BR8202661A - Processo para a purificacao de epsiloncaprolactama - Google Patents

Processo para a purificacao de epsiloncaprolactama

Info

Publication number
BR8202661A
BR8202661A BR8202661A BR8202661A BR8202661A BR 8202661 A BR8202661 A BR 8202661A BR 8202661 A BR8202661 A BR 8202661A BR 8202661 A BR8202661 A BR 8202661A BR 8202661 A BR8202661 A BR 8202661A
Authority
BR
Brazil
Prior art keywords
epsiloncaprolactama
purification process
purification
epsiloncaprolactama purification
Prior art date
Application number
BR8202661A
Other languages
English (en)
Inventor
Peter Franciscus Maria Rulkens
Nicolas Franciscus Haasen
Otto Gerrit Plantema
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=BR8202661(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Stamicarbon filed Critical Stamicarbon
Publication of BR8202661A publication Critical patent/BR8202661A/pt

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
BR8202661A 1981-05-09 1982-05-07 Processo para a purificacao de epsiloncaprolactama BR8202661A (pt)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
BR8202661A true BR8202661A (pt) 1983-04-19

Family

ID=19837470

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8202661A BR8202661A (pt) 1981-05-09 1982-05-07 Processo para a purificacao de epsiloncaprolactama

Country Status (10)

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

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
DE4407222A1 (de) * 1994-03-04 1995-09-07 Basf Ag Verfahren zur Rückgewinnung von Caprolactam aus Oliogo- und/oder Polymeren des Caprolactams
US5458740A (en) * 1994-03-04 1995-10-17 Basf Corporation Process for the purification of crude caprolactam
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
EP1448518A1 (en) * 2001-11-26 2004-08-25 DSM IP Assets B.V. Process for recovering caprolactam
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
JP2011506547A (ja) * 2007-12-20 2011-03-03 ディーエスエム アイピー アセッツ ビー．ブイ． 修正された後蒸留を伴うシクロヘキサノン生産プロセス
CZ308473B6 (cs) * 2018-11-27 2020-09-09 Vysoká škola chemicko-technologická v Praze Způsob izolace ɛ-kaprolaktamu z horní laktamové fáze
CN114478343A (zh) * 2022-02-24 2022-05-13 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
CA1182775A (en) 1985-02-19
KR860000515B1 (ko) 1986-05-02
US4457807A (en) 1984-07-03
EP0065168B1 (en) 1985-08-07
JPS57192358A (en) 1982-11-26
ES511988A0 (es) 1983-02-01
KR830010064A (ko) 1983-12-26
EP0065168A1 (en) 1982-11-24
NL8102280A (nl) 1982-12-01
DE3265204D1 (en) 1985-09-12
IN155613B (pt) 1985-02-16
ES8303352A1 (es) 1983-02-01

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