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.
基于城鎮(zhèn)污水處理全流程環(huán)節(jié)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:- 我國不僅尚未獨立開展城鎮(zhèn)污水處理各子單元的溫室氣體清單研究，而且有關污水處理各個系統(tǒng)的溫室氣體估算數(shù)據(jù)研究也較少。結合“全國城鎮(zhèn)污水處理信息管理系統(tǒng)”大數(shù)據(jù)平臺，以城鎮(zhèn)污水處理行業(yè)節(jié)能減排為目標導向，構建了污水處理系統(tǒng)全流程節(jié)能減排綜合測算模型。通過模型測算了3個實例污水處理廠提標前后的碳排放變化情況并識別出主要控制環(huán)節(jié)，結果表明，適當提高污水排放標準，可有效降低污水處理廠各流程環(huán)節(jié)產生的碳排量，但進一步提高出水標準將會使污水廠在能源、資源及溫室氣體排放等方面產生不利的影響。
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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