It is a difficult problem to discharge sewage under the COD standard.The problem is how to satisfyingly treat the sewage in a heavy oil field, and there is no field case in China.

 
  • COD达标排放是困扰稠油油田污水处理的难题,至今国内稠油污水COD处理达标尚无生产现场应用实例。
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