JPS57130508A - Oil-water separating agent - Google Patents

Oil-water separating agent

Info

Publication number
JPS57130508A
JPS57130508A JP1532881A JP1532881A JPS57130508A JP S57130508 A JPS57130508 A JP S57130508A JP 1532881 A JP1532881 A JP 1532881A JP 1532881 A JP1532881 A JP 1532881A JP S57130508 A JPS57130508 A JP S57130508A
Authority
JP
Japan
Prior art keywords
oil
separating agent
water separating
fatty acid
ethylene oxide
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP1532881A
Other languages
Japanese (ja)
Inventor
Yoshio Aoki
Naoyuki Ikenaga
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kao Corp
Original Assignee
Kao Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kao Corp filed Critical Kao Corp
Priority to JP1532881A priority Critical patent/JPS57130508A/en
Publication of JPS57130508A publication Critical patent/JPS57130508A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To obtain a highly efficient oil-water separating agent, by adding ethylene oxide to a polyhydric alcohol having a specified structure in the presence of a catalyst, and esterifying part of the terminal hydroxyl groups with a fatty acid.
CONSTITUTION: An oil-water separating agent is composed of a compound, represented by the general formula, having an HLB value of 11W15. The oil-water separating agent having said composition is prepared as follows: ethylene oxide is added to a polyhydric alcohol, e.g. glycerol, tetritol, pentitol or sorbitol, in the presence of an acid or alkali catalyst, and then part of the terminal hydroxyl groups is esterified with a fatty acid so that a product includes at least one intact hydroxyl group. The fatty acid to be used includes one having 8W22 carbon atoms, e.g. lauric, stearic, tallow or coconut fatty acid. The obtained oil- water separating agent is added, as such or diluted with an organic solvent, e.g. toluene, to a crude oil emulsion at a rate of 0.001W0.05wt% in general.
COPYRIGHT: (C)1982,JPO&Japio
JP1532881A 1981-02-04 1981-02-04 Oil-water separating agent Pending JPS57130508A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1532881A JPS57130508A (en) 1981-02-04 1981-02-04 Oil-water separating agent

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1532881A JPS57130508A (en) 1981-02-04 1981-02-04 Oil-water separating agent

Publications (1)

Publication Number Publication Date
JPS57130508A true JPS57130508A (en) 1982-08-13

Family

ID=11885704

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1532881A Pending JPS57130508A (en) 1981-02-04 1981-02-04 Oil-water separating agent

Country Status (1)

Country Link
JP (1) JPS57130508A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2814385A1 (en) * 2000-09-28 2002-03-29 Elf Antar France Separation of mixture of two non-miscible liquid phases and solid phase comprises introduction of organic solvent lighter than organic phase of mixture

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2814385A1 (en) * 2000-09-28 2002-03-29 Elf Antar France Separation of mixture of two non-miscible liquid phases and solid phase comprises introduction of organic solvent lighter than organic phase of mixture

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