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公开(公告)号：US20220016554A1
公开(公告)日：2022-01-20
申请号：US17428728
申请日：2020-02-03
申请人： SKF RECONDOIL AB
发明人： Thomas PERSSON , Tomas ÖSTBERG , Fred SUNDSTRÖM
IPC分类号： B01D37/02 , B01D17/02 , B01D39/18 , B01D37/04 , C10M175/00
摘要： In a method and a system for purification of contaminated oil, the contaminated oil and a liquid separation aid are provided in a mixing tank and then mixed into a mixture. Thereafter, the mixture is filtered.
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公开(公告)号：US20220111317A1
公开(公告)日：2022-04-14
申请号：US17428688
申请日：2020-03-02
申请人： SKF RECONDOIL AB
发明人： Fred SUNDSTRÖM , Tomas ÖSTBERG , Thomas PERSSON
摘要： In a method for reconditioning an industrial oil and in an oil recovery system therefor, a used industrial oil is reconditioned by adding a liquid separation booster to the used industrial oil, and then the separation booster with attracted impurities is separated from the used industrial oil while leaving at least one specific additive in the oil. The separation booster is designed to attract impurities in the used oil while not attracting at least one specific additive in the oil.
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公开(公告)号：US20240252963A1
公开(公告)日：2024-08-01
申请号：US18633993
申请日：2024-04-12
申请人： SKF RECONDOIL AB
发明人： Thomas PERSSON , Tomas ÖSTBERG , Fred SUNDSTRÖM
CPC分类号： B01D37/02 , B01D17/0202 , B01D37/04 , B01D39/18 , C10M175/0016 , C10M175/0058 , B01D2201/182 , B01D2239/0407 , C10N2070/00
摘要： A liquid composition for use in purifying an oil contains a polar polymer, a surface active hydrotrope/solubilizer, and a co-tenside. The polar polymer may be a polyalkylene glycol, such as polyethylene glycol. The hydrotrope/solubilizer may be an anionic sulfonic acid, a phosphate ester-based substance or a non-ionic surfactant from the poly-glycoside family. The co-tenside may be at least one amphoteric co-surfactant, such as sodium caprylimino dipropionate.
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