Iron-dependent autotrophic denitrification as a novel microbial driven and iron-mediated denitrification process: A critical review

Environmental Research, Journal Year: 2025, Volume and Issue: unknown, P. 120808 - 120808

Published: Feb. 1, 2025

Language: Английский

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Slow-release ferrous effects on synchronous stabilization of lead, cadmium, and arsenic in soil

Environmental Geochemistry and Health, Journal Year: 2025, Volume and Issue: 47(5)

Published: March 26, 2025

Language: Английский

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Impact of Iron Minerals on Nitrate Reduction in the Lake–Groundwater Interaction Zone of High-Salinity Environment

Water, Journal Year: 2025, Volume and Issue: 17(9), P. 1241 - 1241

Published: April 22, 2025

Nitrate is the most prevalent inorganic pollutant in aquatic environments, posing a significant threat to human health and ecological environment, especially lakes groundwater, which are located high agricultural activity intensity areas. In order reveal sources of nitrogen pollution this study transformation mechanism interaction zone between groundwater has become an important foundation for prevention control. The coupling effect biogeochemical processes nitrate iron been pointed out be widely present various water environments recent years. However, impact minerals on reduction lake–groundwater high-salinity environment still remains uncertain. Based sediment chemistry characteristics Chagan Lake–groundwater northeastern China (groundwater TDS: 420~530 mg/L, Na+: 180~200 Cl−: 15~20 mg/L lake 470~500 210~240 71.40~87.09 mg/L), simulated relative oxidizing open system conditions reducing closed investigate hematite siderite effects microbial behavior. results indicated that both promoted system, whereas only system. Microbial community analysis significantly functional bacterial proliferation restructured composition by serving as electron donors/acceptors. systems, addition preferentially enriched Geobacter (denitrification, +15% abundance) Burkholderiales (DNRA, +12% abundance), while fostered distinct iron-carbon coupled metabolic network through Sphingomonas enrichment (+48% secretes organic acids enhance dissolution. These shifts accelerated Fe(II)/Fe(III) cycling rates 37% achieved efficient removal via combined denitrification DNRA pathways. Notably, with amendment demonstrated highest efficiency (80.6%). This reveals play critical role regulating pathways within salinized interfaces, thereby influencing microbially mediated redox processes.

Language: Английский

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New insights into microalgal-bacterial immobilization systems for wastewater treatment: mechanisms, enhancement strategies, and application prospects

Bioresource Technology, Journal Year: 2025, Volume and Issue: unknown, P. 132609 - 132609

Published: April 1, 2025

Language: Английский

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