IT945785B - PROCEDURE AND APPARATUS FOR THE PRODUCTION OF SODIUM POLYSULPHIDE - Google Patents
PROCEDURE AND APPARATUS FOR THE PRODUCTION OF SODIUM POLYSULPHIDEInfo
- Publication number
- IT945785B IT945785B IT70633/71A IT7063371A IT945785B IT 945785 B IT945785 B IT 945785B IT 70633/71 A IT70633/71 A IT 70633/71A IT 7063371 A IT7063371 A IT 7063371A IT 945785 B IT945785 B IT 945785B
- Authority
- IT
- Italy
- Prior art keywords
- procedure
- production
- sodium polysulphide
- polysulphide
- sodium
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
- C01D1/00—Oxides or hydroxides of sodium, potassium or alkali metals in general
- C01D1/04—Hydroxides
-
- 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
- C01B17/34—Polysulfides of sodium or potassium
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Paper (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Treatments Of Macromolecular Shaped Articles (AREA)
- Coloring (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US8750470A | 1970-11-06 | 1970-11-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
IT945785B true IT945785B (en) | 1973-05-10 |
Family
ID=22205588
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT70633/71A IT945785B (en) | 1970-11-06 | 1971-11-05 | PROCEDURE AND APPARATUS FOR THE PRODUCTION OF SODIUM POLYSULPHIDE |
Country Status (9)
Country | Link |
---|---|
JP (1) | JPS5040395B1 (en) |
CA (1) | CA959628A (en) |
ES (1) | ES396755A1 (en) |
FI (1) | FI57244C (en) |
FR (1) | FR2113611A5 (en) |
IT (1) | IT945785B (en) |
NO (1) | NO138573C (en) |
SE (3) | SE388882C (en) |
ZA (1) | ZA716955B (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4162187A (en) | 1974-05-09 | 1979-07-24 | The Mead Corporation | Process for production of sodium thiosulfate and sodium hydroxide |
GB1549357A (en) * | 1975-06-10 | 1979-08-08 | Showa Denko Kk | Process for treating sulphide liquors |
US8636826B2 (en) * | 2009-11-03 | 2014-01-28 | Societe Bic | Hydrogen membrane separator |
FI128221B (en) | 2015-04-27 | 2019-12-31 | Metsae Fibre Oy | Method for regenerating a catalyst used for producing polysulphide lye |
-
1971
- 1971-10-14 CA CA125,134A patent/CA959628A/en not_active Expired
- 1971-10-18 ZA ZA716955A patent/ZA716955B/en unknown
- 1971-11-03 NO NO4069/71A patent/NO138573C/en unknown
- 1971-11-05 SE SE7114168A patent/SE388882C/en unknown
- 1971-11-05 FI FI3177/71A patent/FI57244C/en active
- 1971-11-05 FR FR7139738A patent/FR2113611A5/en not_active Expired
- 1971-11-05 JP JP46087720A patent/JPS5040395B1/ja active Pending
- 1971-11-05 IT IT70633/71A patent/IT945785B/en active
- 1971-11-06 ES ES396755A patent/ES396755A1/en not_active Expired
-
1977
- 1977-07-07 SE SE7707926A patent/SE431740B/en not_active IP Right Cessation
- 1977-08-25 SE SE7709554A patent/SE7709554L/en not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
DE2151465B2 (en) | 1977-03-10 |
FR2113611A5 (en) | 1972-06-23 |
DE2151465A1 (en) | 1972-05-10 |
SE431740B (en) | 1984-02-27 |
SE388882C (en) | 1978-06-26 |
NO138573B (en) | 1978-06-19 |
SE7709554L (en) | 1977-08-25 |
NO138573C (en) | 1978-09-27 |
JPS5040395B1 (en) | 1975-12-24 |
FI57244B (en) | 1980-03-31 |
ZA716955B (en) | 1972-07-26 |
FI57244C (en) | 1980-07-10 |
SE388882B (en) | 1976-10-18 |
SE7707926L (en) | 1977-07-07 |
ES396755A1 (en) | 1975-03-16 |
CA959628A (en) | 1974-12-24 |
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