三峡库区重庆市内重点工业园区氮、磷排放特征

曹伟; 秦延文; 马迎群; 杨晨晨; 刘志超

doi:10.3969/j.issn.1674-991X.2018.06.082

三峡库区重庆市内重点工业园区氮、磷排放特征

doi: 10.3969/j.issn.1674-991X.2018.06.082

中国环境科学研究院流域水环境综合管理研究室,北京 100012

详细信息

作者简介:
作者简介:曹伟(1984—),女,硕士,主要从事污染物环境化学方面的研究,caowei@craes.org.cn

通讯作者:
秦延文 E-mail: qinyw@craes.org.cn

中图分类号: X524;
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出版历程
- 收稿日期: 2018-07-21
- 刊出日期: 2018-11-20

Characteristics of nitrogen and phosphorus discharge of main industrial parks in Chongqing in Three Gorges Reservoir Area

Water Environment Management and Research Center, Chinese Research Academy of Environmental Sciences, Beijing 100012, China

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Corresponding author: 秦延文 E-mail: qinyw@craes.org.cn

摘要

摘要: 为了解三峡库区重点工业园污水排放现状,以重庆长寿工业园区、涪陵工业园区和万州工业园区为研究对象,对园区各主要污水处理厂排水口、排污口、入库河流以及毗邻长江干流的48个采样点进行取样并分析水质。结果表明:污水处理厂排水口$NH^{+}_{4}$-N、TN和TP年均浓度分别为2.58、13.91和0.43 mg/L;园区排污口$NH^{+}_{4}$-N、TN和TP浓度分别为18.88、29.38和4.42 mg/L;主要入库河流$NH^{+}_{4}$-N、TN和TP浓度分别为5.48、12.89和0.78 mg/L;毗邻长江干流$NH^{+}_{4}$-N、TN和TP浓度分别为0.32、5.12和0.22 mg/L。工业园区主要污水处理厂排水口及排污口氮、磷污染非常严重,是毗邻长江干流水体中的1.93~59.59倍,说明外源污染的输入对库区水质有影响。建议重庆市合理规划工业园区建设,严格控制不同工业行业废水达标排放,减少入河污染负荷,降低库区水环境风险。
- 三峡库区 /
- 工业园区 /
- 污水排放 /
- 氮、磷污染
Abstract: In order to clarify the sewage discharge status of key industrial parks in the Three Gorges Reservoir Area, with Changshou chemical park, Fuling industrial Park and Wanzhou industrial park as the key research objects, a total of 48 water samples were collected and analyzed from the drainage channels of sewage treatment plants, the main sewage outlets, the streams into the reservoir and the mainstream of the Yangtze River. The results showed that the concentrations of $NH^{+}_{4}$-N, TN and TP in the water of the drainage channels of sewage treatment plants were 2.58, 13.91 and 0.43 mg/L, the concentrations of $NH^{+}_{4}$-N, TN and TP in the water of main sewage outlets were 18.88, 29.38 and 4.42 mg/L, the concentrations of $NH^{+}_{4}$-N, TN and TP in the water of the stream into the reservoir were 5.48, 12.89 and 0.78 mg/L, the concentrations of $NH^{+}_{4}$-N, TN and TP in the water of the main stream were 0.32, 5.12 and 0.22 mg/L, respectively. The nitrogen and phosphorus concentrations of the main sewage outlets and the stream into the reservoir were 1.93-59.59 times higher than that of Yangtze River main stream water body, which showed that the nutrient salt input characteristics were remarkable to the water quality of the reservoir area. It was suggested that Chongqing City should plan the construction of industrial parks reasonably, control the discharge of industrial wastewater of different industries strictly, reduce the total amount of pollutants entering the river, and reduce the water environment risk in the reservoir area.
- Three Gorges Reservoir Area /
- industrial parks /
- sewage discharge /
- nitrogen and phosphorus pollution

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