Performance of a pilot-scale sewage treatment: An up-flow anaerobic sludge blanket (UASB) and a down-flow hanging sponge (DHS) reactors combined system by sulfur-redox reaction process under low-temperature conditions

Masanobu Takahashi; Takashi Yamaguchi; Yoshiharu Kuramoto; Akihiro Nagano; Satoshi Shimozaki; Haruhiko Sumino; Nobuo Araki; Shinichi Yamazaki; Shuji Kawakami; Hideki Harada

doi:10.1016/j.biortech.2010.08.081

Performance of a pilot-scale sewage treatment: An up-flow anaerobic sludge blanket (UASB) and a down-flow hanging sponge (DHS) reactors combined system by sulfur-redox reaction process under low-temperature conditions

Masanobu Takahashi, Takashi Yamaguchi, Yoshiharu Kuramoto, Akihiro Nagano, Satoshi Shimozaki, Haruhiko Sumino, Nobuo Araki, Shinichi Yamazaki, Shuji Kawakami, Hideki Harada

New Industry Creation Hatchery Center (NICHe)

Research output: Contribution to journal › Article › peer-review

30 Citations (Scopus)

Abstract

Performance of a wastewater treatment system utilizing a sulfur-redox reaction of microbes was investigated using a pilot-scale reactor that was fed with actual sewage. The system consisted of an up-flow anaerobic sludge blanket (UASB) reactor and a down-flow hanging sponge (DHS) reactor with a recirculation line. Consequently, the total COD_Cr (465±147mgL^-1; total BOD of 207±68mgL^-1) at the influent was reduced (70±14mgL^-1; total BOD of 9±2mgL^-1) at the DHS effluent under the conditions of an overall hydraulic retention time of 12h, a recirculation ratio of 2, and a low-sewage temperature of 7.0±2.8°C. A microbial analysis revealed that sulfate-reducing bacteria contributed to the degradation of organic matter in the UASB reactor even in low temperatures. The utilized sulfur-redox reaction is applicable for low-strength wastewater treatment under low-temperature conditions.

Original language	English
Pages (from-to)	753-757
Number of pages	5
Journal	Bioresource Technology
Volume	102
Issue number	2
DOIs	https://doi.org/10.1016/j.biortech.2010.08.081
Publication status	Published - 2011 Jan

Keywords

Actual sewage
DHS
Sulfur-redox reaction
UASB

ASJC Scopus subject areas

Bioengineering
Environmental Engineering
Renewable Energy, Sustainability and the Environment
Waste Management and Disposal

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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Takahashi, M., Yamaguchi, T., Kuramoto, Y., Nagano, A., Shimozaki, S., Sumino, H., Araki, N., Yamazaki, S., Kawakami, S., & Harada, H. (2011). Performance of a pilot-scale sewage treatment: An up-flow anaerobic sludge blanket (UASB) and a down-flow hanging sponge (DHS) reactors combined system by sulfur-redox reaction process under low-temperature conditions. Bioresource Technology, 102(2), 753-757. https://doi.org/10.1016/j.biortech.2010.08.081

Performance of a pilot-scale sewage treatment : An up-flow anaerobic sludge blanket (UASB) and a down-flow hanging sponge (DHS) reactors combined system by sulfur-redox reaction process under low-temperature conditions. / Takahashi, Masanobu; Yamaguchi, Takashi; Kuramoto, Yoshiharu; Nagano, Akihiro; Shimozaki, Satoshi; Sumino, Haruhiko; Araki, Nobuo; Yamazaki, Shinichi; Kawakami, Shuji; Harada, Hideki.

In: Bioresource Technology, Vol. 102, No. 2, 01.2011, p. 753-757.

Research output: Contribution to journal › Article › peer-review

Takahashi, M, Yamaguchi, T, Kuramoto, Y, Nagano, A, Shimozaki, S, Sumino, H, Araki, N, Yamazaki, S, Kawakami, S & Harada, H 2011, 'Performance of a pilot-scale sewage treatment: An up-flow anaerobic sludge blanket (UASB) and a down-flow hanging sponge (DHS) reactors combined system by sulfur-redox reaction process under low-temperature conditions', Bioresource Technology, vol. 102, no. 2, pp. 753-757. https://doi.org/10.1016/j.biortech.2010.08.081

Takahashi M, Yamaguchi T, Kuramoto Y, Nagano A, Shimozaki S, Sumino H et al. Performance of a pilot-scale sewage treatment: An up-flow anaerobic sludge blanket (UASB) and a down-flow hanging sponge (DHS) reactors combined system by sulfur-redox reaction process under low-temperature conditions. Bioresource Technology. 2011 Jan;102(2):753-757. https://doi.org/10.1016/j.biortech.2010.08.081

Takahashi, Masanobu ; Yamaguchi, Takashi ; Kuramoto, Yoshiharu ; Nagano, Akihiro ; Shimozaki, Satoshi ; Sumino, Haruhiko ; Araki, Nobuo ; Yamazaki, Shinichi ; Kawakami, Shuji ; Harada, Hideki. / Performance of a pilot-scale sewage treatment : An up-flow anaerobic sludge blanket (UASB) and a down-flow hanging sponge (DHS) reactors combined system by sulfur-redox reaction process under low-temperature conditions. In: Bioresource Technology. 2011 ; Vol. 102, No. 2. pp. 753-757.

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Performance of a pilot-scale sewage treatment: An up-flow anaerobic sludge blanket (UASB) and a down-flow hanging sponge (DHS) reactors combined system by sulfur-redox reaction process under low-temperature conditions

Abstract

Keywords

ASJC Scopus subject areas

UN SDGs

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