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Edition and Publication:
< Natural Gas and Oil > Editorial Department
Hosted by:
China Petroleum Engineering & Construction Corporation Southwest Company
Authorized by:
China Petroleum Engineering & Construction Corporation
Co-hosted by:
Overseas Research Center of Research Institute of Petroleum Exploration and Development
Editor in Chief:
Du Tonglin
Vice Editor in Chief:
Tang Xiaoyong,Pu Liming
Address:
No.6, Shenghua Road, High-tech District, Chengdu, Sichuan, China
Postal Code:
610041
Tel:
028-86014709
028-86014500
Email:
cnpc-ngo@cnpc.com.cn
Issue:ISSN 1006-5539
CN 51-1183/TE

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Analysis on Problems Existing in Waste Water Treatment System of Lunnan Oilfield and Their Solutions

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Key Words：Waste water treatment；Water quality；Problem analysis；Process improvement

Abstract：In order to reduce content of suspended solids in water used for waste water treatment，analyzed are quality of water from waste water treatment equipment，the settlement section and filter section and their treatment status，identified are problems existing in waste water treatment process，put forward are proper solutions and developed are feasible technical options. Connection is added to improve technological process，applied are such filtration techniques as natural sedimentation，coagulation settlement，walnut shells and two?鄄stage double layers of filter materials，optimized are pharmaceutical formulations and adjusted are treatment process conditions. Backwash agent is replaced with more effective oily emulsive agent，increased is backwash effects of filtration tank，improved greatly are indexed of suspended solids in water，and strengthened is the stability of the water treatment system，reduced are treatment costs and the quality of the treated water fully meets requirements in relative water quality standards.