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Characteristics and Resource Recovery Strategies of Solid Waste in Sewerage Systems

Author

Listed:
  • Xiaohui Sun

    (Shenzhen Key Laboratory of Green, High-Efficiency, Intelligent Construction of Underground Metro Station, College of Civil Engineering, Shenzhen University, Shenzhen 518060, China)

  • Junpei He

    (Shenzhen Key Laboratory of Green, High-Efficiency, Intelligent Construction of Underground Metro Station, College of Civil Engineering, Shenzhen University, Shenzhen 518060, China)

  • Wei Lv

    (Shenzhen Shenshui Ecological & Environmental Technology Co., Ltd., Shenzhen 518060, China)

  • Silin Wu

    (School of Architecture and Civil Engineering, Jiangsu University of Science and Technology, Zhenjiang 212100, China)

  • Yongshen Peng

    (Shenzhen Key Laboratory of Green, High-Efficiency, Intelligent Construction of Underground Metro Station, College of Civil Engineering, Shenzhen University, Shenzhen 518060, China)

  • Yuansheng Peng

    (Shenzhen Key Laboratory of Green, High-Efficiency, Intelligent Construction of Underground Metro Station, College of Civil Engineering, Shenzhen University, Shenzhen 518060, China)

  • Jianbo Fei

    (Shenzhen Key Laboratory of Green, High-Efficiency, Intelligent Construction of Underground Metro Station, College of Civil Engineering, Shenzhen University, Shenzhen 518060, China)

  • Zezhou Wu

    (Shenzhen Key Laboratory of Green, High-Efficiency, Intelligent Construction of Underground Metro Station, College of Civil Engineering, Shenzhen University, Shenzhen 518060, China)

Abstract

Sewerage systems-related solid waste accumulates in considerable quantities in urban water systems, including rainwater drainage pipes, pumping stations, grease traps, grit chambers, and septic tanks. Traditional management methods, such as sanitary landfilling, incineration, and composting, not only endanger the environment but also consume a significant amount of land. To address this problem, a variety of waste was collected from a terminal and different facilities in sewerage systems, and the characteristics of solid waste were tested and analyzed. The corresponding appropriate approaches to resource recovery strategies were proposed in detail. The solid waste in the wastewater treatment plant (WWTP) contains low organic matter content and a certain quantity of heavy metals, making recycling difficult. Before the solid waste enters the WWTP, the strategy of pre-sorting, treating, and recycling the solid waste is worth recommending. The waste was divided into three categories based on its nature, and corresponding resource utilization strategies were proposed. A small part of solid waste that is not suitable for pre-recycling can be discharged normally and enter the WWTP for treatment. This paper provides a scientific basis for the green resource utilization of solid waste in the field of sewerage systems in developing countries.

Suggested Citation

  • Xiaohui Sun & Junpei He & Wei Lv & Silin Wu & Yongshen Peng & Yuansheng Peng & Jianbo Fei & Zezhou Wu, 2023. "Characteristics and Resource Recovery Strategies of Solid Waste in Sewerage Systems," Sustainability, MDPI, vol. 15(2), pages 1-15, January.
    • Handle: RePEc:gam:jsusta:v:15:y:2023:i:2:p:1662-:d:1036209
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    References listed on IDEAS

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    1. Piotr Bugajski & Agnieszka Operacz & Dariusz Młyński & Andrzej Wałęga & Karolina Kurek, 2020. "Optimizing Treatment of Cesspool Wastewater at an Activated Sludge Plant," Sustainability, MDPI, vol. 12(23), pages 1-15, December.
    2. Asokan, P. & Saxena, Mohini & Asolekar, Shyam R., 2005. "Coal combustion residues—environmental implications and recycling potentials," Resources, Conservation & Recycling, Elsevier, vol. 43(3), pages 239-262.
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