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Anaerobic treatment of raw domestic wastewater in a UASB-digester at 10 °C and microbial community dynamics

(2018) CHEMICAL ENGINEERING JOURNAL. 334. p.2088-2097
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Abstract
Direct a naerobic treatment of domestic wastewater is becoming attractive as it can change a wastewater treatment plant from energy consuming to energy producing. A pilot scale UASB-digester was studied to treat domestic wastewater at temperatures of 10-20 degrees C and an HRT of 6 h. The results show a stable chemical oxygen demand (COD) removal efficiency of 60 +/- 4.6% during the operation at 12.5-20 degrees C. COD removal efficiency decreased to 51.5 +/- 5.5% at 10 degrees C as a result of insufficient methanogenic capacity caused by low temperature and increased influent COD load (from 2.0 g/(L.d) to 3.0 g/(L.d)). Suspended COD removal was 76.0 +/- 9.1% at 10-20 degrees C. Soluble COD removal fluctuated due to variation of the influent COD concentration, but the effluent COD concentration remained 90 +/- 23 mg/L at temperatures between 12.5 and 20 degrees C. The methane production was 39.7 +/- 4.4% of the influent COD, which was 80% of influent biological methane potential. The specific methanogenic activity of the UASB sludge and the digester sludge was 0.26 +/- 0.03 and 0.29 +/- 0.03 g CH4 COD/(g VSS d), respectively. The methanogenic community analysis revealed an overall dominance of the acetoclastic Methanosaetaceae and the hydrogenotrophic Methanomicrobiales during the operation between 10-20 degrees C. The results of the UASB-digester treating domestic wastewater at 10-20 degrees C as reported in this paper provide support for application of anaerobic domestic wastewater treatment in moderate climate zones.
Keywords
UASB-digester, Low temperature, Domestic wastewater treatment, Specific methanogenic activity, Microbial community, GRADIENT GEL-ELECTROPHORESIS, 16S RIBOSOMAL-RNA, LOW-TEMPERATURE, SEWAGE-TREATMENT, NUTRIENT RECOVERY, DISSOLVED METHANE, MUNICIPAL SEWAGE, PRE-HYDROLYSIS, REACTOR, REMOVAL

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Chicago
Zhang, Lei, Jo De Vrieze, Tim LG Hendrickx, Wei Wei, Hardy Temmink, Huub Rijnaarts, and Grietje Zeeman. 2018. “Anaerobic Treatment of Raw Domestic Wastewater in a UASB-digester at 10 °C and Microbial Community Dynamics.” Chemical Engineering Journal 334: 2088–2097.
APA
Zhang, Lei, De Vrieze, J., Hendrickx, T. L., Wei, W., Temmink, H., Rijnaarts, H., & Zeeman, G. (2018). Anaerobic treatment of raw domestic wastewater in a UASB-digester at 10 °C and microbial community dynamics. CHEMICAL ENGINEERING JOURNAL, 334, 2088–2097.
Vancouver
1.
Zhang L, De Vrieze J, Hendrickx TL, Wei W, Temmink H, Rijnaarts H, et al. Anaerobic treatment of raw domestic wastewater in a UASB-digester at 10 °C and microbial community dynamics. CHEMICAL ENGINEERING JOURNAL. 2018;334:2088–97.
MLA
Zhang, Lei, Jo De Vrieze, Tim LG Hendrickx, et al. “Anaerobic Treatment of Raw Domestic Wastewater in a UASB-digester at 10 °C and Microbial Community Dynamics.” CHEMICAL ENGINEERING JOURNAL 334 (2018): 2088–2097. Print.
@article{8553295,
  abstract     = {Direct a naerobic treatment of domestic wastewater is becoming attractive as it can change a wastewater treatment plant from energy consuming to energy producing. A pilot scale UASB-digester was studied to treat domestic wastewater at temperatures of 10-20 degrees C and an HRT of 6 h. The results show a stable chemical oxygen demand (COD) removal efficiency of 60 +/- 4.6\% during the operation at 12.5-20 degrees C. COD removal efficiency decreased to 51.5 +/- 5.5\% at 10 degrees C as a result of insufficient methanogenic capacity caused by low temperature and increased influent COD load (from 2.0 g/(L.d) to 3.0 g/(L.d)). Suspended COD removal was 76.0 +/- 9.1\% at 10-20 degrees C. Soluble COD removal fluctuated due to variation of the influent COD concentration, but the effluent COD concentration remained 90 +/- 23 mg/L at temperatures between 12.5 and 20 degrees C. The methane production was 39.7 +/- 4.4\% of the influent COD, which was 80\% of influent biological methane potential. The specific methanogenic activity of the UASB sludge and the digester sludge was 0.26 +/- 0.03 and 0.29 +/- 0.03 g CH4 COD/(g VSS d), respectively. The methanogenic community analysis revealed an overall dominance of the acetoclastic Methanosaetaceae and the hydrogenotrophic Methanomicrobiales during the operation between 10-20 degrees C. The results of the UASB-digester treating domestic wastewater at 10-20 degrees C as reported in this paper provide support for application of anaerobic domestic wastewater treatment in moderate climate zones.},
  author       = {Zhang, Lei and De Vrieze, Jo and Hendrickx, Tim LG and Wei, Wei and Temmink, Hardy and Rijnaarts, Huub and Zeeman, Grietje},
  issn         = {1385-8947},
  journal      = {CHEMICAL ENGINEERING JOURNAL},
  keyword      = {UASB-digester,Low temperature,Domestic wastewater treatment,Specific methanogenic activity,Microbial community,GRADIENT GEL-ELECTROPHORESIS,16S RIBOSOMAL-RNA,LOW-TEMPERATURE,SEWAGE-TREATMENT,NUTRIENT RECOVERY,DISSOLVED METHANE,MUNICIPAL SEWAGE,PRE-HYDROLYSIS,REACTOR,REMOVAL},
  language     = {eng},
  pages        = {2088--2097},
  title        = {Anaerobic treatment of raw domestic wastewater in a UASB-digester at 10 {\textdegree}C and microbial community dynamics},
  url          = {http://dx.doi.org/10.1016/j.cej.2017.11.073},
  volume       = {334},
  year         = {2018},
}

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