| 脉冲电絮凝处理三次采油污水研究 |
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| 引用本文： | 胡海,邱于兵,李强,李海川,郭兴蓬.脉冲电絮凝处理三次采油污水研究[J].环境科学与技术,2012,35(2):173-177,181. |
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| 作者姓名： | 胡海 邱于兵 李强 李海川 郭兴蓬 |
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| 作者单位： | 1. 华中科技大学化学化工学院,湖北武汉,430074
2. 中海油能源发展股份有限公司采油技术服务公司油田化学分公司,广东湛江,524057 |
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| 摘 要： | 文章利用自制的脉冲电絮凝装置对油田三次采油污水进行了处理,讨论了脉冲电流参数,包括脉冲峰值电流、频率、占空比的影响,并通过正交实验优化了处理条件。在优化条件下处理后,油田三次采油污水的COD和浊度分别达到66.3 mg/L和1.5 FTU,满足国家《污水综合排放标准》的要求。同时,脉冲电絮凝法处理三次采油污水的效果优于投加聚合氯化铝和聚合硫酸铁的化学处理法,在处理效果和节省电能的方面明显优于直流电絮凝方法。
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| 关 键 词： | 脉冲电流 电絮凝 三次采油污水 COD 浊度 |
Processing of Tertiary Oil Recovery Wastewater by Pulsed Current Electroflocculation Method |
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| HU Hai
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QIU Yu-bing
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LI Qiang
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LI Hai-chuan
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GUO Xing-peng.Processing of Tertiary Oil Recovery Wastewater by Pulsed Current Electroflocculation Method[J].Environmental Science and Technology,2012,35(2):173-177,181. |
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| Authors: | HU Hai QIU Yu-bing LI Qiang LI Hai-chuan GUO Xing-peng |
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| Institution: | 1(1.School of Chemistry and Chemical Engineering,Huazhong University of Science and Technology,Wuhan 430074,China;2.Oilfield Chemicals Branch,CNOOC Energy Technology and Services-Oilfield Technology Services Co,Zhanjiang 524057,China) |
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| Abstract: | Pulsed current(PC)electroflocculation was applied to treat tertiary oil recovery wastewater from an oil field.Effects of pulsed current parameters including amplitude,frequency and duty cycle on the treatment result were investigated.The optimum treatment condition was determined by orthogonal experiments.With the optimized treatment conditions,CODCr and turbidity of the treated wastewater were reduced to 66.3 mg/L and 1.5 FTU respectively,which can satisfy the requirement of Integrated Wastewater Discharge Standard.Compared with traditional direct current(DC)method,under the same supplied electric quantity condition,PC method consumes less electric energy.The treatment effect indicated that PC electroflocculation method is much better than traditional DC electroflocculation method and traditional chemical flocculation treatment using polyaluminium chloride and polymeric ferric sulfate. |
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| Keywords: | pulsed current electroflocculation tertiary oil recovery wastewater COD turbidity |
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