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Reduction of Carbon Emissions in Wastewater Treatment Plants: An Overview of Innovative Technologies

Shan Wang*, Jianping Cao, Yin Liu, Ran He, Bing Du

Abstract


Global climate change is largely driven by greenhouse gas emissions, with the wastewater treatment sector being a significant contributor. This review examines technologies that reduce emissions, enhance energy efficiency, and promote resource recovery in wastewater
treatment plants (WWTPs). Key strategies include process optimization, low-carbon technologies, and renewable energy integration. Technologies such as High-Rate Activated Sludge (HRAS), anaerobic digestion, and combined heat and power (CHP) are crucial for carbon reduction
and energy self-sufficiency. The shift towards a circular economy, viewing wastewater as a resource, offers further opportunities for reducing
environmental impacts. Future research should focus on scaling these technologies and developing policies for broader adoption.

Keywords


Carbon Reduction; Wastewater Treatment Plants; Emerging Technologies; Carbon Neutrality; Greenhouse Gas Emissions; Energy Efficiency; Resource Recovery; Combined Heat and Power (CHP); Renewable Energy

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References


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[3] Hao, X. Case Studies on Energy and Carbon Neutrality in Wastewater Treatment [J]. China Water & Wastewater, 2021, 37: 1-8.

[4] E20 Environmental Industry Circle. Compilation of Outstanding Case Studies in the Water Industry.

[5] Tang, J., Xie, J., Chen, Z., et al. Carbon Neutral Technologies and Case Studies for Urban Wastewater Treatment Plants [J]. Chemical

Industry and Engineering Progress, 2022, 41, 2662-2671.




DOI: http://dx.doi.org/10.70711/frim.v2i11.5546

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