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Temperature effects on the methanogenesis enhancement and sulfidogenesis suppression in the UASB treatment of sulfate-rich methanol wastewater
Wu, Jiang; Liu, Quanli; Feng, Bo; Kong, Zhe; Jiang, Bo; Li, Yu-You
2019-08-01
Source PublicationINTERNATIONAL BIODETERIORATION & BIODEGRADATION
ISSN0964-8305
Volume142Pages:182-190
AbstractThis study aims at investigating that the temperature effects on the overall organics removal capability and the reaction kinetic properties of methanogenesis/sulfidogenesis in anaerobic treatment of sulfate-rich methanol wastewater. A lab-scale upflow anaerobic sludge blanket (UASB) reactor was operated for 285 days treating sulfate-rich methanol wastewater at a temperature range of 17.5-50 degrees C. The COD/SO42- ratio of synthetic wastewater is 0.5. Experimental results indicate that both methanogens and sulfidogens showed lower metabolic activities at 17.5-25 degrees C. The average chemical oxygen demand (COD) removal efficiencies were higher than 90% at 40-50 degrees C. During these experimental periods, larger than 85% of influent COD was confirmed to be utilized for methanogenesis, revealing that methanogens prevailed over sulfidogens and dominated significantly in the COD utilization. In contrast, the sulfidogenesis-based COD utilization was effectively limited under the temperature range of 40-50 degrees C.
Department环境水质学国家重点实验室
KeywordTemperature UASB reactor Sulfate-rich methanol wastewater Methanogenesis enhancement Sulfidogenesis suppression
Document Type期刊论文
Identifierhttp://ir.rcees.ac.cn/handle/311016/42674
Collection环境水质学国家重点实验室
Affiliation1.Tohoku Univ, Grad Sch Engn, Dept Civil & Environm Engn, Aoba Ward, 6-6-06 Aza Aoba, Sendai, Miyagi 9808579, Japan
2.Chinese Acad Sci, Res Ctr Ecoenvironm Sci, State Key Lab Environm Aquat Chem, Beijing 100085, Peoples R China
3.Tohoku Univ, Grad Sch Environm Studies, Aoba Ward, 6-6-06 Aza Aoba, Sendai, Miyagi 9808579, Japan
Recommended Citation
GB/T 7714
Wu, Jiang,Liu, Quanli,Feng, Bo,et al. Temperature effects on the methanogenesis enhancement and sulfidogenesis suppression in the UASB treatment of sulfate-rich methanol wastewater[J]. INTERNATIONAL BIODETERIORATION & BIODEGRADATION,2019,142:182-190.
APA Wu, Jiang,Liu, Quanli,Feng, Bo,Kong, Zhe,Jiang, Bo,&Li, Yu-You.(2019).Temperature effects on the methanogenesis enhancement and sulfidogenesis suppression in the UASB treatment of sulfate-rich methanol wastewater.INTERNATIONAL BIODETERIORATION & BIODEGRADATION,142,182-190.
MLA Wu, Jiang,et al."Temperature effects on the methanogenesis enhancement and sulfidogenesis suppression in the UASB treatment of sulfate-rich methanol wastewater".INTERNATIONAL BIODETERIORATION & BIODEGRADATION 142(2019):182-190.
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