反硝化过程中的关键影响因素——电子供体
The Key Influencing Factor in Denitrification Process—Electron Donor
DOI: 10.12677/OJNS.2022.105101, PDF,  被引量    科研立项经费支持
作者: 范红叶, 郑燊鹏, 许宇虹, 刘皓月：浙江树人学院生物与环境工程学院，浙江 杭州；熊千慧：浙江树人学院树兰国际医学院，浙江 杭州；王泽宇*：浙江树人学院交叉科学研究院浙江省污染暴露与健康干预重点实验室，浙江 杭州
关键词: 反硝化；电子供体；有机碳源；无机碳源；Denitrification； Electron Donor； Organic Carbon Source； Inorganic Carbon Source
摘要: 废水中的硝酸盐(NO3- )污染已成为一个严重的全球生态问题。生物脱氮通过反硝化作用将NO3-还原为氮气(N2)，是一种高效、经济的去除NO3-的工艺。然而，NO3-作为电子受体须接受电子供体传递来的电子以完成其还原，因此电子供体的差异严重影响其反硝化性能。本文综述了用于生物脱氮的各种电子给体的最新进展。根据碳源(电子供体)的类型，反硝化可分为异养反硝化和自养反硝化。本综述从脱氮性能和环境影响方面，总结并比较了基于不同电子供体的生物脱氮工艺，并提出了探索异养/自养反硝化的最佳配置和不同的有机/无机源组合可能是未来的研究方向。
Abstract: Nitrate (NO3-) pollution in wastewater has become a serious global ecological problem. Biological denitrification reduces NO3- to nitrogen (N2) through denitrification, which is an efficient and economical process for removing NO3- . However, as an electron acceptor, NO3- must accept electrons from electron donors to complete its reduction, so the difference of electron donors seriously affects its denitrification performance. This article reviewed the recent progress of various electron donors for biological denitrification. According to the type of carbon source (electron donor), denitrification could be divided into heterotrophic denitrification and autotrophic denitrification. This review summarized and compared biological denitrification processes based on different electron donors in terms of denitrification performance and environmental impact. And it is proposed that explor-ing the optimal configuration of heterotrophic/autotrophic denitrification and different combinations of organic/inorganic sources may be future research directions.
文章引用：范红叶, 郑燊鹏, 许宇虹, 刘皓月, 熊千慧, 王泽宇. 反硝化过程中的关键影响因素——电子供体[J]. 自然科学, 2022, 10(5): 885-896. https://doi.org/10.12677/OJNS.2022.105101

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