In situ synthesis and characterization of Ca–Mg–Al hydrotalcite on ceramic membrane for biodiesel production

Wei Xu; Lijing Gao; Feng Jiang; Guomin Xiao

doi:10.1016/j.cjche.2014.09.054

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In situ synthesis and characterization of Ca–Mg–Al hydrotalcite on ceramic membrane for biodiesel production

能源、资源与环境技术 | Updated：2026-01-06

- In situ synthesis and characterization of Ca–Mg–Al hydrotalcite on ceramic membrane for biodiesel production
- In situ synthesis and characterization of Ca–Mg–Al hydrotalcite on ceramic membrane for biodiesel production
- 中国化学工程学报（英文版） 2015年第6期页码：1035-1040
- Affiliations：
  
  School of Chemistry and Chemical Engineering, Southeast University,Nanjing,China,211189
- Author bio：
- Funds：
  
  Supported by the National Natural Science Foundation of China (21276050 and 21406034), the National Basic Research Program of China (2010CB732206).
- DOI：10.1016/j.cjche.2014.09.054
  中图分类号：
- 纸质出版：2015
- Accepted：
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Wei Xu, Lijing Gao, Feng Jiang, 等. In situ synthesis and characterization of Ca–Mg–Al hydrotalcite on ceramic membrane for biodiesel production[J]. 中国化学工程学报（英文版）, 2015,(6):1035-1040.

Wei Xu, Lijing Gao, Feng Jiang, et al. In situ synthesis and characterization of Ca–Mg–Al hydrotalcite on ceramic membrane for biodiesel production[J]. Chinese Journal of Chemical Engineering, 2015, (6): 1035-1040.
Wei Xu, Lijing Gao, Feng Jiang, 等. In situ synthesis and characterization of Ca–Mg–Al hydrotalcite on ceramic membrane for biodiesel production[J]. 中国化学工程学报（英文版）, 2015,(6):1035-1040. DOI： 10.1016/j.cjche.2014.09.054.

Wei Xu, Lijing Gao, Feng Jiang, et al. In situ synthesis and characterization of Ca–Mg–Al hydrotalcite on ceramic membrane for biodiesel production[J]. Chinese Journal of Chemical Engineering, 2015, (6): 1035-1040. DOI： 10.1016/j.cjche.2014.09.054.

摘要

In situ surface synthesis of Ca–Mg–Al hydrotalcite (HT) on inorganic ceramic membrane (CM) was investigated with urea as precipitator. The effects of molar ratio of raw materials

crystallization time

and temperature on surface synthesis of HT were examined. The as-prepared HT/CM samples were characterized by XRD and SEM and an in sit growth mechanismof HT on CMwas proposed. KF/HT/CMobtained by loading potassium fluoride (KF) on the HT layer by impregnation and calcination method was used as catalyst for transesterification between palm oil and methanol. The comparison of KF/HT/CMand pure KF/HT powder under identical reaction conditions shows that the production of fatty acid methyl ester is equivalent

which means that the use of inorganic catalytic membrane in the transesterification is a viable alternative.

Abstract

In situ surface synthesis of Ca-Mg-Al hydrotalcite (HT) on inorganic ceramic membrane (CM) was investigated with urea as precipitator. The effects of molar ratio of raw materials

crystallization time

which means that the use of inorganic catalytic membrane in the transesterification is a viable alternative.

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