JPH0558624B2 - - Google Patents

Info

Publication number
JPH0558624B2
JPH0558624B2 JP61291576A JP29157686A JPH0558624B2 JP H0558624 B2 JPH0558624 B2 JP H0558624B2 JP 61291576 A JP61291576 A JP 61291576A JP 29157686 A JP29157686 A JP 29157686A JP H0558624 B2 JPH0558624 B2 JP H0558624B2
Authority
JP
Japan
Prior art keywords
cyclohexanone
water
caprolactam
thermal decomposition
pyrolysis
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.)
Expired - Fee Related
Application number
JP61291576A
Other languages
English (en)
Japanese (ja)
Other versions
JPS63145260A (ja
Inventor
Jihachiro Takeishi
Kyoshi Kumakawa
Katsuzo Harada
Masaki Kashibe
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.)
Ube Corp
Original Assignee
Ube Industries 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 Ube Industries Ltd filed Critical Ube Industries Ltd
Priority to JP61291576A priority Critical patent/JPS63145260A/ja
Publication of JPS63145260A publication Critical patent/JPS63145260A/ja
Publication of JPH0558624B2 publication Critical patent/JPH0558624B2/ja
Granted legal-status Critical Current

Links

Classifications

    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/30—Improvements relating to adipic acid or caprolactam production

Landscapes

  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
JP61291576A 1986-12-09 1986-12-09 １，１′−パ−オキシジシクロヘキシルアミン熱分解生成物の回収法 Granted JPS63145260A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP61291576A JPS63145260A (ja) 1986-12-09 1986-12-09 １，１′−パ−オキシジシクロヘキシルアミン熱分解生成物の回収法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61291576A JPS63145260A (ja) 1986-12-09 1986-12-09 １，１′−パ−オキシジシクロヘキシルアミン熱分解生成物の回収法

Publications (2)

Publication Number Publication Date
JPS63145260A JPS63145260A (ja) 1988-06-17
JPH0558624B2 true JPH0558624B2 (enrdf_load_stackoverflow) 1993-08-27

Family

ID=17770709

Family Applications (1)

Application Number Title Priority Date Filing Date
JP61291576A Granted JPS63145260A (ja) 1986-12-09 1986-12-09 １，１′−パ−オキシジシクロヘキシルアミン熱分解生成物の回収法

Country Status (1)

Country Link
JP (1) JPS63145260A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109678754B (zh) * 2017-10-19 2021-09-07 万华化学集团股份有限公司 一种11-氰基十一酸的制备方法
CN117466774A (zh) * 2023-11-15 2024-01-30 江苏扬农化工集团有限公司 一种分离提纯过氧化双环己胺热解反应液的方法

Also Published As

Publication number Publication date
JPS63145260A (ja) 1988-06-17

Similar Documents

Publication Publication Date Title
US8231765B2 (en) Process for the purification of lactams
EP0019326A1 (en) Process for purifying urea-containing waste water and process for preparing melamine
JP2009508884A (ja) 不均一系オキシム化および転位によるアミドを生産する方法
US4737318A (en) Recovery of acetic anhydride
DD146588A5 (de) Verfahren zur rueckgewinnung von acrylsaeure
JPH0558624B2 (enrdf_load_stackoverflow)
EP0424436B1 (en) Process for the production of anhydrous oxime from an aqueous solution
CN100384818C (zh) 高纯度己内酰胺的精制方法
US4326925A (en) Process for the purification of caprolactame
JPH01211544A (ja) ビスフェノールａの製造方法
US3354056A (en) Steam distilling and crystallization to separate succinic acid, glutaric acid and adipic acid from mixture thereof
KR102218342B1 (ko) Hpo 추출 구역으로부터 배출된 무기 공정 액체의 스팀 스트리핑 및 응축 열의 이용
JPH0558625B2 (enrdf_load_stackoverflow)
US3436317A (en) Treatment of unreacted substances in urea synthesis
KR100732799B1 (ko) 황산암모늄 용액 상과 수성 락탐 상을 포함하는 혼합물의 처리 방법
US3941838A (en) Partial dehydration of cyclohexanone oxime
JPS63227538A (ja) １，１′−パ−オキシジシクロヘキシルアミンの熱分解反応混合液からシクロヘキサノンを回収する方法
US3429783A (en) Process for upgrading an acrylonitrile electrohydrodimerization effluent containing adiponitrile by distillation and alkaline treatment
JPH0791263B2 (ja) カプロラクタムの回収方法および装置
EP4304369B1 (en) Method for recovery of aroma from coffee extracts
JPS6054306B2 (ja) ニコチンアミド製造法
JPS6149305B2 (enrdf_load_stackoverflow)
JPH0641447B2 (ja) ラクタムの製造法
JPS63145259A (ja) １１−シアノウンデカン酸の生成法
DE1938103A1 (de) Verfahren zur Trennung von Dicarbonsaeuregemischen

Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees