Untangling the nitrate removal pathways for a constructed wetland- sponge iron coupled system and the impacts of sponge iron on a wetland ecosystem.

Zhihao Si,Xinshan Song,Yuhui Wang,Xin Cao,Yifei Wang,Yufeng Zhao,Xiaoyan Ge,Wolfgang Sand

Journal of Hazardous Materials（2020）

引用 73|浏览16

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摘要

•CW-Fe0 system produces a high-efficiency removal of NO3−-N.•s-Fe0 introduces chemical- and hydrogen-driven denitrification into CWs.•Hydrogenophaga is the dominant denitrifier in a CW-Fe0 system.•s-Fe0 promotes the TIN removal under a low COD/N ratio condition.

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关键词

Sponge iron,Constructed wetlands,Inorganic electron donor,Denitrification,Wetland substrate

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