黏土矿物的结构特征及其吸附二氧化碳的研究进展

摘要/Abstract

摘要： 天然黏土矿物资源丰富、成本低廉、具有丰富的孔隙结构和稳定的化学性质,是实现减排和碳循环的一类优良固体吸附剂基体材料。本文概述了黏土矿物适用于CO₂固体吸附剂制备的结构特征,对高岭石、埃洛石、蒙脱石、凹凸棒石、海泡石和蛭石等黏土矿物基CO₂固体吸附剂进行了综述。介绍了其在工业烟气捕集及沼气提纯技术中的应用,最后指出合成吸附容量高、选择性强、吸附温区大、适用于产业化应用的黏土矿物基CO₂固体吸附剂并建立理论吸附模型是今后的研究重点。

关键词: 黏土矿物, 高岭石, 埃洛石, 蒙脱石, 凹凸棒石, 二氧化碳捕集, 吸附性能, 矿物基固体吸附剂

Abstract: Natural clay minerals are rich in resources, low in cost, abundant in pore structure and stable chemical properties, which are excellent solid adsorbent matrix materials for emission reduction and carbon cycling. The structure characteristics clay minerals for preparation of CO₂ solid adsorbents are summarized. Recent development on clay mineral-based CO₂ adsorbents with kaolinite, halloysite, montmorillonite, attapulgite, sepiolite and vermiculite are reviewed. The application in industrial flue gas capture and biogas upgrading are introduced. It is indicated that preparing clay mineral-based CO₂ adsorbents with high CO₂ uptakes, excellent CO₂ selectivity, large adsorption temperature range, suitable for industrial application are a technical challenge for the future development.

Key words: clay mineral, kaolinite, halloysite, montmorillonite, attapulgite, carbon dioxide capture, adsorption performance, clay-based solid adsorbent

中图分类号:

TQ170.9

李瑞红, 李晓玉, 李浩然, 赵珂萍, 彭康. 黏土矿物的结构特征及其吸附二氧化碳的研究进展[J]. 硅酸盐通报, 2022, 41(1): 141-152.

LI Ruihong, LI Xiaoyu, LI Haoran, ZHAO Keping, PENG Kang. Structural Characteristics of Clay Minerals and Their Progress in CO₂ Adsorption[J]. BULLETIN OF THE CHINESE CERAMIC SOCIETY, 2022, 41(1): 141-152.

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