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Recently, the project \"Development of Technology for Oil Removal from Electrodesalinated Wastewater from Heavy Heavy Oil\", undertaken jointly by Qilu Petrochemical and the Research Institute of Petroleum Chemistry, completed its industrial trials. The results showed that the oil content in the electrodesalinated wastewater was reduced to below 100 milligrams per liter, with a removal rate of chemical oxygen demand of over 50%. During the processing of heavy crude oil, the electrodialysis step generates oily wastewater. To recycle this portion of wastewater, larger sedimentation tanks are generally used, which not only occupy storage space within the facility but also require time and effort for subsequent disposal, putting pressure on safe and environmentally sustainable production. To address the aforementioned challenges, the research team from the Institute of Petrology, through specialized technical efforts, developed a new type of oil-water separation material and assembled the first oil-water separation testing equipment, which was then used to conduct oil removal tests on wastewater at the fourth atmospheric and vacuum distillation unit of Qilu Petrochemical. The testing process is safe and clean, enabling efficient separation of oil and water without generating secondary pollutants such as scum. “Driven by new-type productive forces, efforts are intensified to develop key core technologies in order to recover this \"black gold\" from oily wastewater, while also facilitating environmental protection in wastewater treatment and achieving a win-win situation for both energy recovery and environmental protection. ”Wang Zhenyu, an expert from the research team at the Institute of Rock Mechanics, said that the success of industrial trials for this technology lays the foundation for its large-scale industrial application, and it is of great significance for the efficient treatment of oily wastewater. (