废润滑油吸附再生研究进展

随着汽车和制造业的快速发展，润滑油的需求量也大大增长，大量的废润滑油也随之产生。本文从废润滑油的污染现状出发，介绍了其变质过程、污染物组成、常用的再生工艺（絮凝、蒸馏、萃取、加氢处理、吸附等）。详细介绍了白土、活性炭、粉煤灰、天然高分子吸附剂等吸附剂和新技术（静电吸附），总结了国内外学者对废润滑油吸附再生的研究现状，并分析了各吸附剂和吸附技术的优缺点。最后对今后废润滑油吸附再生所面临的问题以及未来发展方向进行了展望。

Research Progress in Absorption Regeneration of Waste Lubricant

With the rapid development of automobiles and manufacturing, the demand for lubricant has also greatly increased, and a large amount of waste lubricant has also been produced. Based on the current pollution status of waste lubricant, this article introduced its deterioration process, pollutant composition, and commonly regeneration processes (flocculation, distillation, extraction, hydrotreating, adsorption, etc.). The article introduced the adsorbents, such as clay, activated carbon, fly ash, natural polymer adsorbents and so on and new technologies (electrostatic adsorption) in detail. The overseas and domestic research status of adsorption regeneration were summarized and the merits and demerits of the adsorbents and adsorption technologies were summarized. Therefore, the problems and development trends of waste lubricant absorption regeneration in the future were proposed.