Micro-aeration for hydrogen sulfide reduction in full-scale anaerobic digesters with limited headspace: Performance and sulfide reduction kinetics

被引：0

作者：

Khadir, Ali ^{[1
]}

Nakhla, George ^{[1
]}

Karki, Renisha ^{[2
]}

Raskin, Lutgarde ^{[2
]}

Muller, Christopher ^{[3
]}

Guevarra, Karla ^{[4
]}

Summers, Amanda ^{[4
]}

Pierce, Laurie ^{[4
]}

Shahbaz, Parisa ^{[4
]}

Bell, Kati ^{[3
]}

Skerlos, Steven ^{[2
]}

Bronstad, Embrey ^{[3
]}

机构：

[1] Western Univ, Dept Chem & Biochem Engn, Thompson Engn Bldg, London, ON, Canada

[2] Univ Michigan, Dept Civil & Environm Engn, Ann Arbor, MI USA

[3] Brown & Caldwell, 1527 Cole Blvd 300, Lakewood, CO 80401 USA

[4] Pierce Cty Planning & Publ Works, Sewer Div, 9850 64th St W, University Pl, WA USA

来源：

PROCESS SAFETY AND ENVIRONMENTAL PROTECTION | 2025年 / 196卷

关键词：

Micro-aeration; Hydrogen sulfide; Sulfide oxidizing microbes; Anaerobic digestion; Desulfurization kinetics; BIOGAS DESULFURIZATION; MICROAERATION; REMOVAL; SULFUR; SLUDGE; OPTIMIZATION; REACTORS; WATER; H2S;

D O I：

10.1016/j.psep.2025.106911

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

A full-scale trial of micro-aeration was conducted at a municipal wastewater plant using two anaerobic digesters with limited headspace, one as a control and one as a test. A reduction of approximately 13 %-16 % in hydrogen sulfide biogas concentrations was observed in the test digester. Microbial community analyses were also conducted at steady-state conditions to determine differences between the microbial ecology of the test and the control digesters. Although sulfide removal typically occurs in the headspace of a micro-aerated digester, the data generated by this pilot study developed a new approach to quantify the contribution of liquid phase sulfide oxidizing microbes (SOM).

引用

页数：12

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