NL277685A - - Google Patents

Info

Publication number
NL277685A
NL277685A NL277685DA NL277685A NL 277685 A NL277685 A NL 277685A NL 277685D A NL277685D A NL 277685DA NL 277685 A NL277685 A NL 277685A
Authority
NL
Netherlands
Application number
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.)
Publication of NL277685A publication Critical patent/NL277685A/xx

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D201/00Preparation, separation, purification or stabilisation of unsubstituted lactams
    • C07D201/16Separation or purification
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01CAMMONIA; CYANOGEN; COMPOUNDS THEREOF
    • C01C1/00Ammonia; Compounds thereof
    • C01C1/24Sulfates of ammonium
    • C01C1/242Preparation from ammonia and sulfuric acid or sulfur trioxide

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Other In-Based Heterocyclic Compounds (AREA)
  • Pyrrole Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
NL277685D 1961-04-27 NL277685A (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEB62294A DE1194863B (de) 1961-04-27 1961-04-27 Verfahren zur gleichzeitigen Gewinnung von reinem Ammoniumsulfat und reinen Lactamen aus Gemischen, die durch Beckmannsche Umlagerung von cycloaliphatischen Ketoximen mit Schwefelsaeure oder Oleum erhalten worden sind

Publications (1)

Publication Number Publication Date
NL277685A true NL277685A (es)

Family

ID=6973517

Family Applications (2)

Application Number Title Priority Date Filing Date
NL277685D NL277685A (es) 1961-04-27
NL277685A NL141509B (nl) 1961-04-27 1962-04-26 Werkwijze voor de gelijktijdige winning van ammoniumsulfaat en lactamen uit mengsels die verkregen worden door omlegging volgens beckmann van cycloalkanonoximen.

Family Applications After (1)

Application Number Title Priority Date Filing Date
NL277685A NL141509B (nl) 1961-04-27 1962-04-26 Werkwijze voor de gelijktijdige winning van ammoniumsulfaat en lactamen uit mengsels die verkregen worden door omlegging volgens beckmann van cycloalkanonoximen.

Country Status (4)

Country Link
CH (1) CH415640A (es)
DE (1) DE1194863B (es)
GB (1) GB996322A (es)
NL (2) NL141509B (es)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4138472A (en) * 1976-11-10 1979-02-06 Basf Aktiengesellschaft Process for obtaining coarsely crystalline pure ammonium sulfate
DE2651195C3 (de) * 1976-11-10 1985-01-31 Basf Ag, 6700 Ludwigshafen Verfahren zur Gewinnung von grobkristallinem reinem Ammonsulfat
DE2926279A1 (de) * 1979-06-29 1981-01-08 Basf Ag Verfahren zur reinigung von caprolactam
DE3635363A1 (de) * 1986-10-17 1988-04-21 Basf Ag Verfahren zur neutralisation von reaktionsgemischen, die durch beckmann'sche umlagerung von cyclohexanonoxim erhalten worden sind
DE4314281C1 (de) * 1993-04-30 1995-01-19 Leuna Werke Gmbh Verfahren zur Kristallisation verunreinigter wäßriger Ammoniumsulfatlösungen
DE4407222A1 (de) * 1994-03-04 1995-09-07 Basf Ag Verfahren zur Rückgewinnung von Caprolactam aus Oliogo- und/oder Polymeren des Caprolactams
EP1092681A1 (de) * 1999-10-13 2001-04-18 Va Tech Wabag AG Verfahren zum Neutralisieren einer Abfallsäure und gleichzeitigem Gewinnen von Salzkristallen
CN103896840B (zh) * 2012-12-28 2018-06-05 Cap Iii 有限公司 连续生产ε-己内酰胺的方法和设备
CN103896838B (zh) * 2012-12-28 2018-03-23 Cap Iii 有限公司 连续生产ε‑己内酰胺的方法和设备
WO2015010885A1 (en) * 2013-07-26 2015-01-29 Dsm Ip Assets B.V. Continuous process for recovery of caprolactam and crystalline ammonium sulfate
CZ308473B6 (cs) 2018-11-27 2020-09-09 Vysoká škola chemicko-technologická v Praze Způsob izolace ɛ-kaprolaktamu z horní laktamové fáze
CN111408157B (zh) * 2020-04-14 2021-09-14 中石化南京工程有限公司 一种硫酸铵结晶方法及其装置
CN115093354B (zh) * 2022-06-29 2024-01-16 中国天辰工程有限公司 一种贝克曼重排反应合成己内酰胺的方法
CN115367795B (zh) * 2022-09-01 2024-02-20 山东东佳集团股份有限公司 催化剂钛白粉水洗液回用于制酸尾气系统制备硫酸铵的新工艺

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE858701C (de) * 1942-10-17 1952-12-08 Basf Ag Verfahren zur Spaltung der bei der Umlagerung von Oximen cyclischer Ketone mit Schwefelsaeure erhaltenen Lactamester

Also Published As

Publication number Publication date
DE1194863B (de) 1965-06-16
CH415640A (de) 1966-06-30
NL141509B (nl) 1974-03-15
GB996322A (en) 1965-06-23

Similar Documents

Publication Publication Date Title
BE600209A (es)
BE600261A (es)
BE622363A (es)
BE621796A (es)
BE620621A (es)
BE617991A (es)
BE617071A (es)
BE396226A (es)
BE602153A (es)
BE602045A (es)
BE601970A (es)
BE601847A (es)
BE601846A (es)
BE458606A (es)
BE601744A (es)
BE601679A (es)
BE601532A (es)
BE601488A (es)
BE601466A (es)
BE601415A (es)
BE601393A (es)
BE601042A (es)
BE601041A (es)
BE600983A (es)
BE600841A (es)