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Evaluation of Novel Nanodemulsifier Based on Colloidal and Non-Colloidal Surfactants for the Removal of Hydrocarbons from Wastewater
Journal of Water Chemistry and Technology ( IF 0.6 ) Pub Date : 2020-01-28 , DOI: 10.3103/s1063455x19060067
A. A. Gasanov , T. K. Dashdiyeva , R. A. Dashdiyev

The separation of oil-water emulsion, in general, is a major problem in oil production and refining processes. The authors performed targeted laboratory and field studies on wastewater cleaning from hydrocarbons in the conditions of oil preprocessing on the ZhetybayMunayGaz oil field, Republic of Kazakhstan. The field pilot-scale tests (FPST) have been performed with a novel nanodemulsifier IKHLAS-1 based on colloidal and non-colloidal surfactants. IKHLAS-1 was selected after conducting the laboratory tests with 42 other components of similar molecular composition. The data also demonstrate how the degree of wastewater purification from oil depends on the specific consumption of demulsifier, demulsification temperature, the volume of hard destructible water-in-oil emulsions, settling time and the demulsifier pH. The results of FPST have revealed the significant advantage of using IKHLAS-1 in comparison with the standard demulsifier Randem-2219, since the obtained degree of wastewater purification (oil concentration was below 50 mg/dm3) corresponds to the requirements of the technology of water re-injection to maintain reservoir pressure.

中文翻译:

基于胶体和非胶体表面活性剂的新型纳米破乳剂去除废水中碳氢化合物的评价

通常,油水乳液的分离是石油生产和精炼过程中的主要问题。作者在哈萨克斯坦共和国ZhetybayMunayGaz油田的石油预处理条件下,进行了有针对性的实验室和现场研究,研究了从碳氢化合物中清除废水的情况。使用基于胶体和非胶体表面活性剂的新型纳米破乳剂IKHLAS-1进行了中试规模测试(FPST)。IKHLAS-1是在对42种具有相似分子组成的其他成分进行实验室测试后选择的。数据还证明了从油中纯化废水的程度如何取决于破乳剂的比消耗,破乳温度,硬质可破坏油包水型乳化液的体积,沉降时间和破乳剂pH值。3)符合注水技术以维持油层压力的要求。
更新日期:2020-01-28
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