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山东大学学报(工学版) ›› 2010, Vol. 40 ›› Issue (1): 98-102.

• 环境科学与工程 • 上一篇    下一篇

混凝法处理胜利油田聚合物驱采出水效果研究

张永强 高宝玉 卢磊 曹百川   

  1. 山东大学环境科学与工程学院, 山东 济南 250100
  • 收稿日期:2009-03-24 出版日期:2010-02-16 发布日期:2009-03-24
  • 通讯作者: 高宝玉(1961-),男,山东鄄城人,教授,博士生导师,主要研究方向为水污染控制.
  • 作者简介:张永强(1985-),男,山东潍坊人,硕士研究生,研究方向为水污染控制.E-mail:zhyqzhyqzhyq@mail.sdu.edu.cn
  • 基金资助:

    胜利油田管理局技术外协资助项目;山东省2009年科学技术发展计划资助项目

Effect of produced wastewater from polymer flooding in Shengli Oilfieldtreated by the coagulation method

  1. School of Environmental Science and Engineering, Shandong University, Jinan 250100, China
  • Received:2009-03-24 Online:2010-02-16 Published:2009-03-24

摘要:

采用化学混凝法处理胜利油田聚合物驱采出水,并在比较不同单一混凝剂的除油、除浊效果基础上,进行了混凝剂的优化复配。 结果表明:传统铝盐和传统铁盐混凝剂的除油、除浊效果明显优于无机高分子混凝剂和有机高分子絮凝剂。 氯化铁和氯化铝按投加量质量比为1∶3比例复配时,不但能提高絮体的沉降速度,减少污泥量,而且能达到较高的除油、除浊效果。复配铁铝混凝剂与阴离子聚丙烯酰胺(APAM)三元复配时,除油、除浊效果主要决定于无机复配铁铝混凝剂的投加量;投加0.5mg/L的APAM便能使絮体进一步发生桥联作用,提高沉降性和减少污泥体积。 

关键词: 化学混凝法, 复配混凝剂, 聚合物驱采出水

Abstract:

The produced wastewater from polymer flooding in Shengli Oilfield wastreated by the chemical coagulation method. The applicable coagulants were chosen and compounded based on the comparison of the single coagulation effect of each coagulant. The results showed that the oil or turbidity removal efficiencies of traditional aluminum salt or iron salt coagulants were much better than those of the inorganic polymer coagulants or organic polymer flocculants. When the aluminum chloride and iron chloride were compounded with the dosage mass ratio of 1:3,it could not only improve the settling performance and decrease the volume of sludge, but also obtained high oil and turbidity removal efficiencies. When the compounded aluminumiron coagulant was compounded with anionic polyacrylamide (APAM), the oil and turbidity removal efficiencies were dominated by the dosage of the inorganic compounded aluminumiron coagulant. And at the dosage of 0.5mg/L, APAM could bridge the flcos and improve the settling performance and decrease

the volume of sludge.

Key words: chemical coagulation method, compounded coagulant, produced wastewater from polymer flooding

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