Heat strengthening of double-field coupling demulsification of industrial waste oil emulsion

IF 0.125 Applied Petrochemical Research Pub Date : 2018-12-04 DOI:10.1007/s13203-018-0221-x

Ye Peng, Bao Yu, Xianming Zhang, Wenlong Li, Haifeng Gong

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引用次数: 2

Abstract

Demulsification of highly aqueous waste oil is difficult to complete by a single process efficiently. The dewatering-type hydrocyclone is used as the unit body and includes the high-voltage electrode to realize demulsification and dewatering ability of the coupling of high-voltage electric and swirling centrifugal fields in waste oil emulsion efficiently. This study considers the influence of heating temperature on demulsification in coupled field. Thus, a heat-strengthening double-field demulsification process is proposed. Specifically, the effect of heat strengthening on demulsification, dewatering, and separation of double-field coupled by numerical simulation and experimental methods was investigated. The temperatures of heat-strengthening were 60?°C, 65?°C, 70?°C, and 75?°C. The results show that the separation efficiency predicted by numerical simulation are in good agreement with the experimental results. And the heat-strengthening can effectively enhance the separation effect of two fields and improve the efficiency of the oil–water separation of industrial waste oil. When the heating temperature is raised from 60 to 65?°C, and from 65 to 70?°C, the separation efficiency increases by approximately 4.1% and 6.7%, respectively.

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工业废油乳化液双场耦合破乳的热强化

高含水废油的破乳很难用单一工艺高效完成。以脱水型水力旋流器为单元体，并配以高压电极，有效地实现了废油乳化液中高压电场与旋流离心场耦合的破乳脱水能力。研究了耦合场中加热温度对破乳效果的影响。为此，提出了一种热强化双场破乳工艺。具体而言，采用数值模拟和实验相结合的方法，研究了热强化对双场耦合破乳、脱水和分离的影响。热强化温度为60?°C, 65 ?°C, 70 ?°C和75°C。结果表明，数值模拟预测的分离效率与实验结果吻合较好。热强化能有效增强两场分离效果，提高工业废油的油水分离效率。当加热温度从60度提高到65度?从65°C到70°C ?°C时，分离效率分别提高约4.1%和6.7%。

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来源期刊

Applied Petrochemical Research ENGINEERING, CHEMICAL-

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0.00%

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审稿时长

13 weeks

期刊介绍： Applied Petrochemical Research is a quarterly Open Access journal supported by King Abdulaziz City for Science and Technology and all the manuscripts are single-blind peer-reviewed for scientific quality and acceptance. The article-processing charge (APC) for all authors is covered by KACST. Publication of original applied research on all aspects of the petrochemical industry focusing on new and smart technologies that allow the production of value-added end products in a cost-effective way. Topics of interest include: • Review of Petrochemical Processes • Reaction Engineering • Design • Catalysis • Pilot Plant and Production Studies • Synthesis As Applied to any of the following aspects of Petrochemical Research: -Feedstock Petrochemicals: Ethylene Production, Propylene Production, Butylene Production, Aromatics Production (Benzene, Toluene, Xylene etc...), Oxygenate Production (Methanol, Ethanol, Propanol etc…), Paraffins and Waxes. -Petrochemical Refining Processes: Cracking (Steam Cracking, Hydrocracking, Fluid Catalytic Cracking), Reforming and Aromatisation, Isomerisation Processes, Dimerization and Polymerization, Aromatic Alkylation, Oxidation Processes, Hydrogenation and Dehydrogenation. -Products: Polymers and Plastics, Lubricants, Speciality and Fine Chemicals (Adhesives, Fragrances, Flavours etc...), Fibres, Pharmaceuticals.