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Author:

Ma, Linlin (Ma, Linlin.) | Zhao, Ruhan (Zhao, Ruhan.) | Li, Jiaxin (Li, Jiaxin.) | Yang, Qing (Yang, Qing.) | Zou, Kehua (Zou, Kehua.)

Indexed by:

EI Scopus SCIE

Abstract:

In recent years, the malodorous gases generated by sewage treatment plants have gradually received widespread attention due to their sensory stimulation and health hazards. The emission concentration, sensory evaluation and health risk assessment of volatile sulfur compounds (VSCs) were all explored in two municipal wastewater treatment plants (WWTPs) with oxidation ditch and anaerobic/oxic treatment process, respectively. The VSCs concentration showed the highest amount in the primary treatment unit in both the two WWTPs (73.3% in Plant A and 93.0% in Plant B), while the H 2 S took the main role in the composition of VSCs. However, H 2 S took a larger percentage in Plant A (84.5% - 87.0%) rather than Plant B (61.2% - 83.5%), which may be due to the different operating conditions and sludge properties in different treatment process. Besides, H 2 S also gained the first rank in the sensory evaluation and health risk assessment, which may cause considerable sensory irritation and health risk to workers and surrounding residents. Furthermore, the influencing factor analyses of VSCs emission showed that the temperature of water and air, ORP of sludge made the greatest effect on VSCs release. This study provides theoretical and data support for the research of VSCs emission control in WWTPs.

Keyword:

Municipal wastewater treatment plants Influencing factors Health risk assessment Volatile sulfur compounds Sensory evaluation

Author Community:

  • [ 1 ] [Ma, Linlin]Beijing Univ Technol, Natl Engn Lab Adv Municipal Wastewater Treatment &, Beijing 100124, Peoples R China
  • [ 2 ] [Zhao, Ruhan]Beijing Univ Technol, Natl Engn Lab Adv Municipal Wastewater Treatment &, Beijing 100124, Peoples R China
  • [ 3 ] [Li, Jiaxin]Beijing Univ Technol, Natl Engn Lab Adv Municipal Wastewater Treatment &, Beijing 100124, Peoples R China
  • [ 4 ] [Yang, Qing]Beijing Univ Technol, Natl Engn Lab Adv Municipal Wastewater Treatment &, Beijing 100124, Peoples R China
  • [ 5 ] [Ma, Linlin]Tianjin Acad Ecoenvironm Sci, Key Lab Odor Pollut Control, Minist Ecol & Environm Peoples Republ China, Tianjin 300191, Peoples R China
  • [ 6 ] [Zou, Kehua]Tianjin Acad Ecoenvironm Sci, Key Lab Odor Pollut Control, Minist Ecol & Environm Peoples Republ China, Tianjin 300191, Peoples R China

Reprint Author's Address:

  • [Yang, Qing]Beijing Univ Technol, Natl Engn Lab Adv Municipal Wastewater Treatment &, Beijing 100124, Peoples R China;;

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Source :

ENVIRONMENTAL POLLUTION

ISSN: 0269-7491

Year: 2024

Volume: 350

8 . 9 0 0

JCR@2022

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count: 5

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 4

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