FR2280711A1 - Procede de reduction des sulfates d'ammonium fondus contenant des impuretes metalliques - Google Patents

Procede de reduction des sulfates d'ammonium fondus contenant des impuretes metalliques

Info

Publication number
FR2280711A1
FR2280711A1 FR7427060A FR7427060A FR2280711A1 FR 2280711 A1 FR2280711 A1 FR 2280711A1 FR 7427060 A FR7427060 A FR 7427060A FR 7427060 A FR7427060 A FR 7427060A FR 2280711 A1 FR2280711 A1 FR 2280711A1
Authority
FR
France
Prior art keywords
reduction
containing metal
metal impurities
molten ammonium
ammonium sulphates
Prior art date
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
FR7427060A
Other languages
English (en)
French (fr)
Other versions
FR2280711B1 (https=
Inventor
Claude Dezael
Philippe Renault
Andre Deschamps
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.)
IFP Energies Nouvelles IFPEN
Original Assignee
IFP Energies Nouvelles IFPEN
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 IFP Energies Nouvelles IFPEN filed Critical IFP Energies Nouvelles IFPEN
Priority to FR7427060A priority Critical patent/FR2280711A1/fr
Priority to US05/597,532 priority patent/US4029745A/en
Priority to DE19752532709 priority patent/DE2532709A1/de
Priority to JP50094670A priority patent/JPS5144596A/ja
Publication of FR2280711A1 publication Critical patent/FR2280711A1/fr
Application granted granted Critical
Publication of FR2280711B1 publication Critical patent/FR2280711B1/fr
Granted legal-status Critical Current

Links

Classifications

    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Removal Of Specific Substances (AREA)
  • Manufacture And Refinement Of Metals (AREA)
FR7427060A 1974-08-01 1974-08-01 Procede de reduction des sulfates d'ammonium fondus contenant des impuretes metalliques Granted FR2280711A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR7427060A FR2280711A1 (fr) 1974-08-01 1974-08-01 Procede de reduction des sulfates d'ammonium fondus contenant des impuretes metalliques
US05/597,532 US4029745A (en) 1974-08-01 1975-07-21 Process for reducing molten ammonium sulfates containing metallic impurities to ammonia and sulfur dioxide
DE19752532709 DE2532709A1 (de) 1974-08-01 1975-07-22 Verfahren zur reduktion von geschmolzenem ammoniumsulfat, das metallische verunreinigungen enthaelt
JP50094670A JPS5144596A (https=) 1974-08-01 1975-08-01

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7427060A FR2280711A1 (fr) 1974-08-01 1974-08-01 Procede de reduction des sulfates d'ammonium fondus contenant des impuretes metalliques

Publications (2)

Publication Number Publication Date
FR2280711A1 true FR2280711A1 (fr) 1976-02-27
FR2280711B1 FR2280711B1 (https=) 1977-10-14

Family

ID=9142097

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7427060A Granted FR2280711A1 (fr) 1974-08-01 1974-08-01 Procede de reduction des sulfates d'ammonium fondus contenant des impuretes metalliques

Country Status (4)

Country Link
US (1) US4029745A (https=)
JP (1) JPS5144596A (https=)
DE (1) DE2532709A1 (https=)
FR (1) FR2280711A1 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2353483A1 (fr) * 1976-05-31 1977-12-30 Inst Francais Du Petrole Conversion catalytique d'un sulfate d'ammonium en dioxyde de soufre et ammoniac
DE2900426A1 (de) * 1978-01-10 1979-07-12 Inst Francais Du Petrol Verfahren zur umwandlung von ammonium- imidodisulfat, ammoniumsulfamat und ammoniumdithionat in schwefeldioxid und ammoniak

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB255876A (en) * 1925-07-24 1927-10-13 Walther Demann Process and apparatus for neutralising ammonium sulphate crystals
BE756173R (fr) * 1969-09-16 1971-03-15 Stamicarbon Procede pour l'obtention de sulfate d'ammonium a partir d'une solution aqueuse de sulfate d'ammonium, qui contient des matieres
FR2138545B1 (https=) * 1971-05-27 1973-05-25 Inst Francais Du Petrole
FR2157180A6 (https=) * 1971-07-20 1973-06-01 Inst Francais Du Petrole

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NEANT *

Also Published As

Publication number Publication date
US4029745A (en) 1977-06-14
JPS5144596A (https=) 1976-04-16
FR2280711B1 (https=) 1977-10-14
DE2532709A1 (de) 1976-02-12

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Legal Events

Date Code Title Description
ST Notification of lapse