FR2141794A1 - - Google Patents

Info

Publication number
FR2141794A1
FR2141794A1 FR7220559A FR7220559A FR2141794A1 FR 2141794 A1 FR2141794 A1 FR 2141794A1 FR 7220559 A FR7220559 A FR 7220559A FR 7220559 A FR7220559 A FR 7220559A FR 2141794 A1 FR2141794 A1 FR 2141794A1
Authority
FR
France
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
FR7220559A
Other versions
FR2141794B1 (fr
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.)
Chemiebau Dr A Zieren GmbH and KG
Original Assignee
Chemiebau Dr A Zieren GmbH and KG
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 Chemiebau Dr A Zieren GmbH and KG filed Critical Chemiebau Dr A Zieren GmbH and KG
Publication of FR2141794A1 publication Critical patent/FR2141794A1/fr
Application granted granted Critical
Publication of FR2141794B1 publication Critical patent/FR2141794B1/fr
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D201/00—Preparation, separation, purification or stabilisation of unsubstituted lactams
    • C07D201/16—Separation or purification
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B17/00—Sulfur; Compounds thereof
    • C01B17/48—Sulfur dioxide; Sulfurous acid
    • C01B17/50—Preparation of sulfur dioxide
    • C01B17/501—Preparation of sulfur dioxide by reduction of sulfur compounds
    • C01B17/504—Preparation of sulfur dioxide by reduction of sulfur compounds of ammonium sulfates
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
    • C01C1/00—Ammonia; Compounds thereof
    • C01C1/24—Sulfates of ammonium
    • 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
    • Y02P20/10—Process efficiency
    • Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Cephalosporin Compounds (AREA)
  • Hydrogenated Pyridines (AREA)
FR7220559A 1971-06-18 1972-06-08 Expired FR2141794B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712130036 DE2130036B2 (de) 1971-06-18 1971-06-18 Verfahren zur herstellung von lactamen

Publications (2)

Publication Number Publication Date
FR2141794A1 true FR2141794A1 (fr) 1973-01-26
FR2141794B1 FR2141794B1 (fr) 1977-12-23

Family

ID=5810994

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7220559A Expired FR2141794B1 (fr) 1971-06-18 1972-06-08

Country Status (11)

Country Link
US (1) US4054562A (fr)
JP (1) JPS4917276B1 (fr)
AT (1) AT318642B (fr)
BE (1) BE784559A (fr)
CH (1) CH591442A5 (fr)
DE (1) DE2130036B2 (fr)
ES (1) ES404007A1 (fr)
FR (1) FR2141794B1 (fr)
GB (1) GB1379126A (fr)
IT (1) IT956409B (fr)
NL (1) NL7207713A (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2351959A1 (fr) * 1976-02-03 1977-12-16 Stamicarbon Procede d'obtention d'e-caprolactame d'un melange reactionnel d'e-caprolactame-acide sulfurique
FR2356640A1 (fr) * 1976-06-28 1978-01-27 Stamicarbon Procede de production d'e-caprolactame a partir d'un melange reactionnel d'e-caprolactame-acide sulfurique
EP0010666A1 (fr) * 1978-10-16 1980-05-14 BASF Aktiengesellschaft Procédé de production continue d'epsilon-caprolactame par transposition de Beckmann
EP0083831A1 (fr) * 1982-01-05 1983-07-20 Fertilizer Development S.A. Procédé pour la production d'acide sulfurique et d'ammoniac
EP0244206A2 (fr) * 1986-05-02 1987-11-04 The BOC Group plc Récupération d'un mélange gazeux contenant du dioxyde de soufre à partir de résidus contenant des sulfates

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7700882A (nl) * 1977-01-28 1978-08-01 Stamicarbon Werkwijze voor het winnen van epsilon-caprolac- tam uit een epsilon-caprolactamzwavelzuurreac- tiemengsel.
US5498790A (en) * 1993-06-09 1996-03-12 Novus International, Inc. Regeneration of sulfuric acid from sulfate by-products of 2-hydroxy-4-(methylthio)butyric acid manufacture
US6469163B1 (en) * 1998-12-24 2002-10-22 Praxair Technology Inc. Method for production of hydroxylamine sulfate in the conventional process for the synthesis of caprolactam
US7022844B2 (en) 2002-09-21 2006-04-04 Honeywell International Inc. Amide-based compounds, production, recovery, purification and uses thereof
IN2015MU01410A (fr) 2015-04-02 2015-05-15 Anthea Aromatics Private Ltd

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3133055A (en) * 1964-05-12 Production ofcaprolactam
US2221369A (en) * 1940-11-12 Process foe producing lactams
NL282684A (fr) * 1961-08-30 1900-01-01
DE1199243B (de) * 1963-07-10 1965-08-26 Huels Chemische Werke Ag Verfahren zur Herstellung schwefeldioxydhaltiger Gase aus ammoniumsalzhaltigen Abfallschwefelsaeuren
NL136780C (fr) * 1963-10-31
GB1084096A (fr) * 1963-12-03 1900-01-01
DE1229995B (de) * 1964-01-17 1966-12-08 Chemiebau Dr A Zieren Ges Mit Verfahren zur Gewinnung von Ammoniak und Schwefeldioxyd
NL135679C (fr) * 1968-11-12 1900-01-01
GB1367241A (en) * 1971-02-19 1974-09-18 Zieren Chemiebau Gmbh Dr A Process for the combustion of ammonium sulphate
DE2110036C3 (de) * 1971-03-03 1975-10-02 Davy Powergas Gmbh, 5000 Koeln Verfahren zur Spaltung von Ammoniumsulfat
US3852273A (en) * 1971-05-07 1974-12-03 Stamicarbon Process for preparing and recovering lactams
NL164028C (nl) * 1971-05-07 1980-11-17 Stamicarbon Werkwijze voor de afscheiding van lactamen.

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2351959A1 (fr) * 1976-02-03 1977-12-16 Stamicarbon Procede d'obtention d'e-caprolactame d'un melange reactionnel d'e-caprolactame-acide sulfurique
FR2356640A1 (fr) * 1976-06-28 1978-01-27 Stamicarbon Procede de production d'e-caprolactame a partir d'un melange reactionnel d'e-caprolactame-acide sulfurique
EP0010666A1 (fr) * 1978-10-16 1980-05-14 BASF Aktiengesellschaft Procédé de production continue d'epsilon-caprolactame par transposition de Beckmann
EP0083831A1 (fr) * 1982-01-05 1983-07-20 Fertilizer Development S.A. Procédé pour la production d'acide sulfurique et d'ammoniac
EP0244206A2 (fr) * 1986-05-02 1987-11-04 The BOC Group plc Récupération d'un mélange gazeux contenant du dioxyde de soufre à partir de résidus contenant des sulfates
EP0244206A3 (en) * 1986-05-02 1988-08-17 The Boc Group Plc Recovery of a sulphur dioxide-containing gas mixture from a sulphate-containing waste material
US4853206A (en) * 1986-05-02 1989-08-01 The Boc Group Plc Treatment of waste material

Also Published As

Publication number Publication date
AT318642B (de) 1974-11-11
FR2141794B1 (fr) 1977-12-23
GB1379126A (en) 1975-01-02
CH591442A5 (fr) 1977-09-15
BE784559A (fr) 1972-10-02
DE2130036A1 (de) 1973-01-04
DE2130036B2 (de) 1977-02-10
NL7207713A (fr) 1972-12-20
JPS4917276B1 (fr) 1974-04-27
IT956409B (it) 1973-10-10
US4054562A (en) 1977-10-18
ES404007A1 (es) 1975-06-01

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Legal Events

Date Code Title Description
CD Change of name or company name
TP Transmission of property
ST Notification of lapse