JPS52136183A - Recovery of piperazine - Google Patents

Recovery of piperazine

Info

Publication number
JPS52136183A
JPS52136183A JP5306376A JP5306376A JPS52136183A JP S52136183 A JPS52136183 A JP S52136183A JP 5306376 A JP5306376 A JP 5306376A JP 5306376 A JP5306376 A JP 5306376A JP S52136183 A JPS52136183 A JP S52136183A
Authority
JP
Japan
Prior art keywords
piperazine
recovery
piperozine
unreacted
distillation
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
JP5306376A
Other languages
Japanese (ja)
Other versions
JPS6043346B2 (en
Inventor
Ryuichi Saito
Hisao Takahashi
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.)
Kawaken Fine Chemicals Co Ltd
Original Assignee
Kawaken Fine Chemicals 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 Kawaken Fine Chemicals Co Ltd filed Critical Kawaken Fine Chemicals Co Ltd
Priority to JP51053063A priority Critical patent/JPS6043346B2/en
Publication of JPS52136183A publication Critical patent/JPS52136183A/en
Publication of JPS6043346B2 publication Critical patent/JPS6043346B2/en
Expired legal-status Critical Current

Links

Abstract

PURPOSE: To recover the unreacted piperozine from the reaction mixture of the piperazine by the distillation with specific additives such as an aliphatic alcohol.
COPYRIGHT: (C)1977,JPO&Japio
JP51053063A 1976-05-10 1976-05-10 Recovery method of piperazine Expired JPS6043346B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP51053063A JPS6043346B2 (en) 1976-05-10 1976-05-10 Recovery method of piperazine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP51053063A JPS6043346B2 (en) 1976-05-10 1976-05-10 Recovery method of piperazine

Publications (2)

Publication Number Publication Date
JPS52136183A true JPS52136183A (en) 1977-11-14
JPS6043346B2 JPS6043346B2 (en) 1985-09-27

Family

ID=12932369

Family Applications (1)

Application Number Title Priority Date Filing Date
JP51053063A Expired JPS6043346B2 (en) 1976-05-10 1976-05-10 Recovery method of piperazine

Country Status (1)

Country Link
JP (1) JPS6043346B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008508342A (en) * 2004-08-05 2008-03-21 ビーエーエスエフ ソシエタス・ヨーロピア Method for improving the color stability of piperazine
JP2014005267A (en) * 2012-05-31 2014-01-16 Tosoh Corp Purification method of n-alkyl piperazines

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008508342A (en) * 2004-08-05 2008-03-21 ビーエーエスエフ ソシエタス・ヨーロピア Method for improving the color stability of piperazine
JP4934031B2 (en) * 2004-08-05 2012-05-16 ビーエーエスエフ ソシエタス・ヨーロピア Method for improving the color stability of piperazine
JP2014005267A (en) * 2012-05-31 2014-01-16 Tosoh Corp Purification method of n-alkyl piperazines

Also Published As

Publication number Publication date
JPS6043346B2 (en) 1985-09-27

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