CA965220A - Process for decomposing calcium sulfate - Google Patents
Process for decomposing calcium sulfateInfo
- Publication number
- CA965220A CA965220A CA117,539A CA117539A CA965220A CA 965220 A CA965220 A CA 965220A CA 117539 A CA117539 A CA 117539A CA 965220 A CA965220 A CA 965220A
- Authority
- CA
- Canada
- Prior art keywords
- calcium sulfate
- decomposing calcium
- decomposing
- sulfate
- calcium
- 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.)
- Expired
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
- C01B17/506—Preparation of sulfur dioxide by reduction of sulfur compounds of calcium sulfates
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F11/00—Compounds of calcium, strontium, or barium
- C01F11/02—Oxides or hydroxides
- C01F11/08—Oxides or hydroxides by reduction of sulfates
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Treating Waste Gases (AREA)
- Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US5907270A | 1970-07-29 | 1970-07-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA965220A true CA965220A (en) | 1975-04-01 |
Family
ID=22020674
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA117,539A Expired CA965220A (en) | 1970-07-29 | 1971-07-06 | Process for decomposing calcium sulfate |
Country Status (5)
Country | Link |
---|---|
CA (1) | CA965220A (en) |
DE (1) | DE2136864A1 (en) |
FR (1) | FR2112189B1 (en) |
GB (1) | GB1346659A (en) |
ZA (1) | ZA713975B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2735733A1 (en) * | 1977-08-08 | 1979-02-15 | Exxon Research Engineering Co | Elemental sulphur prodn. from solid sulphur cpd. - in fluidised bed having cpd. in lower layer and char in upper layer |
-
1971
- 1971-06-18 ZA ZA713975A patent/ZA713975B/en unknown
- 1971-07-06 CA CA117,539A patent/CA965220A/en not_active Expired
- 1971-07-23 DE DE19712136864 patent/DE2136864A1/en active Pending
- 1971-07-28 FR FR7127633A patent/FR2112189B1/fr not_active Expired
- 1971-07-29 GB GB3577171A patent/GB1346659A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2112189A1 (en) | 1972-06-16 |
GB1346659A (en) | 1974-02-13 |
FR2112189B1 (en) | 1974-03-29 |
DE2136864A1 (en) | 1972-02-03 |
ZA713975B (en) | 1972-01-26 |
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