Mineral oils: processes and products – Refining – Water removal
Patent
1984-10-17
1986-06-24
Dixon, Jr., William R.
Mineral oils: processes and products
Refining
Water removal
210708, C10G 3304
Patent
active
045966532
ABSTRACT:
Emulsions of oil and water are broken by treating them with a demulsifier which is a polysiloxane polyalkylene oxide copolymer in which the polyalkylene oxide segment is composed of random ethylene oxide and propylene oxide units.
The demulsifier is particularly useful in breaking emulsions of water in crude oil which are normally difficult to separate and in breaking emulsions at relatively low temperatures, e.g. 30.degree. to 45.degree. C.
REFERENCES:
patent: 3115512 (1963-12-01), Rossmy
patent: 3700587 (1972-10-01), Hyde
patent: 3869388 (1975-03-01), Vennett
patent: 3880752 (1975-04-01), Premo
Graham David E.
Lidy Werner A.
McGrath Patrick C.
Thompson David G.
Dixon Jr. William R.
Prezlock Cynthia A.
The British Petroleum Company p.l.c.
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