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Found results for
 patents
1.
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VANADIUM EXTRACTION FROM PETROLEUM COKE ASH
| Document Number |
03220649 |
| Status |
Pending |
| Filing Date |
2022-05-26 |
| Open to Public Date |
2022-12-01 |
| Owner |
FIRST VANADIUM CORP. (Canada)
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| Inventor |
- Mracek, Michael
- Esplin, Jodi
- Johnson, Michael
- Verbaan, Niels
- Dreisinger, David
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Abstract
The invention provides for the treatment of petroleum coke ash materials to recover vanadium values, with distinct hydrometallurgical steps of silicate dissolution and precipitation that are arranged to ameliorate consumption of alkali hydroxides and facilitate solvent extraction of vanadium values.
IPC Classes ?
- C22B 7/02 - Working-up flue dust
- C01G 31/00 - Compounds of vanadium
- C22B 3/12 - Extraction of metal compounds from ores or concentrates by wet processes by leaching in inorganic alkaline solutions
- C22B 3/22 - Treatment or purification of solutions, e.g. obtained by leaching by physical processes, e.g. by filtration, by magnetic means
- C22B 11/02 - Obtaining noble metals by dry processes
- C22B 34/22 - Obtaining vanadium
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2.
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VANADIUM EXTRACTION FROM PETROLEUM COKE ASH
| Application Number |
CA2022050840 |
| Publication Number |
2022/246558 |
| Status |
In Force |
| Filing Date |
2022-05-26 |
| Publication Date |
2022-12-01 |
| Owner |
FIRST VANADIUM CORP. (Canada)
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| Inventor |
- Mracek, Michael
- Esplin, Jodi
- Johnson, Michael
- Verbaan, Niels
- Dreisinger, David
|
Abstract
The invention provides for the treatment of petroleum coke ash materials to recover vanadium values, with distinct hydrometallurgical steps of silicate dissolution and precipitation that are arranged to ameliorate consumption of alkali hydroxides and facilitate solvent extraction of vanadium values.
IPC Classes ?
- C22B 7/02 - Working-up flue dust
- B01D 11/02 - Solvent extraction of solids
- C01G 31/00 - Compounds of vanadium
- C22B 3/12 - Extraction of metal compounds from ores or concentrates by wet processes by leaching in inorganic alkaline solutions
- C22B 3/22 - Treatment or purification of solutions, e.g. obtained by leaching by physical processes, e.g. by filtration, by magnetic means
- C22B 34/22 - Obtaining vanadium
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3.
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VANADIUM EXTRACTION FROM DISPARATE SHALE ORES
| Application Number |
CA2021050036 |
| Publication Number |
2021/146797 |
| Status |
In Force |
| Filing Date |
2021-01-14 |
| Publication Date |
2021-07-29 |
| Owner |
FIRST VANADIUM CORP. (Canada)
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| Inventor |
- Dreisinger, David
- Esplin, Jodi
- Johnson, Mike
- Kordosky, Gary
- Legault, Erin
- Mracek, Michael
- Sveinson, Sandra
- Vukcevic, Radomir
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Abstract
A method for recovering vanadium values from a feed material comprising oxidised and carbonaceous materials obtained from a shale deposit or vanadium ore is disclosed. In the method, a vanadium concentrate enriched in vanadium and deleted in carbonates is formed from the oxidized and carbonaceous materials. The oxidized material is subjected to attrition to produce a vanadium fines stream. The carbonaceous material is subjected to de- sliming to obtain a fine vanadium and carbonate-containing fraction and a coarse vanadium and carbonate- containing fraction. The coarse vanadium and carbonate fraction is then subjected to flotation to obtain a vanadium froth concentrate. The fine vanadium and carbonate-containing fraction, the vanadium fines stream and the vanadium froth concentrate are combined to generate the vanadium concentrate. The vanadium concentrate is subjected to subsequent hydrometallurgical processes including atmospheric leaching, ion exchange, oxidation, solvent extraction, stripping, precipitation and calcination to obtain vanadium pentoxide.
IPC Classes ?
- C22B 3/44 - Treatment or purification of solutions, e.g. obtained by leaching by chemical processes
- B03D 1/02 - Froth-flotation processes
- C01G 31/00 - Compounds of vanadium
- C22B 3/08 - Sulfuric acid
- C22B 3/22 - Treatment or purification of solutions, e.g. obtained by leaching by physical processes, e.g. by filtration, by magnetic means
- C22B 3/26 - Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds
- C22B 34/22 - Obtaining vanadium
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4.
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VANADIUM EXTRACTION FROM DISPARATE SHALE ORES
| Document Number |
03165363 |
| Status |
Pending |
| Filing Date |
2021-01-14 |
| Open to Public Date |
2021-07-29 |
| Owner |
FIRST VANADIUM CORP. (Canada)
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| Inventor |
- Dreisinger, David
- Esplin, Jodi
- Johnson, Michael
- Kordosky, Gary
- Legault, Erin
- Mracek, Michael
- Sveinson, Sandra
- Vukcevic, Radomir
- Sveinson, Frederick (deceased)
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Abstract
A method for recovering vanadium values from a feed material comprising oxidised and carbonaceous materials obtained from a shale deposit or vanadium ore is disclosed. In the method, a vanadium concentrate enriched in vanadium and deleted in carbonates is formed from the oxidized and carbonaceous materials. The oxidized material is subjected to attrition to produce a vanadium fines stream. The carbonaceous material is subjected to de- sliming to obtain a fine vanadium and carbonate-containing fraction and a coarse vanadium and carbonate- containing fraction. The coarse vanadium and carbonate fraction is then subjected to flotation to obtain a vanadium froth concentrate. The fine vanadium and carbonate-containing fraction, the vanadium fines stream and the vanadium froth concentrate are combined to generate the vanadium concentrate. The vanadium concentrate is subjected to subsequent hydrometallurgical processes including atmospheric leaching, ion exchange, oxidation, solvent extraction, stripping, precipitation and calcination to obtain vanadium pentoxide.
IPC Classes ?
- C22B 3/44 - Treatment or purification of solutions, e.g. obtained by leaching by chemical processes
- B03D 1/02 - Froth-flotation processes
- C22B 3/08 - Sulfuric acid
- C22B 3/22 - Treatment or purification of solutions, e.g. obtained by leaching by physical processes, e.g. by filtration, by magnetic means
- C22B 3/26 - Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds
- C22B 34/22 - Obtaining vanadium
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5.
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Vanadium extraction from disparate shale ores
| Application Number |
17152024 |
| Grant Number |
11697600 |
| Status |
In Force |
| Filing Date |
2021-01-19 |
| First Publication Date |
2021-07-22 |
| Grant Date |
2023-07-11 |
| Owner |
First Vanadium Corp. (Canada)
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| Inventor |
- Dreisinger, David
- Esplin, Jodi
- Johnson, Mike
- Kordosky, Gary
- Legault, Erin
- Mracek, Michael
- Sveinson, Frederick
- Sveinson, Sandra
- Vukcevic, Radomir
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Abstract
The invention provides for the orchestrated treatment of disparate fractions of a shale deposit to recover vanadium values, with distinct steps of beneficiation that together provide a combined vanadium-enriched concentrate amenable to subsequent combined steps of hydrometallurgical vanadium extraction.
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