我国城镇污水处理厂污泥产率系数现状及影响因素分析
X708; 以我国城镇污水处理厂生态环境统计和监测数据为基础,分析了我国城镇污水处理厂经验污泥产率系数(YQ)和以去除COD导致的污泥增殖来计算的污泥产率系数(YCOD),研究了进水COD、设计处理规模、处理工艺、区域分布等单一因素以及多因素与污泥产率系数的响应关系.结果表明,我国城镇污水处理厂YQ平均值为1.33×10-4 t/m3,YCOD平均值为0.81 kg/kg,YQ、YCOD总体呈正偏态分布;YQ平均值与进水COD、设计处理规模正相关,YCOD平均值与进水COD、设计处理规模负相关;YQ、YCOD平均值对应的COD区间范围为 150～250 mg/L,设计处理规模为 1×104～1...
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| Published in | 工业水处理 Vol. 44; no. 3; pp. 24 - 29 |
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| Main Authors | , , , , , |
| Format | Journal Article |
| Language | Chinese |
| Published |
中国环境监测总站,国家环境保护环境监测质量控制重点实验室,北京 100012%中城院(北京)环境科技股份有限公司,北京 100120
20.03.2024
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| Subjects | |
| Online Access | Get full text |
| ISSN | 1005-829X |
| DOI | 10.19965/j.cnki.iwt.2023-0236 |
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| Abstract | X708; 以我国城镇污水处理厂生态环境统计和监测数据为基础,分析了我国城镇污水处理厂经验污泥产率系数(YQ)和以去除COD导致的污泥增殖来计算的污泥产率系数(YCOD),研究了进水COD、设计处理规模、处理工艺、区域分布等单一因素以及多因素与污泥产率系数的响应关系.结果表明,我国城镇污水处理厂YQ平均值为1.33×10-4 t/m3,YCOD平均值为0.81 kg/kg,YQ、YCOD总体呈正偏态分布;YQ平均值与进水COD、设计处理规模正相关,YCOD平均值与进水COD、设计处理规模负相关;YQ、YCOD平均值对应的COD区间范围为 150～250 mg/L,设计处理规模为 1×104～1×105 m3/d的污水处理厂YQ、YCOD与平均值最为接近,相对偏差分别为2.8%、-4.3%;A2/O工艺、氧化沟类、普通活性污泥法、A/O工艺的YQ、YCOD与平均值接近,相对偏差范围分别为-1.8%～1.9%、-2.3%～5.8%;华东和华中地区的YQ,华东、西南地区YCOD与平均值基本持平;多因素方差分析显示进水COD为YQ和YCOD的显著影响因素. |
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| AbstractList | X708; 以我国城镇污水处理厂生态环境统计和监测数据为基础,分析了我国城镇污水处理厂经验污泥产率系数(YQ)和以去除COD导致的污泥增殖来计算的污泥产率系数(YCOD),研究了进水COD、设计处理规模、处理工艺、区域分布等单一因素以及多因素与污泥产率系数的响应关系.结果表明,我国城镇污水处理厂YQ平均值为1.33×10-4 t/m3,YCOD平均值为0.81 kg/kg,YQ、YCOD总体呈正偏态分布;YQ平均值与进水COD、设计处理规模正相关,YCOD平均值与进水COD、设计处理规模负相关;YQ、YCOD平均值对应的COD区间范围为 150～250 mg/L,设计处理规模为 1×104～1×105 m3/d的污水处理厂YQ、YCOD与平均值最为接近,相对偏差分别为2.8%、-4.3%;A2/O工艺、氧化沟类、普通活性污泥法、A/O工艺的YQ、YCOD与平均值接近,相对偏差范围分别为-1.8%～1.9%、-2.3%～5.8%;华东和华中地区的YQ,华东、西南地区YCOD与平均值基本持平;多因素方差分析显示进水COD为YQ和YCOD的显著影响因素. |
| Abstract_FL | Based on the ecological environmental statistics and monitoring datas of municipal wastewater treatment plants in China,the empirical sludge yield coefficient(YQ)and the sludge yield coefficient(YCOD)calculated based on the sludge proliferation caused by the removal of COD in municipal wastewater treatment plants in China were analyzed,and the response relationships between single factor such as influent COD,design treatment scale,treatment process,regional distribution and sludge yield coefficient,as well as response relationships between multiple factors and sludge yield coefficient were studied.The results showed that the average of YQ of municipal wastewater treatment plants in China was 1.33×10-4 t/m3 and the average of YCOD was 0.81 kg/kg.YQ and YCOD showed positive skewed distribution in general.The average of YQ was positively correlated with COD in influent and design treatment scale,meanwhile the average of YCOD was negatively correlated with COD in influent and design treatment scale.The COD range corresponding to the average values of YQ and YCOD was 150-250 mg/L.YQ and YCOD for wastewater treatment plants with design treatment scale of 1×104-1×105 m3/d were the closest to the overall national average,with relative deviations of 2.8%and-4.3%re-spectively.YQ and YCOD of A2/O process,oxidation ditch type,ordinary activated sludge method and A/O process were close to the overall national average,with relative deviations ranging from-1.8%-1.9%and-2.3%-5.8%respectively.YQ of East China and Central China,YCOD of East China and Southwest China were basically the same as the national average.The COD in influent was the most significant influencing factor for YQ and YCOD through using multifactor analysis of variance. |
| Author | 陈敏敏 邱立莉 刘杰 敬红 李莉娜 杨伟伟 |
| AuthorAffiliation | 中国环境监测总站,国家环境保护环境监测质量控制重点实验室,北京 100012%中城院(北京)环境科技股份有限公司,北京 100120 |
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| Author_FL | LI Li'na JING Hong CHEN Minmin QIU Lili YANG Weiwei LIU Jie |
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| Keywords | multifactor analysis of variance municipal wastewater treatment plants 城镇污水处理厂 影响因素 sludge yield coefficient 污泥产率系数 多因素方差分析 influencing factor |
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| Title | 我国城镇污水处理厂污泥产率系数现状及影响因素分析 |
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