生态塘链对农村畜禽养殖尾水的深度净化效果

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英文篇名：Deep purification effect of ecological pond chain on tail water of rural livestock and poultry breeding in rural areas 作者：汪涛 ; 夏伟 ; 雷俊山 ; 王超 英文作者：WANG Tao;XIA Wei;LEI Jun-shan;WANG Chao;College of Resources and Environment,Huazhong Agricultural University;Changjiang Water Resources Protection Institute;China Three Gorges University; 关键词：生态塘链 ; 畜禽养殖尾水 ; 深度净化效果 ; 生态塘面积 英文关键词：ecological pond chain;;tail water in poultry farms;;deep purification effect;;ecological pond area 中文刊名：HBNY 英文刊名：Hubei Agricultural Sciences 机构：华中农业大学资源与环境学院;长江水资源保护科学研究所;三峡大学; 出版日期：2019-05-25 出版单位：湖北农业科学 年：2019 期：v.58;No.631 基金：水利部技术示范项目(SF-201708) 语种：中文; 页：HBNY201910015 页数：6 CN：10 ISSN：42-1255/S 分类号：64-69

摘要

通过系统监测分析氮、磷等主要污染物时空变化特征,发现生态塘链对农村畜禽养殖尾水具有较好的深度净化效果。生态塘链对总氮和氨氮的平均去除率均能超过80%,对总磷的整体去除率在80%左右,对高锰酸盐指数的去除率接近40%。总氮和氨氮的出水浓度基本低于2.5 mg/L,优于国家一级A标准;总磷排放浓度部分低于1 mg/L,达到了国家一级B标准。生态塘面积是影响去除率的主要因素,温度对总氮、氨氮的去除效果影响非常显著,但对高锰酸盐指数去除率的影响不明显。
        By systematically monitoring and analyzing the temporal and spatial characteristics of nitrogen and phosphorus and other main pollutants, it was found that the ecological pond chain had a better deep purification effect on the tail water of livestock and poultry breeding in rural areas. The average removal rate of total nitrogen and ammonia nitrogen in the ecological pond chain could exceed 80%, the overall removal rate of total phosphorus was about 80%, and the removal rate of permanganate index was close to 40%. The effluent concentration of total nitrogen and ammonia nitrogen were basically lower than 2.5 mg/L, which were superior to the national Grade A standard; The total phosphorus emission concentration was lower than 1 mg/L, reaching the national Class I B standard. The area of ecological ponds was the main factor affecting the removal rate, and the effect of temperature on the removal of total nitrogen and ammonia nitrogen were very significant, but the effect on the removal rate of permanganate index was not obvious.

引文

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