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Article

Application of Fenton Method for the Removal of Organic Matter in Sewage Sludge at Room Temperature

1
Institute of Environmental Engineering and Management, College of Engineering, National Taipei University of Technology, Taipei 10608, Taiwan
2
Institute of Mineral Resources Engineering, College of Engineering, National Taipei University of Technology, Taipei 10608, Taiwan
3
Department of Occupational Safety and Health, College of Public Health, China Medical University, Taichung 40402, Taiwan
4
School of Energy and Environmental Engineering, Beijing Key Laboratory of Resource-oriented Treatment of Industrial Pollutants, University of Science and Technology Beijing, Beijing 100083, China
*
Authors to whom correspondence should be addressed.
Sustainability 2020, 12(4), 1518; https://doi.org/10.3390/su12041518
Received: 30 December 2019 / Revised: 13 February 2020 / Accepted: 17 February 2020 / Published: 18 February 2020
(This article belongs to the Special Issue EARTH 2019-Green Technologies for Resources and Materials Recycling)
Cement is the most widely used construction material in the world. However, its manufacture is high energy consumption and high carbon emission owing to the high temperature calcination process. Geopolymer is an ideal alternative material for cement because it has a similar structure and performance to cement. In addition, it can be synthesized at room temperature and thus has the advantages of energy saving and carbon emission reduction. Sewage sludge (SS) can be used as raw material for geopolymer synthesis. However, the high organic matter content in SS lowers the mechanical strength of geopolymer. Although the organic matter in SS can be removed by incineration at high temperature, this consumes energy and emits carbon dioxide, which diminishes the advantages of geopolymer. In this study, the Fenton method was applied for the removal of organic matter in SS at room temperature. The parameters of the Fenton method, including the dosages of hydrogen peroxide (H2O2) and Fe2+ reagent (FeSO4·7H2O), reaction time, and initial pH value, were investigated. The results indicated that 83.7% of the organic matter in SS could be removed at room temperature by using 5.15 M H2O2 and 5.15 mM FeSO4·7H2O at pH 7, which suggested the possibility of sewage sludge reclamation through geopolymer synthesis as an alternative material for cement toward sustainability. View Full-Text
Keywords: sewage sludge; organic matter; removal; Fenton method; geopolymer sewage sludge; organic matter; removal; Fenton method; geopolymer
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MDPI and ACS Style

Chen, Y.-J.; Fan, T.-Y.; Wang, L.-P.; Cheng, T.-W.; Chen, S.-S.; Yuan, M.-H.; Cheng, S. Application of Fenton Method for the Removal of Organic Matter in Sewage Sludge at Room Temperature. Sustainability 2020, 12, 1518. https://doi.org/10.3390/su12041518

AMA Style

Chen Y-J, Fan T-Y, Wang L-P, Cheng T-W, Chen S-S, Yuan M-H, Cheng S. Application of Fenton Method for the Removal of Organic Matter in Sewage Sludge at Room Temperature. Sustainability. 2020; 12(4):1518. https://doi.org/10.3390/su12041518

Chicago/Turabian Style

Chen, Yan-Jhang, Tang-Yu Fan, Li-Pang Wang, Ta-Wui Cheng, Shiao-Shing Chen, Min-Hao Yuan, and Shikun Cheng. 2020. "Application of Fenton Method for the Removal of Organic Matter in Sewage Sludge at Room Temperature" Sustainability 12, no. 4: 1518. https://doi.org/10.3390/su12041518

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