BE447078A - - Google Patents

Info

Publication number
BE447078A
BE447078A BE447078DA BE447078A BE 447078 A BE447078 A BE 447078A BE 447078D A BE447078D A BE 447078DA BE 447078 A BE447078 A BE 447078A
Authority
BE
Belgium
Prior art keywords
emi
sulfur
slag
kilograms
calcium sulphate
Prior art date
Application number
Other languages
English (en)
French (fr)
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.)
Publication of BE447078A publication Critical patent/BE447078A/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
    • C01B17/02—Preparation of sulfur; Purification
    • C01B17/0253—Preparation of sulfur; Purification from non-gaseous sulfur compounds other than sulfides or materials containing such sulfides
    • C01B17/0259—Preparation of sulfur; Purification from non-gaseous sulfur compounds other than sulfides or materials containing such sulfides by reduction of sulfates
    • C01B17/0264—Preparation of sulfur; Purification from non-gaseous sulfur compounds other than sulfides or materials containing such sulfides by reduction of sulfates of calcium sulfates
    • 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
    • C01B17/02—Preparation of sulfur; Purification
    • C01B17/06—Preparation of sulfur; Purification from non-gaseous sulfides or materials containing such sulfides, e.g. ores

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Processing Of Solid Wastes (AREA)
BE447078D 1941-09-13 BE447078A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE886981X 1941-09-13

Publications (1)

Publication Number Publication Date
BE447078A true BE447078A (de)

Family

ID=6833572

Family Applications (1)

Application Number Title Priority Date Filing Date
BE447078D BE447078A (de) 1941-09-13

Country Status (2)

Country Link
BE (1) BE447078A (de)
FR (1) FR886981A (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4520002A (en) * 1984-01-20 1985-05-28 Merichem Company Method for preparing elemental sulfur as a diffusion-resistant gas and methods for its use in making lime, sulfur dioxide and sulfuric acid from waste gypsum

Also Published As

Publication number Publication date
FR886981A (fr) 1943-10-29

Similar Documents

Publication Publication Date Title
US1743080A (en) Manufacture of pulp and treatment of residual liquors, etc.
US4415543A (en) Process for treating phospho-gypsum waste product from wet-acid process of making phosphoric acid
JPH11509586A (ja) 石灰と石灰スラッジからの不純物の分離法と、不純物、例えばケイ素を含有する緑液の２段階カセイ化法
US3383171A (en) Process for splitting waste sulfuric acids
BE447078A (de)
JP2003171114A (ja) シリカゲルの製造方法
US4472360A (en) Process using carbonate reagent for recovering vanadium from cokes and ashes derived from heavy oils
US5174860A (en) Low temperature recovery of kraft black liquor
US1892999A (en) Process for recovering sulphur
US2056929A (en) Production of alkaline compounds, sulphuric acid, and other valuable chemicals
CH156745A (fr) Procédé de fabrication de chromates et de bichromates.
FR2600635A1 (fr) Procede pour la production de matieres utiles y compris de la nepheline synthetique a partir des boues rouges du procede bayer
US2216402A (en) Method of producing pure magnesium compounds
JPH0536549B2 (de)
US2837403A (en) Production of potassium carbonate
US4362709A (en) Process of preparing sinter magnesia
US2065547A (en) Method of treatment of pyritic materials
US1897921A (en) Production of sulphur from sulphides
NO126986B (de)
US3226190A (en) Recovery process for calcium-base sulfite spent liquor
US1198816A (en) Process of manufacturing cement or hydraulic lime from calcium sulfate.
US1417831A (en) Process for obtaining in soluble state some of the constituents of complex rocks
US1077309A (en) Method of preparing aluminum sulfate.
RU2465196C2 (ru) Способ выделения серы
US690502A (en) Method of making hydrogen sulfid.