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《山东大学学报(理学版)》 ›› 2025, Vol. 60 ›› Issue (10): 42-58.doi: 10.6040/j.issn.1671-9352.0.2025.124

• • 上一篇    

混凝/絮凝技术在油田污水处理中的应用

王洪勃1,张娟1,杨子浩1,张风帆1,徐昆誉1,林梅钦1,董朝霞1,2*   

  1. 1.中国石油大学(北京)非常规油气科学技术研究院, 北京 102249;2.中国地质大学(北京)能源学院, 北京 100083
  • 发布日期:2025-10-17
  • 通讯作者: 董朝霞(1974— ),女,教授,博士,研究方向为油田化学. E-mail:dongzx@cugb.edu.cn
  • 作者简介:王洪勃(1996— ),女,博士研究生,研究方向为油田化学. E-mail:15230172863@163.com*通信作者:董朝霞(1974— ),女,教授,博士,研究方向为油田化学. E-mail:dongzx@cugb.edu.cn
  • 基金资助:
    国家自然科学基金面上项目(52474063)

Application of coagulation/flocculation technology in oilfield wastewater treatment

WANG Hongbo1, ZHANG Juan1, YANG Zihao1, ZHANG Fengfan1, XU Kunyu1, LIN Meiqin1, DONG Zhaoxia1,2*   

  1. 1. Unconventional Petroleum Research Institute, China University of Petroleum(Beijing), Beijing 102249, China;
    2. School of Energy Resources, China University of Geosciences(Beijing), Beijing 100083, China
  • Published:2025-10-17

摘要: 石油是当今世界上不可替代的能源之一。在其开采、加工和运输过程中,不可避免地产生大量含油污水。含油污水具有成分复杂、处理量大等特点,若处理不当将会对生态环境和人类健康产生严重的威胁,因此,如何高效处理含油污水已成为石油行业亟待解决的难题。目前,混凝/絮凝技术作为一种油田污水处理技术,因其相对成熟、高效、经济且环保等优点而受到研究者们的广泛关注。本文综述了混凝/絮凝技术在油田污水处理方面的应用。首先考虑到含油污水组成复杂和处理难度,比较了含油污水处理中的各类混凝剂/絮凝剂,包括无机混凝剂、有机絮凝剂以及复合混凝剂/絮凝剂,强调了其分子结构对除油性能的影响。此外,还详细介绍影响其除油性能的各种因素,如投加量、pH和温度等。总结不同混凝剂/絮凝剂在含油污水处理中的不同混凝/絮凝机理。本综述旨在为含油污水处理中混凝剂/絮凝剂的选择提供理论基础,为现场应用提供理论指导,并对未来的研究提出可行的方向。

关键词: 油田含油污水, 分子结构, 混凝/絮凝机理

Abstract: Petroleum is one of the irreplaceable energy resources worldwide. During its extraction, processing, and transport, high volumes of oily wastewater are inevitably generated. Oily wastewater is characterized by complex composition and large treatment volumes, which will endanger the ecological environment and human health if not treated properly. Consequently, how to efficiently treat oily wastewater has become an urgent problem in the petroleum industry. Currently, coagulation/flocculation, as a kind of oilfield wastewater treatment technology, has received extensive attention from researchers because of its relative maturity, high efficiency, economy, and environmental protection. This review comprehensively examines the application of coagulation/flocculation technology in oilfield wastewater treatment. Initially, considering the complex composition and treatment difficulty of oily wastewater, we systematically compare various coagulants/flocculants used in oily wastewater treatment, including inorganic coagulants, organic flocculants, and composite coagulants/flocculants. Particularly, it emphasizes the influence of their molecular structures on oil removal performance. Furthermore, we thoroughly discuss key operational factors affecting treatment efficiency, such as dosage, pH, and temperature. The review also summarizes the distinct coagulation/flocculation mechanisms employed by different agents in oily wastewater treatment. By providing a theoretical foundation for the selection of coagulants/flocculants in oily wastewater treatment, this review aims to offer practical guidance for field applications and propose viable directions for future research.

Key words: oilfield oily wastewater, molecule structure, coagulation/flocculation mechanism

中图分类号: 

  • X74
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