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复配菌对含蜡原油微观结构影响分析
引用本文:王卫强,丁影影,孙翊赫,姜卫山,王国付.复配菌对含蜡原油微观结构影响分析[J].辽宁石油化工大学学报,2018,38(5):24.
作者姓名:王卫强  丁影影  孙翊赫  姜卫山  王国付
作者单位:(辽宁石油化工大学 石油天然气工程学院,辽宁 抚顺113001)
基金项目:辽宁省科技厅项目(2015020604);辽宁省自然科学基金指导计划项目(20180550745)
摘    要:含蜡原油中的蜡是原油流动性差的主要原因之一,为解决含蜡原油的流动性给原油开采和集输带来的巨大困难,需对原油进行降蜡处理。微生物降蜡利用微生物的代谢作用直接降解原油中的蜡组分,将长链烃类降解为中短链烃类,从而降低原油中的蜡含量。通过检测复配菌处理前后原油中的蜡含量及蜡晶形态,研究复配菌对原油中蜡组分的降解及原油中蜡晶形态、大小的影响,从宏观上分析复配菌的降蜡特性;通过检测降蜡处理后油样的粒径分布,从微观角度对复配菌的降蜡效果进行了验证。

关 键 词:含蜡原油  清防蜡  复配菌  蜡晶形态  粒径  
收稿时间:2018-05-30

Analysis of the Effect of Compound Bacteria on the Microstructure of Waxy Crude Oil
Wang Weiqiang,Ding Yingying,Sun Yihe,Jiang Weishan,Wang Guofu.Analysis of the Effect of Compound Bacteria on the Microstructure of Waxy Crude Oil[J].Journal of Liaoning University of Petroleum & Chemical Technology,2018,38(5):24.
Authors:Wang Weiqiang  Ding Yingying  Sun Yihe  Jiang Weishan  Wang Guofu
Affiliation:(College of Petroleum Engineering,Liaoning Shihua University,Fushun Liaoning 113001,China)
Abstract:Wax in waxy crude oil is one of the main reasons for the poor fluidity of crude oil. In order to solve the great difficulties brought by the fluidity of waxy crude oil to crude oil mining and gathering, it is necessary to carry out wax removal treatment on crude oil.Microbial paraffin removal technology is the use of microbial metabolism to directly degrade wax components in crude oil and degrade long chain hydrocarbons into medium and short chains, thus reducing the wax content in crude oil at all. By detecting the wax content in crude oil and wax crystal morphology before and after the treatment of compound bacteria, the effects of the compound bacteria on the degradation of wax components in crude oil and the morphology and size of wax crystals in crude oil are studied, it is concluded that the wax removal characteristics of the compound bacteria are analyzed macroscopically. Finally, the paraffin removal effect of the compound bacteria is verified from the microscopic point by detecting the particle size distribution of the oil sample after paraffin removal treatment.
Keywords:Waxy crude oil  Paraffin removal  Compound bacteria  Wax crystal morphology  Particle size  
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