砷
吸附
环境修复
生物炭
环境化学
化学
污染
有机质
环境科学
污染
有机化学
生态学
热解
生物
作者
Jingang Wang,Zihao Li,Qing Zhu,Cuiping Wang,Xuejiao Tang
出处
期刊:Chemosphere
[Elsevier]
日期:2023-08-01
卷期号:333: 138869-138869
被引量:8
标识
DOI:10.1016/j.chemosphere.2023.138869
摘要
Arsenic pollution in environment has always been an important environmental problem that has attracted wide attention in recent years. Adsorption is one of the main methods of treatment for arsenic in the aqueous solution and soil because of the advantages of high efficiency, low cost and wide application. Firstly, this report summarizes the commonly and widely used adsorbent materials such as metal-organic frameworks, layered bimetallic hydroxides, chitosan, biochar and their derivatives. The adsorption effects and mechanisms of these materials are further discussed, and the application prospects of these adsorbents are considered. Meanwhile, the gaps and deficiencies in the study of adsorption mechanism was pointed out. Then, this study comprehensively evaluated the effects of various factors on arsenic transport, including (i) the effects of pH and redox potential on the existing form of As; (ii) complexation mechanism of dissolved organic matter and As; (iii) factors affecting the plant enrichment of As. Finally, the latest scientific researches on microbial remediation of arsenic and the mechanisms were summarized. The review finally enlightens the subsequent development of more efficient and practical adsorption material.
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