广西某河流流域中小型养殖户污水排放调查及评价
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摘要
2017~2018年对广西某河流流域中小型养殖户污水排放情况和河流水质(7个采样点)进行调查和监测。流域养殖区断面TP、TN、COD以及浊度都显著的高于非养殖区(p<0.05),5月和10月份各监测断面河水污染物的含量显著高于1月(p<0.05)。总体而言,流域中上游水质污染物含量都较低,达到国家地表水II级标准,但中下游区域受养殖污水及部分生活污水影响,超出了国家标准V类水标准。
The discharge of sewage from small and medium-sized farmers and river water quality(7 sampling sites) were Investigated and monitored in River Basin from 2017 to 2018. The TP, TN, COD and turbidity of the culture area were significantly higher than those in the non-culturing area in River Basin(p<0.05), the content of river water pollutants in each monitoring section in May and October was significantly higher than that in January(p<0.05). In general, the water quality pollutants in the upper and middle reaches of the river are relatively low, reaching the national standard for surface water Grade II, but the middle and lower reaches are affected by the aquaculture sewage and some domestic sewage, which exceeds the national standard class V water standard.
The discharge of sewage from small and medium-sized farmers and river water quality(7 sampling sites) were Investigated and monitored in River Basin from 2017 to 2018. The TP, TN, COD and turbidity of the culture area were significantly higher than those in the non-culturing area in River Basin(p<0.05), the content of river water pollutants in each monitoring section in May and October was significantly higher than that in January(p<0.05). In general, the water quality pollutants in the upper and middle reaches of the river are relatively low, reaching the national standard for surface water Grade II, but the middle and lower reaches are affected by the aquaculture sewage and some domestic sewage, which exceeds the national standard class V water standard.
引文
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[3]高廷耀.水污染处理工程[M].北京:高等出版社,2001.
[4]孙福生,王崇臣,曹鹏.环境分析化学实验教程[M].北京:化学工业出版社,2011.
[5]国家环保总局,水和废水监测分析方法编委会.水和废水监测分析方法(第四版)[M].北京:中国环境科学出版社,2009.
[6]吴蔓莉,张崇淼,等.环境分析化学[M].北京:清华大学出版社,2013.
[7]国家环保总局.《地表水环境质量标准》GB3838-2002.
[8]周群英,王士芬,环境工程微生物学[M].北京:高等教育出版社,2015.
[9]蒋展鹏,祝万鹏.环境工程检测(第一版)[M].北京:清华出版社,2005.
[10]Schoonover J E,Lockaby B G,Land C.Impacts on Stream Nutrients and Fecal Coliform in the Lower Piedmont of West Georgia[J].Journal of Hydrology,2006,331(3/4):371-382.