MA50882A - Procédé de décomposition de sulfure de calcium - Google Patents
Procédé de décomposition de sulfure de calciumInfo
- Publication number
- MA50882A MA50882A MA050882A MA50882A MA50882A MA 50882 A MA50882 A MA 50882A MA 050882 A MA050882 A MA 050882A MA 50882 A MA50882 A MA 50882A MA 50882 A MA50882 A MA 50882A
- Authority
- MA
- Morocco
- Prior art keywords
- decomposition process
- calcium sulphide
- sulphide decomposition
- calcium
- sulphide
- Prior art date
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
-
- 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
- C01B17/42—Sulfides or polysulfides of magnesium, calcium, strontium, or barium
- C01B17/43—Sulfides or polysulfides of magnesium, calcium, strontium, or barium from oxides or hydroxides with sulfur or hydrogen sulfide
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/40—Carbon monoxide
-
- 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
- C01F11/10—Oxides or hydroxides from sulfides
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP17203183 | 2017-11-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
MA50882A true MA50882A (fr) | 2020-09-30 |
Family
ID=60673233
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MA050882A MA50882A (fr) | 2017-11-22 | 2018-11-22 | Procédé de décomposition de sulfure de calcium |
Country Status (6)
Country | Link |
---|---|
US (1) | US11383980B2 (fr) |
EP (1) | EP3713873A1 (fr) |
CN (1) | CN111491892B (fr) |
CA (1) | CA3082981A1 (fr) |
MA (1) | MA50882A (fr) |
WO (1) | WO2019103585A1 (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113120933B (zh) * | 2021-05-10 | 2022-06-17 | 山东大学 | 一种基于碳减排的生石灰制备工艺及系统 |
CN113603126B (zh) * | 2021-09-17 | 2022-06-14 | 中国科学院过程工程研究所 | 一种利用工业副产物石膏制备氧化钙的方法 |
CN114044534B (zh) * | 2021-11-25 | 2023-09-22 | 北京首钢股份有限公司 | 一种高温分解脱硫灰制备氧化钙的方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3087790A (en) | 1959-09-04 | 1963-04-30 | Iowa State College Res Found | Reductive decomposition of calcium sulfate |
US3729551A (en) * | 1971-01-07 | 1973-04-24 | Cons Coal Co | Conversion of calcium sulfate to calcium oxide and elemental sulfur |
CA1061987A (fr) * | 1974-05-15 | 1979-09-11 | Iowa State University Research Foundation, Inc. | Decomposition du sulfate de calcium par reduction et oxydation zonees dans un lit fluidise |
US4216197A (en) * | 1978-10-17 | 1980-08-05 | The United States Of America As Represented By The Administrator Of The United States Environmental Protection Agency | Converting calcium sulphide to calcium oxide |
US4503018A (en) | 1983-02-14 | 1985-03-05 | Davy Mckee Corporation | Desulfurization of phosphogypsum |
US6024932A (en) | 1993-05-11 | 2000-02-15 | Gas Research Institute | Method for the conversion of gypsum to elemental sulfur |
US5433939A (en) | 1994-03-14 | 1995-07-18 | Wheelock; Thomas D. | Cyclic process for oxidation of calcium sulfide |
US6083862A (en) * | 1994-03-14 | 2000-07-04 | Iowa State University Research Foundation, Inc. | Cyclic process for oxidation of calcium sulfide |
-
2018
- 2018-11-22 MA MA050882A patent/MA50882A/fr unknown
- 2018-11-22 CN CN201880083065.3A patent/CN111491892B/zh active Active
- 2018-11-22 US US16/766,461 patent/US11383980B2/en active Active
- 2018-11-22 WO PCT/MA2018/000018 patent/WO2019103585A1/fr unknown
- 2018-11-22 CA CA3082981A patent/CA3082981A1/fr active Pending
- 2018-11-22 EP EP18807731.7A patent/EP3713873A1/fr active Pending
Also Published As
Publication number | Publication date |
---|---|
RU2020120430A (ru) | 2021-12-23 |
CN111491892B (zh) | 2023-03-31 |
US20210261412A1 (en) | 2021-08-26 |
RU2020120430A3 (fr) | 2022-02-17 |
EP3713873A1 (fr) | 2020-09-30 |
CA3082981A1 (fr) | 2019-05-31 |
US11383980B2 (en) | 2022-07-12 |
WO2019103585A1 (fr) | 2019-05-31 |
CN111491892A (zh) | 2020-08-04 |
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