Natural Extracted Waste Materials for Breaking Crude Oil Emulsion

Day 3 Wed, May 24, 2023 Pub Date : 2023-05-15 DOI:10.2118/213007-ms

A. A. Adewunmi, M. Kamal, Afeez O. Gbadamosi, S. Patil

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Abstract

This study was performed to examine the efficacy of corn husks (CH) fine particles as potential natural demulsifier for breaking crude oil emulsion. Stable emulsions were formed using distilled water/crude oil and oil-water ratio was 4:6. The concentrations of CH particles ranging from 0.25, 0.5, 0.75, and 1% were added into vials containing the prepared emulsions and demulsification test was conducted inside the oven at 75 °C. Rheology was used to illustrate the demulsification mechanism of CH as potential demulsifiers. According to the experimental outcomes, the demulsification activity from the bottle test showed that water removal increased with the increasing CH concentration. The demulsification efficiency (DE) of 0.25, 0.5, 0.75, and 1% CH was 8.33%, 50%, 73.33% and 81.67%, respectively; after 60 minutes of demulsification duration. Rheological characterization showed that the incorporation of CH particles caused the reduction of emulsion viscosity which indicated the breaking of emulsion and separation of oil and water. Optical microscopic analysis revealed the morphologies of emulsion immediately after preparation, as well as oil and water phases after separation.

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原油乳化液破碎的天然提取废弃物

研究了玉米壳(CH)细颗粒作为天然破乳剂的破乳效果。以蒸馏水/原油为原料，油水比为4:6，形成稳定的乳剂。将浓度为0.25、0.5、0.75、1%的CH颗粒分别加入到装乳剂的小瓶中，在75℃的烘箱内进行破乳试验。用流变学方法说明了CH作为潜在破乳剂的破乳机理。实验结果表明，破乳活性随CH浓度的增加而增加。0.25、0.5、0.75和1% CH的破乳效率(DE)分别为8.33%、50%、73.33%和81.67%;破乳时间为60分钟后。流变学表征表明，CH颗粒的掺入使乳化液粘度降低，表明乳化液破裂，油水分离。光学显微镜分析显示了制备后乳化液的形态，以及分离后的油相和水相。

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Day 3 Wed, May 24, 2023

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