Oil Field In The Discharge Of Sewage Water Quality Analysis

Water is one of essential base substances in daily life and production. Water used must be discharged with all kinds of polluted substances,which brings severe danger to the environment ,influences the normal life and production activities of the society,even does harm to the people's health.With the development of production and progress of the socity,the pollution of water turns more and more prominent. People come to realize it is important to harness the sewage,therefore many kinds of techniques of sewage-harnessing have been shown.DaQing oil field of HeiLongjiang Province located in the center of SongNen plain,produces fifty million ton of oil every year.It is the biggest base producing crude oil in our country,also is the one of ten big oil fields.But it produces a lot of oily waste water Which heavily influences the environment near by.This paper mainly discusses treatment techniques of produced waste water from oil field in and abroad,especiallyDa Qing oilfield, and determines the indexes of COD,water colority and turbidity of produced water from DaQing waste water treating plants,then analyzes the water quality, and make conclusions.