FR2139172B1 - - Google Patents
Info
- Publication number
- FR2139172B1 FR2139172B1 FR7218999A FR7218999A FR2139172B1 FR 2139172 B1 FR2139172 B1 FR 2139172B1 FR 7218999 A FR7218999 A FR 7218999A FR 7218999 A FR7218999 A FR 7218999A FR 2139172 B1 FR2139172 B1 FR 2139172B1
- 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.)
- Expired
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)
- Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Crucibles And Fluidized-Bed Furnaces (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3614971A JPS5140541B1 (hu) | 1971-05-26 | 1971-05-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2139172A1 FR2139172A1 (hu) | 1973-01-05 |
| FR2139172B1 true FR2139172B1 (hu) | 1973-07-13 |
Family
ID=12461718
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7218999A Expired FR2139172B1 (hu) | 1971-05-26 | 1972-05-26 |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS5140541B1 (hu) |
| BE (1) | BE783904A (hu) |
| CH (1) | CH538655A (hu) |
| DE (1) | DE2224668A1 (hu) |
| FR (1) | FR2139172B1 (hu) |
| GB (1) | GB1395920A (hu) |
| IT (1) | IT955854B (hu) |
| NL (1) | NL7207112A (hu) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2486058A1 (fr) * | 1980-07-01 | 1982-01-08 | Ugine Kuhlmann | Nouveau procede de preparation d'alumines de haute purete a partir d'alun d'ammonium |
| 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 (fr) * | 1995-02-15 | 1997-03-21 | Air Liquide | Agencement d'une grille de retenue d'un materiau actif dans un recipient, et recipient ainsi equipe |
| FR3037130B1 (fr) * | 2015-06-05 | 2017-06-16 | Lepez Conseils Finance Innovations Lcfi | Four de craquage |
| DE102015110772A1 (de) | 2015-07-03 | 2017-01-05 | Outotec (Finland) Oy | Verfahren und Anlage zum Rösten von trockenen Erzpartikeln in einer Wirbelschicht |
| CN110935401B (zh) * | 2019-11-04 | 2022-05-27 | 佛山市大千环保科技有限公司 | 一种聚式流化床 |
-
1971
- 1971-05-26 JP JP3614971A patent/JPS5140541B1/ja active Pending
-
1972
- 1972-05-19 DE DE19722224668 patent/DE2224668A1/de active Pending
- 1972-05-23 GB GB2418172A patent/GB1395920A/en not_active Expired
- 1972-05-25 BE BE783904A patent/BE783904A/xx unknown
- 1972-05-25 IT IT2485572A patent/IT955854B/it active
- 1972-05-25 CH CH768872A patent/CH538655A/de not_active IP Right Cessation
- 1972-05-26 FR FR7218999A patent/FR2139172B1/fr not_active Expired
- 1972-05-26 NL NL7207112A patent/NL7207112A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR2139172A1 (hu) | 1973-01-05 |
| GB1395920A (en) | 1975-05-29 |
| JPS5140541B1 (hu) | 1976-11-04 |
| CH538655A (de) | 1973-06-30 |
| NL7207112A (hu) | 1972-11-28 |
| IT955854B (it) | 1973-09-29 |
| DE2224668A1 (de) | 1973-01-04 |
| BE783904A (fr) | 1972-09-18 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |