Efficient rural sewage treatment with manganese sand-pyrite soil infiltration systems: Performance, mechanisms, and emissions reduction

Efficient rural sewage treatment with manganese sand-pyrite soil infiltration systems: Performance, mechanisms, and emissions reduction

[Display omitted] •Manganese sand-pyrite coupled SIS exhibits good performance of denitrification.•TN removal efficiency reached 76.4 % at HLR = 0.003 m3/m2·h and D/W = 3:1.•N2O and CH4 emission decreased by 23.0% and 5.7% at optimal conditions.•The genera Thiobacillus played a significant role in d...

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Veröffentlicht in:Bioresource technology 2024-02, Vol.393, p.130021-130021, Article 130021
Hauptverfasser: Zeng, Mingxiao, Li, Zhanfeng, Liu, Yongli, Wang, Yuanyuan, Xia, Xunfeng, Gao, Shengwang, Song, Guangqing
Format: Artikel
Sprache:eng
Schlagworte:
Autotrophic denitrification
Biological denitrification
Denitrification
Ferric Compounds
Greenhouse gas reduction
Greenhouse Gases
Iron
Manganese
Nitrogen - chemistry
Rural domestic sewage
Sewage
Soil - chemistry
Soil infiltration system
Sulfides
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Zusammenfassung:[Display omitted] •Manganese sand-pyrite coupled SIS exhibits good performance of denitrification.•TN removal efficiency reached 76.4 % at HLR = 0.003 m3/m2·h and D/W = 3:1.•N2O and CH4 emission decreased by 23.0% and 5.7% at optimal conditions.•The genera Thiobacillus played a significant role in denitrification. The application of soil infiltration systems (SISs) in rural domestic sewage (RDS) is limited due to suboptimal denitrification resulting from factors such as low C/N (
ISSN:0960-8524
1873-2976
DOI:10.1016/j.biortech.2023.130021