NO125478B - - Google Patents

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Publication number
NO125478B
NO125478B NO2982/69A NO298269A NO125478B NO 125478 B NO125478 B NO 125478B NO 2982/69 A NO2982/69 A NO 2982/69A NO 298269 A NO298269 A NO 298269A NO 125478 B NO125478 B NO 125478B
Authority
NO
Norway
Prior art keywords
condensation
parts
nutrients
production
condensate
Prior art date
Application number
NO2982/69A
Other languages
English (en)
Norwegian (no)
Inventor
V Fattore
M Vecchio
G Groppelli
Original Assignee
Montedison Spa
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 Montedison Spa filed Critical Montedison Spa
Publication of NO125478B publication Critical patent/NO125478B/no

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C17/00Preparation of halogenated hydrocarbons
    • C07C17/013Preparation of halogenated hydrocarbons by addition of halogens
    • C07C17/04Preparation of halogenated hydrocarbons by addition of halogens to unsaturated halogenated hydrocarbons
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J27/00Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
    • B01J27/06Halogens; Compounds thereof
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C17/00Preparation of halogenated hydrocarbons
    • C07C17/013Preparation of halogenated hydrocarbons by addition of halogens
    • C07C17/02Preparation of halogenated hydrocarbons by addition of halogens to unsaturated hydrocarbons
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C17/00Preparation of halogenated hydrocarbons
    • C07C17/093Preparation of halogenated hydrocarbons by replacement by halogens
    • C07C17/20Preparation of halogenated hydrocarbons by replacement by halogens of halogen atoms by other halogen atoms
    • C07C17/202Preparation of halogenated hydrocarbons by replacement by halogens of halogen atoms by other halogen atoms two or more compounds being involved in the reaction
    • C07C17/206Preparation of halogenated hydrocarbons by replacement by halogens of halogen atoms by other halogen atoms two or more compounds being involved in the reaction the other compound being HX
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C17/00Preparation of halogenated hydrocarbons
    • C07C17/37Preparation of halogenated hydrocarbons by disproportionation of halogenated hydrocarbons
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/50Improvements relating to the production of bulk chemicals
    • Y02P20/582Recycling of unreacted starting or intermediate materials

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Catalysts (AREA)
  • Fertilizers (AREA)
NO2982/69A 1968-07-25 1969-07-17 NO125478B (en:Method)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT1944868 1968-07-25

Publications (1)

Publication Number Publication Date
NO125478B true NO125478B (en:Method) 1972-09-18

Family

ID=11158082

Family Applications (1)

Application Number Title Priority Date Filing Date
NO2982/69A NO125478B (en:Method) 1968-07-25 1969-07-17

Country Status (16)

Country Link
US (1) US3650987A (en:Method)
JP (1) JPS5013238B1 (en:Method)
AT (1) AT292024B (en:Method)
BE (1) BE736582A (en:Method)
BR (1) BR6911010D0 (en:Method)
CH (1) CH511056A (en:Method)
DE (1) DE1937110C3 (en:Method)
DK (1) DK126161B (en:Method)
ES (1) ES369847A1 (en:Method)
FR (1) FR2014711A1 (en:Method)
GB (1) GB1274030A (en:Method)
IL (1) IL32648A (en:Method)
NL (1) NL169036C (en:Method)
NO (1) NO125478B (en:Method)
SE (1) SE361134B (en:Method)
YU (1) YU32638B (en:Method)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6226239A (ja) * 1985-05-28 1987-02-04 イ−・アイ・デユポン・デ・ニモアス・アンド・カンパニ− フルオロオレフインの接触ハロゲン交換法
DE3660802D1 (en) 1985-05-28 1988-11-03 Du Pont Catalytic fluoroolefin transhalogenations
IT1202652B (it) * 1987-03-09 1989-02-09 Ausimont Spa Processo per la preparazione di 1,1,1-trifluoro-2,2-dicloroetano mediante idrofluorurazione in presenza di catalizzatori
US5262574A (en) * 1987-03-09 1993-11-16 Ausimont S.P.A. Process for preparing 1,1,1-trifluoro-2,2-dichloroethane by hydrofluorination in the presence of catalysts
US5276224A (en) * 1987-03-09 1994-01-04 Ausimont S.P.A. Process for preparing 1,1,1-trifluoro-2,2-dichloroethane by hydrofluorination in the presence of catalysts
US4766260A (en) * 1987-07-07 1988-08-23 E. I. Du Pont De Nemours And Company Gas-phase fluorination process
US4766259A (en) * 1987-08-13 1988-08-23 E. I. Du Pont De Nemours And Company Gas-phase fluorination process
US4798818A (en) * 1987-11-27 1989-01-17 Dow Corning Corporation Catalyst composition and process for its preparation
US4922037A (en) * 1988-02-24 1990-05-01 E. I. Du Pont De Nemours And Company Gas-phase fluorination process
US4996379A (en) * 1988-05-30 1991-02-26 Central Glass Company, Limited Method of preparing 1,1,1,2-tetrafluoroethane from 1,1-dichloro-1,2,2,2-tetrafluoroethane
US4902838A (en) * 1988-12-28 1990-02-20 E. I. Du Pont De Nemours And Company Isomerization of saturated fluorohydrocarbons
FR2669022B1 (fr) * 1990-11-13 1992-12-31 Atochem Procede de fabrication du tetrafluoro-1,1,1,2-ethane.
US5177273A (en) * 1991-02-01 1993-01-05 E. I. Du Pont De Nemours And Company Process for the manufacture of halogen-substituted propanes containing hydrogen and at least five fluorine substituents
US5243106A (en) * 1991-06-03 1993-09-07 E. I. Du Pont De Nemours And Company Processes using aluminum fluoride catalyst compositions for preparing 1,1-dichloro-1,2,2,2-tetrafluoroethane
US5243108A (en) * 1991-06-03 1993-09-07 E. I. Du Pont De Nemours And Company Aluminum fluoride catalyst compositions and use thereof in a chlorofluorination process for preparing 1,1-dichloro-1,2,2,2-tetrafluoroethane
FR2700770B1 (fr) * 1993-01-27 1995-03-24 Atochem Elf Sa Procédé de fabrication du 1,1,1,2-tétrafluoro-2-chloroéthane et du pentafluoroéthane.
FR2700766B1 (fr) * 1993-01-27 1995-03-24 Atochem Elf Sa Procédé de fluoration de perchloréthylène ou du pentachloréthane.
US5866730A (en) * 1993-04-02 1999-02-02 E. I. Du Pont De Nemours And Company Process for enriching 1,2-dichloro-1,1,2,2-tetrafluoroethane from a mixture of dichlorotetrafluoroethane isomers

Also Published As

Publication number Publication date
DK126161B (da) 1973-06-18
FR2014711A1 (en:Method) 1970-04-17
BR6911010D0 (pt) 1973-04-12
NL169036B (nl) 1982-01-04
NL6911020A (en:Method) 1970-01-27
BE736582A (en:Method) 1970-01-26
DE1937110C3 (de) 1980-08-14
SE361134B (en:Method) 1973-10-22
CH511056A (de) 1971-08-15
DE1937110A1 (de) 1970-09-10
DE1937110B2 (en:Method) 1979-11-15
AT292024B (de) 1971-08-10
YU32638B (en) 1975-04-30
JPS5013238B1 (en:Method) 1975-05-17
GB1274030A (en) 1972-05-10
ES369847A1 (es) 1971-07-16
YU188669A (en) 1974-10-31
US3650987A (en) 1972-03-21
IL32648A (en) 1972-11-28
IL32648A0 (en) 1969-09-25
NL169036C (nl) 1982-06-01

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