B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
134/54
B01D 17/05 (2006.01) B01D 17/04 (2006.01) B01F 17/16 (2006.01) C01F 5/00 (2006.01) C01F 7/00 (2006.01) C01F 11/00 (2006.01) C02F 1/52 (2006.01) C02F 1/54 (2006.01)
Patent
CA 2038907
Process for the separation of oil-in-water emulsions Abstract The process according to the invention for the separation of oil-in-water emulsions by treatment of the emulsions with organic ionic demulsifiers and/or inor- ganic demulsifiers comprises carrying out the separation in two steps by first adding an organic cationic demul- sifier to the o/w emulsions, and then adding an inorganic demulsifier, separating the oil phase from the resulting two phase system and then treating the aqueous phase with an inorganic demulsifier and with an organic anionic demulsifier. Le A 27 450
Augustin Thomas
Kehlenback Rolf
Litzinger Ulrich
Aktiengesellschaft Bayer
Fetherstonhaugh & Co.
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