Iron mediated autotrophic denitrification for low C/N ratio wastewater: A review

被引：40

作者：

Chen, Shaoting ^{[1
]}

Zhou, Beihai ^{[1
]}

Chen, Huilun ^{[1
]}

Yuan, Rongfang ^{[1
]}

机构：

[1] Univ Sci & Technol Beijing, Beijing Key Lab Resource oriented Treatment Ind Po, Dept Environm Sci & Engn, Sch Energy & Environm Engn, Beijing 100083, Peoples R China

来源：

ENVIRONMENTAL RESEARCH | 2023年 / 216卷

关键词：

Iron -based materials; Autotrophic denitrification; Mechanism; Microorganisms; Low C; N ratio wastewater; ZERO-VALENT IRON; PERMEABLE REACTIVE BARRIER; SUPPORTED BIOLOGICAL DENITRIFICATION; MICROBIAL COMMUNITY STRUCTURE; NITRATE-DEPENDENT OXIDATION; NITROGEN REMOVAL; FERROUS IRON; THIOBACILLUS-DENITRIFICANS; DRIVEN DENITRIFICATION; ANAEROBIC-DIGESTION;

D O I：

10.1016/j.envres.2022.114687

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

In recent years, iron mediated autotrophic denitrification has been a concern because it overcomes the absence of organic carbon and has been successfully used in denitrification for low C/N ratio wastewater. However, there is currently a lack of a more systematic summary of iron-based materials that can be used for denitrification, and no detailed overview about the mechanism of iron mediated autotrophic denitrification has been reported. In this study, the iron materials with different valence states that can be used for denitrification were summarized, and emphasized, as well as the mechanism in different interaction systems were emphasize. In addition, the contribution of various microorganisms in nitrate reduction were analyzed and the effects of operating condi-tions and water quality were evaluated. Finally, the challenges and shortcomings of the denitrification process were discussed aiming to find better practical engineering applications of iron-based denitrification.

引用

页数：16

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