Recovery of lubricants from used cooling lubricants

Recovery of lubricants from used cooling lubricants

In a method for recovering lubricant or lubricant concentrate from a used mixture containing lubricant, the mixture containing lubricant and which is substantially dewatered is subjected to short path distillation at a temperature of at least 150° C. and a pressure of less than 1.5 mbar, in order to...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: SEIFERTH OLIVER, KUDERMANN GERHARD
Format: Patent
Sprache:eng
Schlagworte:
CHEMISTRY
FUELS
LUBRICANTS
LUBRICATING COMPOSITIONS
MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL
METALLURGY
PEAT
PERFORMING OPERATIONS
PETROLEUM, GAS OR COKE INDUSTRIES
PUNCHING METAL
ROLLING OF METAL
TECHNICAL GASES CONTAINING CARBON MONOXIDE
TRANSPORTING
USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATINGINGREDIENTS IN A LUBRICATING COMPOSITION
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Beschreibung
Zusammenfassung:In a method for recovering lubricant or lubricant concentrate from a used mixture containing lubricant, the mixture containing lubricant and which is substantially dewatered is subjected to short path distillation at a temperature of at least 150° C. and a pressure of less than 1.5 mbar, in order to obtain a lubricant concentrate which can be recycled into cooling lubricants and which is free of very finely wear debris, metal soaps and polymers.