Review on development of magnesium sulfate heptahydrate for thermochemical storage and application

被引：0
|
作者：
Fu H. [1 ]
Lan Y. [1 ]
Ling Z. [1 ,2 ]
Zhang Z. [1 ,2 ]
机构：
[1] College of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou
[2] Guangdong Engineering Research Center for High Efficiency Heat Storage and Application, South China University of Technology, Guangzhou
来源：
Huagong Jinzhan/Chemical Industry and Engineering Progress | 2022年 / 41卷 / 04期
关键词：
Composite material; Hydrate; Magnesium sulfate heptahydrate (MgSO[!sub]4[!/sub]·7H[!sub]2[!/sub]O); Thermochemical storage material; Zeolite;
D O I：
10.16085/j.issn.1000-6613.2021-0828
中图分类号：
学科分类号：
摘要：
Magnesium sulfate heptahydrate is an inorganic salt hydrate chemical heat storage material with high heat storage density (2.8GJ/m3) and low working temperature (<150℃). The development of high-efficiency thermochemical heat storage materials and heat storage systems based on magnesium sulfate heptahydrate is expected to achieve good energy-saving and emission-reduction application effects in the fields of solar thermal utilization, industrial waste heat recovery, seasonal energy storage and building heating. This article introduces in detail the heat storage principle and basic physical properties of magnesium sulfate heptahydrate. Magnesium sulfate heptahydrate faces the shortcomings such as large mass transfer resistance, limited service life, insufficient heat transfer performance, etc. Therefore, the methods to prepare high-performance composite materials are introduced by modifying magnesium sulfate with zeolite, polymer foam and carbon materials, as well as the performance of the thermal storage unit. The paper points out the future development trend of magnesium sulfate heptahydrate for thermochemical storage and application. © 2022, Chemical Industry Press Co., Ltd. All right reserved.
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页码：1956 / 1969
页数：13
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