Analysis on causes and treatment countermeasures for main pollution of Liaohe river basin

The causes of forming main pollution of Liaohe river basin and the existing problems in the corresponding treatment are analyzed in this study,which can provide technical support for repair Liao river basin.The section analysis method is used to determine the components of the main pollutants in Liaohe river basin.The main pollutants are determined as ammonia nitrogen,COD,oil,and so on.Based on the analysis,the area pollution in agriculture and industrial pollution source are mainly attributed to the water pollution in Liaohe river.To effectively control the water pollution situation of Liao river basin,long-term operation management mechanism suggests to be established through strengthening the construction of wastewater treatment facilities and investigating the water pollution control technology at the same time.