Ultrafiltration or reverse osmosis treatment of emulsified...

Details Ultrafiltration or reverse osmosis treatment of emulsified... Ultrafiltration or reverse osmosis treatment of emulsified...

C - Chemistry, Metallurgy

10

M

29/2, 182/15.3

C10M 175/06 (2006.01)

Patent

CA 1087107

ABSTRACT OF THE DISCLOSURE A portion of the oil-in-water emulsion used as a lubricant/coolant in the shaping of metal articles such as con- tainers is subjected to a reverse osmosis or ultrafiltration process to concentrate the oil portion and separate a water permeate. The oil concentrate is reincorporated in the remaining portion of the coolant and the permeate is used as rinse water to remove oil residues retained on the article from the metal shaping operation. The coolant is then reconstituted with the oil residue rinsed from the article.

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