Enhanced nitrogen removal from micro-polluted water by Fe (II)/Fe (III) cycling under intermittent aeration
Chemical Engineering Journal(2023)
摘要
•Iron materials improved nutrient removal by biological and chemical processes.•Intermittent aeration promotes the formation of Fe2+/Fe3+ cycle.•Iron-reducing bacteria and denitrifying bacteria are enriched on magnetite surface.•The addition of iron materials changed the composition of microbial community.•The abundance of denitrification functional genes increased significantly.
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关键词
Iron -carbon materials, Micro -polluted source water, Aerobic denitrification, Inorganic electron donor, Intermittent aeration
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