ZHANG Yue,GE Tong-gang,SUN Yong-li,et al.Research on Carbon Emission Model Based on the Whole Process of Urban Sewage Treatment[J].China Water & Wastewater,2021,37(9):65-74.
基于城镇污水处理全流程环节的碳排放模型研究
- Title:
- Research on Carbon Emission Model Based on the Whole Process of Urban Sewage Treatment
- Keywords:
- sewage treatment; carbon emission; greenhouse gas; emission factor; upgrading and reconstruction
- 摘要:
- 我国不仅尚未独立开展城镇污水处理各子单元的温室气体清单研究，而且有关污水处理各个系统的温室气体估算数据研究也较少。结合“全国城镇污水处理信息管理系统”大数据平台，以城镇污水处理行业节能减排为目标导向，构建了污水处理系统全流程节能减排综合测算模型。通过模型测算了3个实例污水处理厂提标前后的碳排放变化情况并识别出主要控制环节，结果表明，适当提高污水排放标准，可有效降低污水处理厂各流程环节产生的碳排量，但进一步提高出水标准将会使污水厂在能源、资源及温室气体排放等方面产生不利的影响。
- Abstract:
- Not only has China not carried out independent research on greenhouse gas inventory of each sub-unit of urban sewage treatment, but there are also few studies on greenhouse gas estimation data of each sewage treatment system. Combined with the big data platform of “National Urban Sewage Treatment Information Management System” and guided by the goal of energy saving and emission reduction in urban sewage treatment industry, a comprehensive calculation model of energy saving and emission reduction in the whole process of sewage treatment was constructed. Variations in carbon emission of three sewage treatment plants before and after upgrading were calculated by the model and the critical controlling unit was identified. Appropriate raising sewage discharge standard could effectively reduce the carbon emission generated by each link of the sewage treatment plant, but further improvement of effluent standards would have an adverse effect on sewage treatment plants in terms of energy, resources and greenhouse gas emissions.
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