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Ultrafiltration or reverse osmosis treatment of emulsified oil metal working coolants
Ultrafiltration or reverse osmosis treatment of emulsified oil metal working coolants
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机译:乳化油金属加工冷却液的超滤或反渗透处理
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摘要
A portion of the oil-in-water emulsion used as a lubricant/coolant in the shaping of metal articles such as containers 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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