NL8102280A - Werkwijze voor het zuiveren van epsilon-caprolactam. - Google Patents

Werkwijze voor het zuiveren van epsilon-caprolactam. Download PDF

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Publication number
NL8102280A
NL8102280A NL8102280A NL8102280A NL8102280A NL 8102280 A NL8102280 A NL 8102280A NL 8102280 A NL8102280 A NL 8102280A NL 8102280 A NL8102280 A NL 8102280A NL 8102280 A NL8102280 A NL 8102280A
Authority
NL
Netherlands
Prior art keywords
stage
caprolactam
rectification column
column
mbar
Prior art date
Application number
NL8102280A
Other languages
English (en)
Dutch (nl)
Original Assignee
Stamicarbon
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=19837470&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=NL8102280(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority to NL8102280A priority Critical patent/NL8102280A/nl
Application filed by Stamicarbon filed Critical Stamicarbon
Priority to DE8282103753T priority patent/DE3265204D1/de
Priority to EP82103753A priority patent/EP0065168B1/en
Priority to IN1393/CAL/81A priority patent/IN155613B/en
Priority to KR8201971A priority patent/KR860000515B1/ko
Priority to JP57076435A priority patent/JPS57192358A/ja
Priority to CA000402546A priority patent/CA1182775A/en
Priority to US06/376,001 priority patent/US4457807A/en
Priority to ES511988A priority patent/ES8303352A1/es
Priority to BR8202661A priority patent/BR8202661A/pt
Publication of NL8102280A publication Critical patent/NL8102280A/nl

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/14—Fractional distillation or use of a fractionation or rectification column
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D201/00—Preparation, separation, purification or stabilisation of unsubstituted lactams
    • C07D201/16—Separation or purification
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S203/00—Distillation: processes, separatory
    • Y10S203/11—Batch distillation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Other In-Based Heterocyclic Compounds (AREA)
NL8102280A 1981-05-09 1981-05-09 Werkwijze voor het zuiveren van epsilon-caprolactam. NL8102280A (nl)

Priority Applications (10)

Application Number Priority Date Filing Date Title
NL8102280A NL8102280A (nl) 1981-05-09 1981-05-09 Werkwijze voor het zuiveren van epsilon-caprolactam.
DE8282103753T DE3265204D1 (en) 1981-05-09 1982-05-03 Process for the purification of epsilon caprolactam
EP82103753A EP0065168B1 (en) 1981-05-09 1982-05-03 process for the purification of epsilon caprolactam
IN1393/CAL/81A IN155613B (enExample) 1981-05-09 1982-05-05
KR8201971A KR860000515B1 (ko) 1981-05-09 1982-05-06 ε-카프로락탐의 정제 방법
JP57076435A JPS57192358A (en) 1981-05-09 1982-05-07 Purification of epsilon-caprolactam
BR8202661A BR8202661A (pt) 1981-05-09 1982-05-07 Processo para a purificacao de epsiloncaprolactama
CA000402546A CA1182775A (en) 1981-05-09 1982-05-07 Process for the purification of n-caprolactam
US06/376,001 US4457807A (en) 1981-05-09 1982-05-07 Process for the purification of ε-caprolactam
ES511988A ES8303352A1 (es) 1981-05-09 1982-05-07 "un procedimiento para la purificacion de e caprolactama".

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8102280A NL8102280A (nl) 1981-05-09 1981-05-09 Werkwijze voor het zuiveren van epsilon-caprolactam.
NL8102280 1981-05-09

Publications (1)

Publication Number Publication Date
NL8102280A true NL8102280A (nl) 1982-12-01

Family

ID=19837470

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8102280A NL8102280A (nl) 1981-05-09 1981-05-09 Werkwijze voor het zuiveren van epsilon-caprolactam.

Country Status (10)

Country Link
US (1) US4457807A (enExample)
EP (1) EP0065168B1 (enExample)
JP (1) JPS57192358A (enExample)
KR (1) KR860000515B1 (enExample)
BR (1) BR8202661A (enExample)
CA (1) CA1182775A (enExample)
DE (1) DE3265204D1 (enExample)
ES (1) ES8303352A1 (enExample)
IN (1) IN155613B (enExample)
NL (1) NL8102280A (enExample)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4767503A (en) * 1983-08-29 1988-08-30 Allied Corporation Removal of light impurities from caprolactam by distillation with water
NL8303028A (nl) * 1983-08-31 1985-03-18 Stamicarbon Winning van caprolactam uit caprolactam-bevattend destillatie-residu.
DE4129076C2 (de) * 1991-09-02 2001-11-15 Domo Caproleuna Gmbh Verfahren zur Reinigung von Caprolactam
DE4322953A1 (de) * 1993-07-09 1995-01-12 Basf Ag Verfahren zur Gewinnung von Caprolactam und eines Alkalimetallcarbonats aus Destillationsrückständen, die bei der Reinigung von Caprolactam anfallen
US5458740A (en) * 1994-03-04 1995-10-17 Basf Corporation Process for the purification of crude caprolactam
DE4407222A1 (de) * 1994-03-04 1995-09-07 Basf Ag Verfahren zur Rückgewinnung von Caprolactam aus Oliogo- und/oder Polymeren des Caprolactams
US5900482A (en) * 1995-07-20 1999-05-04 Mitsubishi Chemical Corporation Process for the preparation of ε-caprolactam
DE19648747A1 (de) * 1996-11-25 1998-05-28 Basf Ag Verfahren zur Rückgewinnung von Caprolactam und seinen Oligomeren aus wässrigen Polycaprolactam-Extrakten
US5990306A (en) 1997-09-03 1999-11-23 Alliedsignal Inc. Process for the purification of caprolactam obtained from the depolymerization of polyamide-containing carpet
FR2781796B1 (fr) * 1998-07-28 2000-09-22 Rhone Poulenc Fibres Procede de deshydratation de lactame
FR2809395B1 (fr) * 2000-05-26 2002-07-19 Rhodia Polyamide Intermediates Procede de purification de lactames
KR20040031007A (ko) * 2001-08-27 2004-04-09 디에스엠 아이피 어셋츠 비.브이. 감압하 알칼리 카프로락탐 생성물의 증류 방법
BR0214414A (pt) * 2001-11-26 2004-09-14 Dsm Ip Assets Bv Processo para recuperar caprolactama
US7022844B2 (en) 2002-09-21 2006-04-04 Honeywell International Inc. Amide-based compounds, production, recovery, purification and uses thereof
US8034967B2 (en) * 2007-11-30 2011-10-11 Sabic Innnovative Plastics IP B.V. Method of preparing a purified ester-substituted phenol stream
KR20100099310A (ko) * 2007-12-20 2010-09-10 디에스엠 아이피 어셋츠 비.브이. 변형된 후-증류에 의한 사이클로헥사논의 제조방법
CZ308473B6 (cs) * 2018-11-27 2020-09-09 Vysoká škola chemicko-technologická v Praze Způsob izolace ɛ-kaprolaktamu z horní laktamové fáze
CN114478343B (zh) * 2022-02-24 2024-07-23 江苏扬农化工集团有限公司 己内酰胺的精制提纯方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL161063C (nl) * 1969-04-05 1980-01-15 Stamicarbon Werkwijze voor het scheiden van vloeistoffen met behulp van een gelijkstroomverdamper met verticale pijpen.
DE2035859A1 (en) * 1969-09-09 1971-03-11 VEB Chemieanlagenbau Erfurt Rudis leben, χ 5211 Rudisieben Purification of thermally unstable mater- - ials eg caprolactam
US3939153A (en) * 1974-08-09 1976-02-17 Hillyard Chemical Company Process for producing caprolactam
IT1113404B (it) * 1979-02-28 1986-01-20 Snia Viscosa Internazionale brevetti s.r.l.via brentano 2 milano
DE2926279A1 (de) * 1979-06-29 1981-01-08 Basf Ag Verfahren zur reinigung von caprolactam

Also Published As

Publication number Publication date
ES511988A0 (es) 1983-02-01
EP0065168A1 (en) 1982-11-24
KR860000515B1 (ko) 1986-05-02
US4457807A (en) 1984-07-03
EP0065168B1 (en) 1985-08-07
BR8202661A (pt) 1983-04-19
CA1182775A (en) 1985-02-19
ES8303352A1 (es) 1983-02-01
JPS57192358A (en) 1982-11-26
DE3265204D1 (en) 1985-09-12
IN155613B (enExample) 1985-02-16
KR830010064A (ko) 1983-12-26

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BV The patent application has lapsed