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给水污泥有机组分表征与碳排放核算探讨

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给水污泥中的有机组分影响其资源化利用效果.选取4 座给水厂的污泥,对比了其有机组分的不同表征方法并探讨了碳排放核算参数.当以干基计量时,烧失量、总有机碳(TOC)、总化学需氧量(TCOD)、溶解性化学需氧量(SCOD)之间无显著相关性,但是以湿基计量时,烧失量、TOC和TCOD两两之间显著相关,且含水率与SCOD也存在显著相关性.在计算给水污泥直接碳排放量时,不仅可以使用COD及其修正系数计算可降解有机碳(DOC),还可以通过TOC直接表征DOC.
Characterization of Organic Components in Water Supply Sludge and Analysis of Carbon Emission Accounting
The organic components in water supply sludge significantly impact its potential for resource utilization.In this study,sludge from four water treatment plants(WTPs)was selected to compare various methods for characterizing their organic components and investigate parameters for calculating carbon emissions.When measured on a dry basis,there were no significant correlations among the loss on ignition,total organic carbon(TOC),total chemical oxygen demand(TCOD),and soluble chemical oxygen demand(SCOD).However,on a wet basis,there were significant correlations among the loss on ignition,TOC,and TCOD,with an additional significant correlation between moisture content and SCOD.When calculating the direct carbon emissions from water treatment sludge,one could use COD and its correction coefficient to estimate degradable organic carbon(DOC),and TOC could also be used as a direct representation of DOC.

water supply sludgeorganic mattercarbon emissionloss on ignitiontotal organic carbonchemical oxygen demand

韩小蒙、马艳、叶辉、武珉辉、郭恰

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上海城市水资源开发利用国家工程中心有限公司,上海 200082

给水污泥 有机物 碳排放 烧失量 总有机碳 化学需氧量

上海市科技创新行动计划启明星项目上海市自然科学基金面上项目上海市"科技创新行动计划"项目上海城投(集团)有限公司科技创新计划项目上海城投(集团)有限公司科技创新计划项目

22QB140160023ZR142120021DZ1210002CTKY-PTZX-2023-020CTKY-ZDZX-2022-003

2024

10.3969/j.issn.1673-9353.2024.05.001

供水技术
天津市自来水集团有限公司

供水技术

影响因子：0.293
ISSN：1673-9353
年,卷(期)：2024.18(5)