A Used Oil Recycling Plant is designed to process and recycle used lubricating oils, often referred to as "waste oil," to reclaim valuable components and reduce environmental impact. The recycling process typically involves multiple stages, including degassing, separation, distillation, and extraction to purify and restore the used oil to a usable state or convert it into new products.
1. Centrifugal Decanter: Separates solids from the used oil based on density differences. The used oil is fed into the decanter, where it is subjected to centrifugal force. The heavier solids move to the outer edge of the decanter and are discharged as a solid sludge, while the lighter oil phase remains in the center and is discharged as clarified oil.
2. Degasifier: Removes dissolved gases and volatile compounds from the used oil.The used oil is heated and subjected to a vacuum or reduced pressure to strip out dissolved gases and light volatile components. This process reduces the formation of foam and improves the quality of the oil for further processing.
3. Short Path Distillation Unit (SPDU): Performs high-efficiency distillation to separate the oil into various fractions based on boiling points.In SPDU, the used oil is heated under vacuum to lower boiling points. The oil vapor travels a short path to a condenser where it cools and condenses into different fractions. The process allows for the recovery of valuable components and removal of impurities.
4. Liquid-Liquid Extraction: Separates the oil into different components based on their solubility in different solvents. The used oil is mixed with a solvent in an extraction column. Components of the oil dissolve in the solvent, allowing them to be separated from the remaining oil. The solvent-oil mixture is then separated into different phases, which are further processed to recover desired components.
5. Rising Film Evaporator - Extract Phase: Concentrates and separates the extract phase from the liquid-liquid extraction process. In the rising film evaporator, the extract phase from the liquid-liquid extraction is fed into the evaporator where it is heated. The vaporized solvent is removed, concentrating the desired components in the liquid phase. The remaining concentrate can be further processed or refined.
6. Rising Film Evaporator - Raffinate Phase: Concentrates and processes the raffinate phase from the liquid-liquid extraction. Similar to the extract phase, the raffinate phase (the portion of the oil that remains after extraction) is fed into a rising film evaporator. It is heated to remove excess solvent and concentrate the remaining oil for further processing.
The Used Oil Recycling Plant is an essential facility in promoting environmental sustainability by converting waste oils into valuable resources, reducing pollution, and conserving natural resources. Attaquant Enterprises Pvt. Ltd. is leading innovative advanced filtration and processing techniques, the plant ensures that used oils are safely and efficiently re-refined, contributing to a cleaner, more sustainable future.