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

26 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 1

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

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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, 01.01.2011, p. 753-757.

Research output: Contribution to journal › Article

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 1;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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