JPS56147732A - Extraction of 2-ethyl-2- oxyethyl -1,3-propanediol - Google Patents

Extraction of 2-ethyl-2- oxyethyl -1,3-propanediol

Info

Publication number
JPS56147732A
JPS56147732A JP4960680A JP4960680A JPS56147732A JP S56147732 A JPS56147732 A JP S56147732A JP 4960680 A JP4960680 A JP 4960680A JP 4960680 A JP4960680 A JP 4960680A JP S56147732 A JPS56147732 A JP S56147732A
Authority
JP
Japan
Prior art keywords
pipe
extractor
extractant
extraction
titled
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
JP4960680A
Other languages
Japanese (ja)
Inventor
Yoshiaki Toyoda
Yoshihiro Ikeda
Tadaharu Hase
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.)
Mitsui Toatsu Chemicals Inc
Original Assignee
Mitsui Toatsu Chemicals Inc
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 Mitsui Toatsu Chemicals Inc filed Critical Mitsui Toatsu Chemicals Inc
Priority to JP4960680A priority Critical patent/JPS56147732A/en
Publication of JPS56147732A publication Critical patent/JPS56147732A/en
Pending legal-status Critical Current

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  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

PURPOSE: To recover the titled compound and organic solvents from a reaction mixture containing the titled compound and an alkali metal formate, by extracting the mixture with an organic solvent which dissolves the titled compound, and then extracting the extraction residue with an aromatic hydrocarbon, thereby transferring the objective materials to the aqueous phase.
CONSTITUTION: The stock solution containing the titled substance and an alkali metal formate is supplied to a multistage continuous countercurrent extractor 11 through the pipe 1, and subjected to the countercurrent extraction with extraction solvent (extractant A), e.g. aliphatic alcohols, fed to the extractor through the pipe 2. The extracted liquid is supplied to the distillation column 13, the extractant A is recycled through the pipe 7, and the crude titled substance is obtained from the pipe 8. The extraction residue of the extractor 11 is transferred to the continuous countercurrent extractor 12, and extracted with an aromatic hydrocarbon (extractant B) fed through the pipe 3. The extracted liquid from the extractor 12 is introduced to the distillation column 14, the extractant B is recycled to the extractor 12 through the pipe 9, and the extractant A containing a small amount of the titled substance is added through the pipe 10 to the stock solution. The extraction residue composed mainly of the alkali metal formate and water is obtained through the pipe 6.
COPYRIGHT: (C)1981,JPO&Japio
JP4960680A 1980-04-17 1980-04-17 Extraction of 2-ethyl-2- oxyethyl -1,3-propanediol Pending JPS56147732A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4960680A JPS56147732A (en) 1980-04-17 1980-04-17 Extraction of 2-ethyl-2- oxyethyl -1,3-propanediol

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4960680A JPS56147732A (en) 1980-04-17 1980-04-17 Extraction of 2-ethyl-2- oxyethyl -1,3-propanediol

Publications (1)

Publication Number Publication Date
JPS56147732A true JPS56147732A (en) 1981-11-16

Family

ID=12835885

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4960680A Pending JPS56147732A (en) 1980-04-17 1980-04-17 Extraction of 2-ethyl-2- oxyethyl -1,3-propanediol

Country Status (1)

Country Link
JP (1) JPS56147732A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5898779A (en) * 1981-12-07 1983-06-11 東亜特殊電機株式会社 Character pattern preparation system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5898779A (en) * 1981-12-07 1983-06-11 東亜特殊電機株式会社 Character pattern preparation system

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