Application of Hydrothermal Treatment to High Concentrated Sewage Sludge for Anaerobic Digestion Process

M. Orikawa; H. Kamahara; Y. Atsuta; H. Daimon

doi:10.14710/ijred.2.3.165-168

DOI: https://doi.org/10.14710/ijred.2.3.165-168

Application of Hydrothermal Treatment to High Concentrated Sewage Sludge for Anaerobic Digestion Process

M. Orikawa^{1, 2} , H. Kamahara^{1, 2}, Y. Atsuta^{1, 2}, H. Daimon^{1, 2}

¹Department of Environmental and Life Sciences, Toyohashi University of Technology, 1-1 Hibarigaoka, Tempaku-cho, , Japan

²Toyohashi-shi, Aichi, 441-8580, Japan

Published: 30 Oct 2013.

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This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.

BibTex Citation Data :

@article{IJRED5650,
    author = {M. Orikawa and H. Kamahara and Y. Atsuta and H. Daimon},
    title = {Application of Hydrothermal Treatment to High Concentrated Sewage Sludge for Anaerobic Digestion Process},
    journal = {International Journal of Renewable Energy Development},
  volume = {2},
    number = {3},
    year = {2013},
    keywords = {anaerobic reaction; hydrothermal treatment; sewage sludge; solubilization},
    abstract = { Tomato and seaweed were produced by utilizing CO 2  and heat discharged from power generation using biogas in Toyogawa biomass park, Japan. The biogas was obtained by anaerobic digestion with hydrothermal treatment. The hydrothermal treatment was applied to the high concentrated sewage sludge (22 % total solids (TS) dewatered sludge). The purpose of this study is to clarify the effect of hydrothermal treatment on the qualities of high concentrated sewage sludge, by analyzing particulate organic carbon (POC) and dissolved organic carbon (DOC). The hydrothermal treatment was investigated under 10-60 min of treatment time, 180-200 °C of temperature, 10-22 %-TS of sewage sludge concentration. The results showed that the DOC in each conditions increased through hydrothermal treatment. The highest DOC obtained was 67 % of total carbon concentration, when the temperature was 180 °C, treatment time was 60 min and sewage sludge concentration was 10 %-TS. Furthermore, the viscosity of treated sewage sludge was decreased by hydrothermal treatment. In batch anaerobic digestion test, methane gas production was confirmed. In addition, this study evaluated the energy balance of this system. Thus, the results of this study indicated that the possibility of application of hydrothermal treatment to high concentrated sewage sludge for anaerobic digestion process.    },
   pages = {165--168}  doi = {10.14710/ijred.2.3.165-168},
    url = {https://ejournal.undip.ac.id/index.php/ijred/article/view/5650}
}

Citation Format:

Abstract

Tomato and seaweed were produced by utilizing CO₂ and heat discharged from power generation using biogas in Toyogawa biomass park, Japan. The biogas was obtained by anaerobic digestion with hydrothermal treatment. The hydrothermal treatment was applied to the high concentrated sewage sludge (22 % total solids (TS) dewatered sludge). The purpose of this study is to clarify the effect of hydrothermal treatment on the qualities of high concentrated sewage sludge, by analyzing particulate organic carbon (POC) and dissolved organic carbon (DOC). The hydrothermal treatment was investigated under 10-60 min of treatment time, 180-200 °C of temperature, 10-22 %-TS of sewage sludge concentration. The results showed that the DOC in each conditions increased through hydrothermal treatment. The highest DOC obtained was 67 % of total carbon concentration, when the temperature was 180 °C, treatment time was 60 min and sewage sludge concentration was 10 %-TS. Furthermore, the viscosity of treated sewage sludge was decreased by hydrothermal treatment. In batch anaerobic digestion test, methane gas production was confirmed. In addition, this study evaluated the energy balance of this system. Thus, the results of this study indicated that the possibility of application of hydrothermal treatment to high concentrated sewage sludge for anaerobic digestion process.

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Keywords: anaerobic reaction; hydrothermal treatment; sewage sludge; solubilization

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Section: Original Research Article

Language : EN

In Vol 2, No 3 (2013): October 2013

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Ministry of the Environment.. Report of present Industrial waste treatment 2011. URL http://www.env.go.jp/recycle/ waste/sangyo/sangyo_h-21a.pdf. Accessed on 16 December 2012
Ohmura, T., Ukai, N., Horizoe, K., Sato, J., Ueda, R. & Horizoe, H. (2004) A Study on Hydrothemal Enhancement of Sewage Sludge Anaerobic Digestion. Mitsubishi Heavy Industries Technical Review, 41, 220-223
Hujimoto, S., Yanagida, T., Sakanishi, K., & Minowa, T. (2006) Powderization of sewage sludge by hydrothermal treatment. In Twelfth Fluidization and Particle Processing Symposiumu, 265-269. Tsukuba center, Ibaraki, Japan. : Fluidization and Particle Processing Symposium
Tania, F.C., Ricardo, I., Montserrat, P., Clarita, S., in Ackmez, M. ed. (2013) Biogas Production-Pretreatment Methods in Anaerobic Digestion. Wiley-Scrivener
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Kobayashi, S., Nomura, S., Hujimura, Y., Tsuboi, H., Kimoto, K., Itaya, Y. (2011) Effects of hydrothermal treatment on sewage sludge treatment residues characteristics. Kagaku Kogaku Ronbunsyu, 37, 460-467
Mitsubishi Nagasaki Mashinery MFG. CO., LTD. (October 2012). URL http://www.mnm.co.jp/product/kankyo/sewage-grime.html. Accessed on 12 December 2012

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Application of Hydrothermal Treatment to High Concentrated Sewage Sludge for Anaerobic Digestion Process

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