MA50882A - Procédé de décomposition de sulfure de calcium - Google Patents

Procédé de décomposition de sulfure de calcium

Info

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
Application number
MA050882A
Other languages
English (en)
Inventor
Jamal Chaouki
Driss Dhiba
Ahmad Mohaddespour
Lhoussaine Omari
Original Assignee
Ocp Sa
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 Ocp Sa filed Critical Ocp Sa
Publication of MA50882A publication Critical patent/MA50882A/fr

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)
MA050882A 2017-11-22 2018-11-22 Procédé de décomposition de sulfure de calcium MA50882A (fr)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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
US6083862A (en) * 1994-03-14 2000-07-04 Iowa State University Research Foundation, Inc. Cyclic process for oxidation of calcium sulfide
US5433939A (en) 1994-03-14 1995-07-18 Wheelock; Thomas D. Cyclic process for oxidation of calcium sulfide

Also Published As

Publication number Publication date
RU2020120430A3 (fr) 2022-02-17
RU2020120430A (ru) 2021-12-23
CA3082981A1 (fr) 2019-05-31
US11383980B2 (en) 2022-07-12
CN111491892A (zh) 2020-08-04
CN111491892B (zh) 2023-03-31
WO2019103585A1 (fr) 2019-05-31
US20210261412A1 (en) 2021-08-26
EP3713873A1 (fr) 2020-09-30

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