Abstract: A method of cleaning mineral-oil-based liquid cooling lubricants in which the cooling lubricants, which are continuously circulated in metal-working plants, are cleaned by a deposition filtration system. A continuous or discontinuous inoculation or introduction of filtering aid material is carried out in the filtration circuit during the filtration of the liquid cooling lubricant.

Abstract: A method for processing metal chips and/or metal dust, including a first process step in which the metal is moistened and fed by a conveyor system to a collecting tank, especially a settling tank. In further process steps the material being processed passes from the collecting tank into a buffer tank, and from the buffer tank it is proportioned to a dewatering apparatus. In the dewatering apparatus the moisture is removed by compressed air. Removed moisture is fed back into the scraper flight conveyor settling tank, and then the dewatered metal is transferred to a container.