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混凝-酵母菌生物膜联合工艺处理三元驱采油废水

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高芳, 刘东方, 张丽, 刘岩, 黄建, 陈娟. 混凝-酵母菌生物膜联合工艺处理三元驱采油废水[J]. 环境工程学报, 2015, 9(8): 3871-3877. doi: 10.12030/j.cjee.20150846
引用本文: 高芳, 刘东方, 张丽, 刘岩, 黄建, 陈娟. 混凝-酵母菌生物膜联合工艺处理三元驱采油废水[J]. 环境工程学报, 2015, 9(8): 3871-3877. doi: 10.12030/j.cjee.20150846
shu
Gao Fang, Liu Dongfang, Zhang Li, Liu Yan, Huang Jian, Chen Juan. Oilfield produced water from Alkali Surfactant Polymer(ASP) flooding by process of coagulation combined yeast biofilm[J]. Chinese Journal of Environmental Engineering, 2015, 9(8): 3871-3877. doi: 10.12030/j.cjee.20150846
Citation: Gao Fang, Liu Dongfang, Zhang Li, Liu Yan, Huang Jian, Chen Juan. Oilfield produced water from Alkali Surfactant Polymer(ASP) flooding by process of coagulation combined yeast biofilm[J]. Chinese Journal of Environmental Engineering, 2015, 9(8): 3871-3877. doi: 10.12030/j.cjee.20150846
shu

混凝-酵母菌生物膜联合工艺处理三元驱采油废水

  • 1.

    南开大学环境科学与工程学院, 天津 300457

  • 基金项目:

  • 中图分类号: X74

Oilfield produced water from Alkali Surfactant Polymer(ASP) flooding by process of coagulation combined yeast biofilm

  • 1.

    College of Environmental Science and Engineering, Nankai University, Tianjin 300457, China

  • Fund Project:

  • 摘要: 为解决三元驱采油废水的处理与回注问题,研究使用混凝预处理与特种产酸酵母菌生物膜法联合工艺对废水进行处理,再将酵母菌生物膜出水经过砂滤和超滤装置进行深度处理。探究pH,混凝剂种类和投加量等对混凝效果的影响,酵母菌生物膜工艺中外加碳源投加量对处理效果的影响。实验结果表明,将三元驱采油废水pH调至6.0左右,三氯化铁投加量600 mg/L,外加碳源投加量1.0 COD g/L时处理效果最佳。在进水COD为1 850 mg/L,粘度5.10 MPa·s,SS 256 mg/L,含油量131 mg/L,粒径中值105.25 μm的情况下,经过混凝预处理和酵母菌生物膜处理后的COD、SS、含油量的去除率分别达到84.86%、85.55%和98.54%,粘度降至1.05 MPa·s,经砂滤和超滤装置后,出水含油量< 0.5 mg/L,SS <1.0 mg/L,粒径中值 <0.1 μm,达到SYT 5329-2012中渗透层注水标准。
    Abstract: To solve the problem of treatment and reinjection of oilfield produced wastewater from ASP flooding, a laboratory study of coagulation pretreatment followed by special acid-producing yeast biofilm process for the wastewater treatment was undertaken, and then the effluent was passed through sand filtration and ultrafiltration devices for advanced treatment. The influencing factors, such as pH, coagulant type and coagulant dosage for the coagulation process were investigated. The effects of external carbon dosage in the yeast biofim reactor for the treatment performance were examed. The results show that the optimal treatment effect is achieved as the pH of the raw wastewater is about 6, coagulant (ferric chloride) dosage is 600 mg/L, and external carbon dosage is 1.0 g COD/L. When the COD, SS, crude oil, viscosity, and median particle size of the raw wastewater are 1850 mg/L, 256 mg/L, 131 mg/L, 5.10 MPa·s, and 105.25 μm, respectively, after the treatment of coagulation and yeast biofilm process, the COD, SS and crude oil can be removed by 84.86%, 85.55% and 98.54%, respectively, and the viscosity is reduced to 1.05 MPa·s. Advanced treatment by sand filtration and ultrafiltration devices enable the crude oil <0.5 mg/L, SS <1.0 mg/L, and median particle size <0.1 μm, which meet the injection water quality of medium permeability oilfield in SYT 5329-2012.
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  • 收稿日期:  2014-07-13
  • 刊出日期:  2015-08-13
高芳, 刘东方, 张丽, 刘岩, 黄建, 陈娟. 混凝-酵母菌生物膜联合工艺处理三元驱采油废水[J]. 环境工程学报, 2015, 9(8): 3871-3877. doi: 10.12030/j.cjee.20150846
引用本文: 高芳, 刘东方, 张丽, 刘岩, 黄建, 陈娟. 混凝-酵母菌生物膜联合工艺处理三元驱采油废水[J]. 环境工程学报, 2015, 9(8): 3871-3877. doi: 10.12030/j.cjee.20150846
shu
Gao Fang, Liu Dongfang, Zhang Li, Liu Yan, Huang Jian, Chen Juan. Oilfield produced water from Alkali Surfactant Polymer(ASP) flooding by process of coagulation combined yeast biofilm[J]. Chinese Journal of Environmental Engineering, 2015, 9(8): 3871-3877. doi: 10.12030/j.cjee.20150846
Citation: Gao Fang, Liu Dongfang, Zhang Li, Liu Yan, Huang Jian, Chen Juan. Oilfield produced water from Alkali Surfactant Polymer(ASP) flooding by process of coagulation combined yeast biofilm[J]. Chinese Journal of Environmental Engineering, 2015, 9(8): 3871-3877. doi: 10.12030/j.cjee.20150846
shu

混凝-酵母菌生物膜联合工艺处理三元驱采油废水

  • 1. 南开大学环境科学与工程学院, 天津 300457
  • 收稿日期:  2014-07-13
基金项目:

摘要: 为解决三元驱采油废水的处理与回注问题,研究使用混凝预处理与特种产酸酵母菌生物膜法联合工艺对废水进行处理,再将酵母菌生物膜出水经过砂滤和超滤装置进行深度处理。探究pH,混凝剂种类和投加量等对混凝效果的影响,酵母菌生物膜工艺中外加碳源投加量对处理效果的影响。实验结果表明,将三元驱采油废水pH调至6.0左右,三氯化铁投加量600 mg/L,外加碳源投加量1.0 COD g/L时处理效果最佳。在进水COD为1 850 mg/L,粘度5.10 MPa·s,SS 256 mg/L,含油量131 mg/L,粒径中值105.25 μm的情况下,经过混凝预处理和酵母菌生物膜处理后的COD、SS、含油量的去除率分别达到84.86%、85.55%和98.54%,粘度降至1.05 MPa·s,经砂滤和超滤装置后,出水含油量< 0.5 mg/L,SS <1.0 mg/L,粒径中值 <0.1 μm,达到SYT 5329-2012中渗透层注水标准。

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