GB511877A - A process for producing approximately pure manganese compounds from initial substances of a manganese nature - Google Patents
A process for producing approximately pure manganese compounds from initial substances of a manganese natureInfo
- Publication number
- GB511877A GB511877A GB9576/38A GB957638A GB511877A GB 511877 A GB511877 A GB 511877A GB 9576/38 A GB9576/38 A GB 9576/38A GB 957638 A GB957638 A GB 957638A GB 511877 A GB511877 A GB 511877A
- Authority
- GB
- United Kingdom
- Prior art keywords
- stage
- manganese
- sulphur dioxide
- substances
- extracted
- 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
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G45/00—Compounds of manganese
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G45/00—Compounds of manganese
- C01G45/10—Sulfates
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/80—Compositional purity
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Abstract
511,877. Extracting manganese-containing substances. THORNTON, A. A. (Kohle und Eisenforschung Ges.). March 29, 1938, No. 9576. Drawings to Specification. [Class 1(iii)] In the extraction of manganese-containing substances with sulphur dioxide or gases containing it in the presence of water, the manganese is extracted in two stages, extraction being effected to the greatest possible extent in the first stage, and the solution of manganese sulphate and dithionate thus obtained being caused to react with fresh manganese-containing substances in the second stage, without adding fresh sulphur dioxide, in order to convert the previously formed dithionate into sulphate. Alternatively, only such amounts of sulphur dioxide may be added during the second stage that the temperature does not exceed 35 ‹C., there being always sufficient excess of the fresh manganese substances that part remains unreacted. The temperature during the second stage is preferably above 25‹C., and the sulphur dioxide added at this stage may be the gases escaping from the first stage. The partly reacted ore of the second stage may be subsequently extracted in a first stage. In the case of more slowly reacting ores, these are extracted.in a first stage, and the solution obtained is mixed with a more rapidly reacting ore. A quantity of the ore which is incompletely extracted in the first stage is added to the sludge partly extracted in the second stage. The process is described with reference to the use of two dissolving tanks and a washing tank. The material is stirred therein by agitators and by causing the sulphur dioxide to issue through jets. The process may also be operated by passing the manganesecontaining substances in counterstream to water and sulphur dioxide gases. The manganesecontaining substances should be disintegrated prior to extraction. The manganese sulphate obtained by evaporation of its solution is dehydrated at 300-500‹C. and then roasted at 900-1100‹C. in a weakly oxidizing or weakly reducing atmosphere, the gases leaving the furnace preferably containing no or very little free oxygen. The sulphur dioxide evolved is re-employed. Directly or indirectly-heated furnaces may be used. The material should be stirred during decomposition. Two examples of extracting a manganese ore are given. U.S.A. Specification 2,000,211 is referred to.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB9576/38A GB511877A (en) | 1938-03-29 | 1938-03-29 | A process for producing approximately pure manganese compounds from initial substances of a manganese nature |
| FR836287D FR836287A (en) | 1938-03-29 | 1938-04-07 | Process for the preparation of pure manganese compounds from manganous raw materials |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB9576/38A GB511877A (en) | 1938-03-29 | 1938-03-29 | A process for producing approximately pure manganese compounds from initial substances of a manganese nature |
| FR836287T | 1938-04-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB511877A true GB511877A (en) | 1939-08-25 |
Family
ID=9874655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB9576/38A Expired GB511877A (en) | 1938-03-29 | 1938-03-29 | A process for producing approximately pure manganese compounds from initial substances of a manganese nature |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR836287A (en) |
| GB (1) | GB511877A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2495456A (en) * | 1944-11-13 | 1950-01-24 | Crimora Res And Dev Corp | Purification of manganese solutions |
| FR2411893A1 (en) * | 1977-12-13 | 1979-07-13 | Usa | SELECTIVE RECOVERY OF NICKEL, COBALT AND MANGANESE FROM MARINE NODULES USING SULPHUROUS ACID |
| US7914763B1 (en) | 2010-02-15 | 2011-03-29 | Tessenderlo Kerley, Inc. | Process and apparatus for preparing manganese thiosulfate (MnTS) solution |
| EP2487137A1 (en) * | 2009-10-10 | 2012-08-15 | Guizhou Redstar Developing Co., Ltd. | Method for preparing manganese sulfate monohydrate by desulfurizing fume with middle-low grade manganese dioxide ore |
-
1938
- 1938-03-29 GB GB9576/38A patent/GB511877A/en not_active Expired
- 1938-04-07 FR FR836287D patent/FR836287A/en not_active Expired
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2495456A (en) * | 1944-11-13 | 1950-01-24 | Crimora Res And Dev Corp | Purification of manganese solutions |
| FR2411893A1 (en) * | 1977-12-13 | 1979-07-13 | Usa | SELECTIVE RECOVERY OF NICKEL, COBALT AND MANGANESE FROM MARINE NODULES USING SULPHUROUS ACID |
| EP2487137A1 (en) * | 2009-10-10 | 2012-08-15 | Guizhou Redstar Developing Co., Ltd. | Method for preparing manganese sulfate monohydrate by desulfurizing fume with middle-low grade manganese dioxide ore |
| EP2487137A4 (en) * | 2009-10-10 | 2013-05-22 | Guizhou Redstar Developing Co | Method for preparing manganese sulfate monohydrate by desulfurizing fume with middle-low grade manganese dioxide ore |
| KR101321317B1 (en) * | 2009-10-10 | 2013-10-30 | 구이쩌우 레드스타 디벨로핑 코포레이션 리미티드 | Method for preparing manganese sulfate monohydrate by desulfurizing fume with middle-low grade manganese dioxide ore |
| US7914763B1 (en) | 2010-02-15 | 2011-03-29 | Tessenderlo Kerley, Inc. | Process and apparatus for preparing manganese thiosulfate (MnTS) solution |
| ES2387434A1 (en) * | 2010-02-15 | 2012-09-21 | Tessenderlo Kerley, Inc. | Process and apparatus for preparing manganese thiosulfate (MnTS) solution |
| BE1019952A3 (en) * | 2010-02-15 | 2013-03-05 | Tessenderlo Kerley Inc | METHOD AND APPARATUS FOR PREPARING A SOLUTION OF MANGANESE THIOSULFATE (MNTS) |
Also Published As
| Publication number | Publication date |
|---|---|
| FR836287A (en) | 1938-01-13 |
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