熔盐改性的金属氧化物捕获二氧化碳研究进展
收稿日期: 2022-07-26
网络出版日期: 2023-05-15
基金资助
国家自然科学基金区域创新发展联合基金(U22A20434);青海省基础研究计划(2022-ZJ-706);内蒙古自治区自然科学基金资助项目(2019MS05071)
Research progress of CO2 capture by metal oxides modified by molten salts
Received date: 2022-07-26
Online published: 2023-05-15
许春辉 , 王峰 , 凌长见 , 王子睿 , 唐忠锋 . 熔盐改性的金属氧化物捕获二氧化碳研究进展[J]. 无机盐工业, 2023 , 55(5) : 1 -7 . DOI: 10.19964/j.issn.1006-4990.2022-0452
CO2 capture technology by metal oxide is an effective method for carbon emission reduction.However，metal oxides in CO2 capture have some problems，such as low adsorption capacity and easy hardening.At present，molten salt modification of metal oxide can effectively solve these problems.The hydrotalcite derived magnesium aluminum oxides，MgO and CaO were studied.The effects of doped molten salts（such as nitrate，nitrite，carbonate，etc.） on the CO2 capture performance of metal oxides were reviewed.The modification mechanism was analyzed and the application progress of CO2 capture by metal oxides was summarized.In the future，more attention should be paid to the design of doped molten salt system，the study of low-cost and highly selective adsorption materials and the study of capture mechanism.At the same time，practical working conditions should be simulated as much as possible in the experiment to provide support for subsequent large-scale industrial applications.
Key words： carbon dioxide; metal oxides; molten salts; adsorption; capture
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