FR577072A - Improvements in the production of sodium sulphide - Google Patents

Improvements in the production of sodium sulphide

Info

Publication number
FR577072A
FR577072A FR577072DA FR577072A FR 577072 A FR577072 A FR 577072A FR 577072D A FR577072D A FR 577072DA FR 577072 A FR577072 A FR 577072A
Authority
FR
France
Prior art keywords
production
sodium sulphide
sulphide
sodium
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
Application number
Other languages
French (fr)
Inventor
Horace Freeman
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CANADA CARBIDE Co Ltd
Original Assignee
CANADA CARBIDE Co Ltd
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 CANADA CARBIDE Co Ltd filed Critical CANADA CARBIDE Co Ltd
Application granted granted Critical
Publication of FR577072A publication Critical patent/FR577072A/en
Expired legal-status Critical Current

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
    • C01B17/22—Alkali metal sulfides or polysulfides
    • C01B17/24—Preparation by reduction
    • C01B17/26—Preparation by reduction with carbon

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
FR577072D 1923-02-14 1924-02-12 Improvements in the production of sodium sulphide Expired FR577072A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US577072XA 1923-02-14 1923-02-14

Publications (1)

Publication Number Publication Date
FR577072A true FR577072A (en) 1924-08-30

Family

ID=22012258

Family Applications (1)

Application Number Title Priority Date Filing Date
FR577072D Expired FR577072A (en) 1923-02-14 1924-02-12 Improvements in the production of sodium sulphide

Country Status (1)

Country Link
FR (1) FR577072A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112320767A (en) * 2020-10-30 2021-02-05 金川集团股份有限公司 Novel electric furnace and process method for producing high-purity sodium sulfide

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112320767A (en) * 2020-10-30 2021-02-05 金川集团股份有限公司 Novel electric furnace and process method for producing high-purity sodium sulfide
CN112320767B (en) * 2020-10-30 2023-08-15 金川集团股份有限公司 Electric furnace for producing high-purity sodium sulfide

Similar Documents

Publication Publication Date Title
FR577072A (en) Improvements in the production of sodium sulphide
FR551013A (en) Improvements in the manufacture of cellulose
FR548270A (en) Improvements in the manufacture of articulated lids
FR552629A (en) Improvements in the manufacture of caustic soda
FR566822A (en) Improvements in the production of esters
FR562722A (en) Improvements relating to the manufacture of caustic soda
FR583655A (en) Improvements in the manufacture of cellulose acetates
FR586104A (en) Improvements in the production of cookies
FR573197A (en) Improvement in the production of linoleum
FR587205A (en) Improvements in the manufacture of ethers
FR568188A (en) Improvements made in the manufacture of bracelets
FR575205A (en) Improvements in the manufacture of synthetic menthol
FR32468E (en) Improvements in the production of phonograms
FR33754E (en) Improvements in the production of phonograms
FR32727E (en) Improvements in the production of phonograms
FR31317E (en) Improvements in the production of phonograms
FR551777A (en) Improvement in the manufacture of sulfur paints
FR566315A (en) Improvements in the manufacture of tire beads
FR541104A (en) Improvements in the manufacture of lithopone
FR568736A (en) Improvements in the manufacture of collars
FR554459A (en) Improvements in the production of hydrated celluloses
FR576611A (en) Improvements in candle making
FR572764A (en) Manufacture of zinc sulphide
FR581908A (en) Improvements in the manufacture of aliphatic derivatives
FR612487A (en) Improvements in the production of hydrogen