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| Experiment of Polymer-contained Wastewater by Electrocoagulation |
| Received:April 10, 2018 Revised:August 25, 2018 |
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| DOI：10.7643/ issn.1672-9242.2018.08.002 |
| KeyWord:electrocoagulation polymer-contained wastewater static experiment single factor purification effect power consumption |
| Author | Institution |
| WU Xia-yue |
1. Sinopec Petroleum Engineering Corporation, Dongying , China |
| CHEN Yi-mei |
2. College of Pipeline and Civil Engineering, China University of Petroleum, Qingdao , China |
| CHEN Ming-can |
2. College of Pipeline and Civil Engineering, China University of Petroleum, Qingdao , China |
| YANG Jie |
2. College of Pipeline and Civil Engineering, China University of Petroleum, Qingdao , China |
| LIU Yang |
2. College of Pipeline and Civil Engineering, China University of Petroleum, Qingdao , China |
| JIANG Wen-ming |
2. College of Pipeline and Civil Engineering, China University of Petroleum, Qingdao , China |
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| Abstract: |
| Objective To guarantee normal safety production of oil field and promote cyclic utilization of polymer-contained wastewater in oil field. Methods The electrocoagulation single factor analysis method was used to carry out the experimental study on the purification of poly-contaminated wastewater to investigated effects of different current density, plate spacing, initial pH, polymer concentration and other factors on the purification effect. Results When the initial PH was 7.0, the current density was 4 mA/cm2, and the electrode spacing was 1 cm, the comprehensive treatment effect was the best after 16min of electrolysis. Under these operating conditions, the oil removal rate and turbidity removal rate were 98.85% and 99.93%. The consumption of aluminum and energy were 0.0494 g/g and 0.2895 kWh/m3 respectively. In addition, the smaller the polymer concentration, the better the purification effect. Conclusion For neutral treatment, the treatment condition is the best when the electrode spacing, current density and electrolysis duration are 1.0 cm, 4.0 mA/m2 and 16 min. |
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