嗜蜡菌的筛选及其对稠油流变性的影响

发布时间：2018-03-11 00:36

  本文选题：嗜蜡菌　切入点：稠油　出处：《西南石油大学学报(自然科学版)》2017年04期 　论文类型：期刊论文

【摘要】：由于黏度大、流动性差等,稠油开发和集输面临较大的困难,而利用微生物改善稠油的性能比业界的传统做法更为经济、环保。从辽河油田活性污泥中筛选出一株嗜蜡菌(ZL-7),优化出其最佳培养温度为45℃,培养周期为7d;含菌体的富集培养液(菌悬液)处理稠油7d后,对稠油有较明显的降黏、除蜡的作用;利用聚焦光束反射测量仪(FBRM)监测稠油的粒径长度分布(CLD)与粒径分布(DDD),发现稠油小粒径所占比率上升,大粒径所占比率下降,粒径平均值较之前有所下降,有利于稠油乳状液的制备及分离。
[Abstract]:Because of its high viscosity and poor fluidity, heavy oil development and gathering and transportation are facing great difficulties, and it is more economical to use microbes to improve the performance of heavy oil than traditional methods in the industry. Environmental protection. A waxophilic bacterium ZL-7 was selected from activated sludge of Liaohe Oilfield. The optimum culture temperature was 45 鈩，

本文编号：1595831