不同类型清洗剂对含聚油泥清洗效果及界面性质的影响
Chinese Journal of Environmental Engineering(2012)
Abstract
为解决聚驱采出液中产生的大量含聚油泥造成石油资源浪费和环境污染问题,选用化学清洗法对含聚油泥进行处理。不同类型化学清洗剂对含聚油泥清洗效果的规律是:无机型和非离子型清洗剂对含聚油泥清洗效果最好,阴离子型清洗剂次之,阳离子型清洗剂最差。优化了无机清洗剂Na2SiO3和非离子型清洗剂EL100的脱油条件,脱油率分别达到91.12%和85.59%。不同类型清洗剂清洗含聚油泥的脱油率与油水界面性质具有明显的关联性,即脱油率越高,水相电导率越小,油滴Zeta电位绝对值越小,油滴中值粒径越大,油水界面张力越小。
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Key words
interfacial property,chemical cleaning method,polymer sludge,deoiling rate
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