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Experimental Research on a Cyclone Air Flotation Separator for Polymer-Containing Wastewater

  • INNOVATIVE TECHNOLOGIES OF OIL AND GAS
  • Published:
Chemistry and Technology of Fuels and Oils Aims and scope

When using polymer injection technology in oilfields, the problem is the separation of oil and water from the produced fluid. Based on the water quality characteristics of the polymer-containing sewage, an improved cyclone air-flotation separation device has been designed and tested in an oilfield wastewater treatment station to investigate the sewage treatment volume and return flow parameters. The effect of polymer ratio, split ratio, and bubble size on the air-flotation cyclone productivity is studied. The results show that when the treatment volume of polymer-containing sewage is 7 m3/h, the reflux ratio and the split ratio are 20% and 11%, respectively, the bubble size is large, the oil content in the wastewater after treatment decreases from 500.6 to 45.75 m3/h, and the suspended solids content decreases from 601.7 to 206.1 m3/h. Finally, the test results show that the wastewater after treatment complies with the requirements for the further filtration process.

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Acknowledgment

This work was supported by the Central Universities Fundamental Research Fund.

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Authors and Affiliations

  1. School of Chemical and Environmental Engineering, China University of Mining & Technology, Beijing, D11 Xueyuan Road, Haidian District, 100083, Beijing, China

    Jie Liu, Hong-ying Liu & Jing Guo

  2. School of Chemical Engineering, Sichuan University of Science & Engineering, 519 Huixing Road, Zigong, 643000, Sichuan, China

    Min-Jiao Li & Lei Li

  3. College of Mechanical and Electrical Engineering, Beijing University of Chemical Technology, Beijing, 102249, China

    Sun Tengfei

Authors
  1. Jie Liu
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  2. Hong-ying Liu
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  3. Jing Guo
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  4. Min-Jiao Li
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  5. Lei Li
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  6. Sun Tengfei
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Correspondence to Hong-ying Liu or Lei Li.

Additional information

Translated from Khimiya i Tekhnologiya Topliv i Masel, No. 4, pp. 103–108, July–August, 2021.

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Liu, J., Liu, Hy., Guo, J. et al. Experimental Research on a Cyclone Air Flotation Separator for Polymer-Containing Wastewater. Chem Technol Fuels Oils 57, 705–712 (2021). https://doi.org/10.1007/s10553-021-01296-x

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  • DOI: https://doi.org/10.1007/s10553-021-01296-x

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