JPS5379816A - Urea treatment of aliphatic dicarbosylic acid-contg. - Google Patents

Urea treatment of aliphatic dicarbosylic acid-contg.

Info

Publication number
JPS5379816A
JPS5379816A JP15365576A JP15365576A JPS5379816A JP S5379816 A JPS5379816 A JP S5379816A JP 15365576 A JP15365576 A JP 15365576A JP 15365576 A JP15365576 A JP 15365576A JP S5379816 A JPS5379816 A JP S5379816A
Authority
JP
Japan
Prior art keywords
contg
aliphatic
urea treatment
dicarbosylic
acid
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.)
Granted
Application number
JP15365576A
Other languages
Japanese (ja)
Other versions
JPS5640138B2 (en
Inventor
Joji Nishikido
Nobuhiro Tamura
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.)
Asahi Chemical Industry Co Ltd
Original Assignee
Asahi Chemical Industry Co Ltd
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 Asahi Chemical Industry Co Ltd filed Critical Asahi Chemical Industry Co Ltd
Priority to JP15365576A priority Critical patent/JPS5379816A/en
Publication of JPS5379816A publication Critical patent/JPS5379816A/en
Publication of JPS5640138B2 publication Critical patent/JPS5640138B2/ja
Granted legal-status Critical Current

Links

Landscapes

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

Abstract

PURPOSE: To recover dicarboxylic acids, from the waste water contg. the acids as by-products in the production of adipic acid, by treatment with urea using specific solvents.
COPYRIGHT: (C)1978,JPO&Japio
JP15365576A 1976-12-21 1976-12-21 Urea treatment of aliphatic dicarbosylic acid-contg. Granted JPS5379816A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15365576A JPS5379816A (en) 1976-12-21 1976-12-21 Urea treatment of aliphatic dicarbosylic acid-contg.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15365576A JPS5379816A (en) 1976-12-21 1976-12-21 Urea treatment of aliphatic dicarbosylic acid-contg.

Publications (2)

Publication Number Publication Date
JPS5379816A true JPS5379816A (en) 1978-07-14
JPS5640138B2 JPS5640138B2 (en) 1981-09-18

Family

ID=15567274

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15365576A Granted JPS5379816A (en) 1976-12-21 1976-12-21 Urea treatment of aliphatic dicarbosylic acid-contg.

Country Status (1)

Country Link
JP (1) JPS5379816A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62139654U (en) * 1986-02-28 1987-09-03

Also Published As

Publication number Publication date
JPS5640138B2 (en) 1981-09-18

Similar Documents

Publication Publication Date Title
JPS5382743A (en) Preparation of glycol trimellitic acid anhydrides
JPS5391189A (en) Preparation of d-n-carbamoyl-alpha-amino acids
JPS5239643A (en) A process for preparing terephtalic acid
JPS5379816A (en) Urea treatment of aliphatic dicarbosylic acid-contg.
JPS5265226A (en) Preparation of halogenosilanes
JPS5231024A (en) Process for preparation of epoxysuccinic acid esters
JPS5312900A (en) Extraction of natural ribonucleic acid
JPS52111587A (en) Preparation of 6-aminopenam carboxylic acid-1-oxide or its derivatives
JPS51125251A (en) Process for preparing substituted cyclopropanecarboxylic acid esters
JPS5225704A (en) Process for preparation of glycols
JPS5242815A (en) Process for preparation of carboxylic acid esters
JPS52133912A (en) Preparation of butanediol
JPS5231094A (en) Preparation of cephalexin
JPS5219607A (en) Process for recovery of polyhydric alcohols
JPS51119904A (en) Brush system of dc motor
JPS5321250A (en) Dissolution of polyvinyl alcohol resin powder
JPS5219634A (en) Batchwise process of esterification
JPS5312806A (en) Preparation of alpha,omega-polymethylenediamine derivatives
JPS5232995A (en) Process for producing polyesters
JPS5224989A (en) Electrodialysis process
JPS5325522A (en) Purification of cis-epoxysuccic acid salts
JPS5273840A (en) Purification of monochlorocyclohexane
JPS5229893A (en) Process for producing polyester elastomers
JPS5257111A (en) Process for organic carboxylic acid silver
JPS523061A (en) Process for preparing 4-cyanoimidazole-5-carbamic acid esters