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- Title
Research status of rapid adsorption of high viscosity crude oil by thermally assisted oil absorption materials.
- Authors
YANG Xin; LI Faxue; WANG Xueli; YU Jianyong; ZHANG Ruiyun; GAO Tingling
- Abstract
The improper treatment of crude oil will cause great harm to the ecological environment and biological health. Traditional oil spill clean-up methods have problems such as high cost and secondary pollution. Thermal-assisted oil absorption material can achieve rapid adsorption of high-viscosity crude oil. The design strategies of thermally assisted oil absorption materials were summarized, including improving hydrophobicity/lipophilicity, enhancing capillary force and increasing thermal effect (Joule heating, photothermal conversion, magnetic heating). The oil absorption mechanism was elaborated from three aspects, namely, heat conversion, heat transfer and oil spill adsorption mechanism. The materials are mainly commercialized sponges and aerogels as carriers to recover crude oil through distillation, extrusion, pumping, etc. Among the four types of thermally assisted oil absorption materials: Joule-heating type needs rapidly raise the temperature at a small voltage to improve safety; there are obvious limitations in solar-type, such as slow warming rate, limited heating uniformity, and highly susceptible to the influence of meteorological conditions; magnetic-heating type is less studied and has challenges in practical application; the combination of solar-assisted and Joule-heating-assisted is common in the composite type. The thermal responsiveness, reusability and recyclability of thermally assisted oil absorption materials need to improve in the future.
- Subjects
PETROLEUM; PHOTOTHERMAL conversion; ABSORPTION; OIL spills; VISCOSITY
- Publication
Journal of Donghua University (Natural Science Edition), 2024, Vol 50, Issue 3, p1
- ISSN
1671-0444
- Publication type
Article
- DOI
10.19886/j.cnki.dhdz.2023.0071