Demulsifying process
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United States of America Patent
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-
Jun 24, 1986
Grant Date -
N/A
app pub date -
Oct 17, 1984
filing date -
Oct 21, 1983
priority date (Note) -
Expired
status (Latency Note)
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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.
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