is that no by-product is produced, so that filtration and washing processes are unnecessary. The consequent reduction in water consumption is beneficial to the environment.

Graphical abstract

Keywords

Layered double hydroxides; Atom-economic reaction; Clean method; Mg(OH)₂; Al(OH)₃

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