... demulsify and improve oil color, making the regenerated oil color close to new oil color, recover the oil performance, after the ... oil recycling machine,-- lubricating oil, hydralic oil regeneration,-- engine oil, motor oil, car oil, hydrualic oil recycling machine, oil decolorization, deacidification, dealkalizing.-- oil vacuum distillation plant,-- oil refinery, diesel production line,-- waste tyre ...