Treatment of produced polymer-containing wastewater at oilfield using airlift ceramic membrane filtration equipment

SHEN Hao; ZHANG Chun; CHEN Chao; JING Wenheng; XING Weihong

doi:10.11949/j.issn.0438-1157.20160253

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Treatment of produced polymer-containing wastewater at oilfield using airlift ceramic membrane filtration equipment

更新时间：2025-12-10

- Treatment of produced polymer-containing wastewater at oilfield using airlift ceramic membrane filtration equipment
- CIESC Journal Issue 9, Pages: 3768-3775(2016)
- 作者机构：
  
  1. 南京工业大学材料化学工程国家重点实验室,江苏,南京,210009
  2. 江苏久吾高科技股份有限公司,江苏,南京,211808
- 作者简介：
- 基金信息：
- DOI：10.11949/j.issn.0438-1157.20160253
  CLC： Q052
- Online First：05 September 2016，
  
  Published：05 September 2016
- 稿件说明：
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SHEN Hao, ZHANG Chun, CHEN Chao, et al. Treatment of produced polymer-containing wastewater at oilfield using airlift ceramic membrane filtration equipment[J]. CIESC Journal, 2016, (9): 3768-3775.
DOI：

SHEN Hao, ZHANG Chun, CHEN Chao, et al. Treatment of produced polymer-containing wastewater at oilfield using airlift ceramic membrane filtration equipment[J]. CIESC Journal, 2016, (9): 3768-3775. DOI： 10.11949/j.issn.0438-1157.20160253.

摘要

采用新型的气升式陶瓷膜过滤系统处理油田含聚采出水，通过气液两相流替代单一的液相流动，降低了陶瓷膜处理油田含聚采出水过程的能耗，系统考察了曝气孔大小、曝气量和跨膜压差对膜渗透通量的影响。结果表明，采用孔径为微米级的曝气头曝气使高压气体在多通道膜管内的分布更为均匀，进而有效抑制膜污染和浓差极化，延缓通量衰减。当曝气孔径为1 μm时，渗透通量达到最大，且曝气量从300 L·h-1增加到600 L·h-1时，通量显著增加。此外，跨膜压差对膜的渗透通量影响显著，当跨膜压差为0.4 MPa时，渗透通量最佳。陶瓷膜处理油田采出水的出水水质各方面指标数据较为稳定，达到5.1.1回注水标准。最后，计算讨论了气升式陶瓷膜过滤装置的吨水能耗。

Abstract

A novel airlift ceramic membrane filtration equipment was employed to treat the produced polymer-containing wastewater at oilfield. In the process of treatment on the produced polymer-containing wastewater at oilfield by ceramic membrane filtration

the energy consumption was reduced due to the gas-liquid two phase flow in place of monophase flow of liquid. Effects of aeration pore size

aeration rate and transmembrane pressure on membrane flux were investigated. It showed that the microporous aeration promoted the more homogeneous distribution of gas inside membrane tube

hence inhibited membrane contamination and concentration polarization and the alleviated decay of membrane flux. The maximum flux was achieved under condition of 1 μm of aeration pore size

of which the membrane flux increased remarkably with an increase in aeration rate from 300 to 600 L·h-1. Moreover

the transmembrane pressure influenced the membrane flux significantly

with an optimal pressure of 0.4 MPa. The various parameters of quality of the permeated water are stable

which satisfies the requirements of the standard 5.1.1 of reusing water. The energy consumption per ton water of airlift ceramic membrane filtration equipment was also calculated.

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