Advances in sulfur iron ore mediated autotrophic denitrification

被引：0
|
作者：
Xu Z. [1 ]
Zhou P. [1 ]
Wang Y. [1 ]
Huang W. [1 ]
Song X. [1 ]
机构：
[1] College of Environmental Science and Engineering, Donghua University, Shanghai
来源：
Huagong Jinzhan/Chemical Industry and Engineering Progress | 2023年 / 42卷 / 09期
关键词：
autotrophic denitrification; influencing factors; microbial mechanism; sulfur iron ore;
D O I：
10.16085/j.issn.1000-6613.2022-2013
中图分类号：
学科分类号：
摘要：
Sulfur iron ore mediated autotrophic denitrification is an economic, efficient and green biological treatment technology with the advantages of saving external organic carbon sources, removing nitrogen and phosphorus simultaneously, and reducing sludge production and CO2 emissions, which is the frontier and focus of wastewater treatment in recent years. This paper systematically summarizes the phenomenon of sulfur iron ore mediated field autotrophic denitrification in natural habitats, and the current status of sulfur iron ore supports biological treatment technologies; analyzes the effects of key factors such as their physicochemical properties, dosage, operation pH and temperature on systems’ performance; describes functional microorganisms of sulfur/iron oxidation coupled with nitrate reduction and their potential biochemical mechanisms; discusses the development difficulties such as bioavailability of sulfur iron ore and the inhibition of iron sediment. And finally the corresponding potential countermeasures are proposed. In summary, this paper outlined four aspects of the current status, influencing factors, biological mechanism, and development difficulties, which improves the understanding of sulfur iron ore mediated autotrophic denitrification and thus promotes its application in wastewater treatment. © 2023 Chemical Industry Press. All rights reserved.
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页码：4863 / 4871
页数：8
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