微滤陶瓷膜对海上油田回注污水的深度处理效果
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摘要
为解决海上油田回注污水水质不达标的问题,进行了微滤陶瓷膜过滤技术深度处理回注污水的试验,探讨了运行条件和回注污水水质对陶瓷膜过滤效果的影响,同时还评价了试验装置对某实际海上油田回注污水的处理效果。结果表明,随着跨膜压差、温度和进膜流量的增大,膜通量大致呈现逐渐增大的趋势;回注污水中悬浮物和乳化油的含量越高,滤后清液中两者的含量也越高;悬浮物粒径和乳化油粒径中值越大,过滤效果越好;陶瓷膜可以滤除某海上油田回注污水中93.9%的悬浮物和74.1%的乳化油,同时将粒径中值降低42.4%,表明陶瓷膜过滤技术是深度处理海上油田回注污水的有效方法。
In order to solve the problem that the water quality of reinjection wastewater from offshore oilfield was not up to the standard, the advanced wastewater treatment by ceramic membrane microfiltration technology was investigated. The influence of operational conditions and reinjection wastewater quality on ceramic membrane filtration effect was discussed, and the performance of experimental device for the treatment of practical reinjection wastewater from offshore oilfield was evaluated. Results showed that with the increase of transmembrane pressure, temperature and membrane flow, the membrane flux exhibited an increasing tendency. The higher content of suspended solids and emulsified oil was in reinjection wastewater, the higher content of both was in the filtrate. The greater particle size median value of suspended solids and emulsified oil was, the better filtration performed. 93.9% of the suspended solids and 74.1% of the emulsified oil in practical reinjection wastewater from an offshore oilfield could be filtered out by ceramic membrane, and the median value of particle size could be reduced by 42.4%. This indicated that ceramic membrane filtration technology was an effective method for the advanced treatment of offshore oilfield reinjection wastewater.
In order to solve the problem that the water quality of reinjection wastewater from offshore oilfield was not up to the standard, the advanced wastewater treatment by ceramic membrane microfiltration technology was investigated. The influence of operational conditions and reinjection wastewater quality on ceramic membrane filtration effect was discussed, and the performance of experimental device for the treatment of practical reinjection wastewater from offshore oilfield was evaluated. Results showed that with the increase of transmembrane pressure, temperature and membrane flow, the membrane flux exhibited an increasing tendency. The higher content of suspended solids and emulsified oil was in reinjection wastewater, the higher content of both was in the filtrate. The greater particle size median value of suspended solids and emulsified oil was, the better filtration performed. 93.9% of the suspended solids and 74.1% of the emulsified oil in practical reinjection wastewater from an offshore oilfield could be filtered out by ceramic membrane, and the median value of particle size could be reduced by 42.4%. This indicated that ceramic membrane filtration technology was an effective method for the advanced treatment of offshore oilfield reinjection wastewater.
引文
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[13] 范益群,漆虹,徐南平.多孔陶瓷膜制备技术研究进展[J].化工学报,2013,64(1):107-115.
[14] 刘有智,谷磊,申红艳,等.成孔剂对氧化铝支撑体性能的影响[J].膜科学与技术,2008,28(6):34-37.
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[2] 邓述波,周抚生,余刚,等.油田采出水的特性及处理技术[J].工业水处理,2000,20(7):10-12.
[3] 杜荣光.油田废水处理技术研究与应用新进展[J].给水排水,2011,37(3):49-55.
[4] 苏保卫,王铎,高学理,等.海上采油水处理技术的研究进展[J].中国给水排水,2009,25(24):31-35.
[5] 陈家庆,韩旭,梁存珍,等.海上油田含油污水旋流气浮-体化处理设备及其应用[J].环境工程学报,2012,6(1):87-93.
[6] 李肖琳,谢陈鑫,秦微,等.膜分离-光电催化深度处理高盐含聚污水[J].环境工程学报,2016,10(8):4141-4146.
[7] 李昆,王健行,魏源送.纳滤在水处理与回用中的应用现状与展望[J].环境科学学报,2016,36(8):2714-2729.
[8] 宁桂兴,张忻,王凯,等.纳滤膜在垃圾渗滤液深度处理中应用[J].环境工程学报,2013,7(4):1440-1444.
[9] 窦茂卫,苏保卫,高学理,等.油田采出水膜法处理技术应用研究进展[J].环境科学与技术,2011,34(8):124-130.
[10] 黄斌,张威,王莹莹,等.超滤膜处理油田含油污水研究进展[J].现代化工,2017,37(6):43-47.
[11] 刘玉国,黄辉才,于昭东,等.井下分测分采技术在海上油田的应用前景[J].断块油气田,2010,17(6):669-671.
[12] 张小赛,倪卫红.陶瓷膜发展现状及应用研究[J].环境工程,2013,31(6):108-111.
[13] 范益群,漆虹,徐南平.多孔陶瓷膜制备技术研究进展[J].化工学报,2013,64(1):107-115.
[14] 刘有智,谷磊,申红艳,等.成孔剂对氧化铝支撑体性能的影响[J].膜科学与技术,2008,28(6):34-37.
[15] 王建龙,刘海洋.放射性废水的膜处理技术研究进展[J].环境科学学报,2013,33(10):2639-2656.