Verfahren zur Wiederaufbereitung von gebrauchten hydraulischen Flüssigkeiten

摘要

Reprocessing hydraulic fluids contg. glycol ether borate(s) comprises adding a mixt. of oligo-glycol ethers and/or oligo-glycols to the hydraulic fluids before or during distillation. the mixt. has a higher boiling pt. than that of the mixt. obtd. from the hydraulic fluid.