FR2139172A1 - - Google Patents

Info

Publication number
FR2139172A1
FR2139172A1 FR7218999A FR7218999A FR2139172A1 FR 2139172 A1 FR2139172 A1 FR 2139172A1 FR 7218999 A FR7218999 A FR 7218999A FR 7218999 A FR7218999 A FR 7218999A FR 2139172 A1 FR2139172 A1 FR 2139172A1
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
FR7218999A
Other languages
French (fr)
Other versions
FR2139172B1 (en
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.)
Mitsui Engineering and Shipbuilding Co Ltd
Original Assignee
Mitsui Engineering and Shipbuilding Co Ltd
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 Mitsui Engineering and Shipbuilding Co Ltd filed Critical Mitsui Engineering and Shipbuilding Co Ltd
Publication of FR2139172A1 publication Critical patent/FR2139172A1/fr
Application granted granted Critical
Publication of FR2139172B1 publication Critical patent/FR2139172B1/fr
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B1/00—Preliminary treatment of ores or scrap
    • C22B1/02—Roasting processes
    • C22B1/10—Roasting processes in fluidised form
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B13/00—Oxygen; Ozone; Oxides or hydroxides in general
    • C01B13/14—Methods for preparing oxides or hydroxides in general
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Geochemistry & Mineralogy (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Crucibles And Fluidized-Bed Furnaces (AREA)
FR7218999A 1971-05-26 1972-05-26 Expired FR2139172B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3614971A JPS5140541B1 (en) 1971-05-26 1971-05-26

Publications (2)

Publication Number Publication Date
FR2139172A1 true FR2139172A1 (en) 1973-01-05
FR2139172B1 FR2139172B1 (en) 1973-07-13

Family

ID=12461718

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7218999A Expired FR2139172B1 (en) 1971-05-26 1972-05-26

Country Status (8)

Country Link
JP (1) JPS5140541B1 (en)
BE (1) BE783904A (en)
CH (1) CH538655A (en)
DE (1) DE2224668A1 (en)
FR (1) FR2139172B1 (en)
GB (1) GB1395920A (en)
IT (1) IT955854B (en)
NL (1) NL7207112A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2486058A1 (en) * 1980-07-01 1982-01-08 Ugine Kuhlmann NOVEL PROCESS FOR THE PREPARATION OF HIGH-PURITY ALUMINA FROM AMMONIUM ALUM

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8610856D0 (en) * 1986-05-02 1986-06-11 Boc Group Plc Treatment of waste material
GB2190909B (en) * 1986-05-02 1990-05-02 Boc Group Plc Treatment of waste material
FR2730423B1 (en) * 1995-02-15 1997-03-21 Air Liquide ARRANGEMENT OF A RETAINING GRID OF AN ACTIVE MATERIAL IN A CONTAINER, AND CONTAINER THUS EQUIPPED
FR3037130B1 (en) * 2015-06-05 2017-06-16 Lepez Conseils Finance Innovations Lcfi CRACKING OVEN
DE102015110772A1 (en) 2015-07-03 2017-01-05 Outotec (Finland) Oy Method and plant for roasting dry ore particles in a fluidized bed
CN110935401B (en) * 2019-11-04 2022-05-27 佛山市大千环保科技有限公司 Converging fluidized bed

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2486058A1 (en) * 1980-07-01 1982-01-08 Ugine Kuhlmann NOVEL PROCESS FOR THE PREPARATION OF HIGH-PURITY ALUMINA FROM AMMONIUM ALUM
EP0043751A1 (en) * 1980-07-01 1982-01-13 Criceram Process for the preparation of high-purity aluminae from ammonium alum

Also Published As

Publication number Publication date
GB1395920A (en) 1975-05-29
NL7207112A (en) 1972-11-28
FR2139172B1 (en) 1973-07-13
DE2224668A1 (en) 1973-01-04
BE783904A (en) 1972-09-18
JPS5140541B1 (en) 1976-11-04
CH538655A (en) 1973-06-30
IT955854B (en) 1973-09-29

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Legal Events

Date Code Title Description
ST Notification of lapse