CHAO Lei,WANG Jian,YOU Tao,et al.Status of Agricultural Processing Waste Water Pollution of the Upper Reaches of the Liaohe and Countermeasures[J].HEILONGJIANG AGRICULTURAL SCIENCES,2016,(04):108-113.[doi:10.11942/j.issn1002-2767.2016.04.0108]
辽河上游地区农副产品加工废水污染现状及对策
- Title:
- Status of Agricultural Processing Waste Water Pollution of the Upper Reaches of the Liaohe and Countermeasures
- 文章编号:
- 1002-2767（2016）04-0108-06
- 分类号:
- X522
- 文献标志码:
- A
- 摘要:
- 为了对减少污染物向辽河的排放，通过对辽河上游铁岭地区工业企业排水水质的调查，农副产品加工废水COD排放量为3 304.99 t，占所有工业废水中COD总含量的79.63%，农副产品加工企业排入到清河中的COD为980.66 t，远高于其它工业的160.67 t，说明农副产品废水对当地水质造成很大污染。并根据国家相关规范和国内外处理实例简述了农副产品加工废水的处理工艺。对比国内外的处理对策，认为将氮磷重新归入土壤系统的资源回收再利用是我国农副产品废水处理科研方面今后重点研究方向。
- Abstract:
- In order to reduce emissions of pollutants into the Liaohe river,through researching the drainage water quality of the industrial enterprises in Tieling,Liaohe river upstream area,COD emissions of agricultural products processing industry wastewater was 3 304.99 t,accounting for 79.63% of all industrial wastewater COD content,the COD of agricultural and sideline products processing enterprises discharged into Qinghe was 980.66 t,much more than 160.67 t from other industries.It certified that agricultural waste water cause great pollution to local water quality.And in accordance with national norms and domestic and foreign processing example,it outlines the agricultural processing wastewater treatment process.Compare domestic countermeasures with resource recycling aboard,like nitrogen and phosphorus reclassified in soil system,it should be the focus of future research directions of scientific research,agricultural waste water treatment.
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备注/Memo
收稿日期：2015-12-15