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John Posel Phones & Addresses

  • 7233 130Th St NE, Arlington, WA 98223
  • Oak Harbor, WA
  • 3316 Grand Ave, Everett, WA 98201 (425) 259-3298 (425) 258-1755
  • 3316 Grand Ave, Everett, WA 98201 (425) 259-3298

Work

Position: Service Occupations

Business Records

Name / Title
Company / Classification
Phones & Addresses
John G Posel
President
AGCO METALEX CORP

Publications

Us Patents

Recovery Of Nitric Acid Soluble Transition Metals From Sulfur And Iron Containing Ores Of The Same

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US Patent:
39664627, Jun 29, 1976
Filed:
Apr 18, 1975
Appl. No.:
5/569227
Inventors:
John G. Posel - Everett WA
Gregory P. Williams - Montlake Terrace WA
David N. Nilsen - Everett WA
Assignee:
International Ore Technology, Inc. - Everett WA
International Classification:
C22B 1508
US Classification:
75101BE
Abstract:
The ore is subjected to nitric acid leaching and the leach solution is heated to a temperature at which one of the additional sulfur and iron values is selectively insolubilized with respect to the solution, while the other is maintained in solution for subsequent separation from the liquor after the insolubles have been removed and the liquor has been neutralized. In addition, in one embodiment of the invention the heating and acid neutralization steps are controlled within certain prescribed limits to make it possible to remove the metals from the liquor by solvent extraction without the problem of lasting precipitates forming in the liquor and fouling the extraction process. Where there is a sizable amount of dissolved iron in the liquor, the liquor may be subjected to autoclaving at a temperature above about 149. degree. C (300. degree. F) to precipitate the iron as the oxide thereof. This effect is possible even where the liquor is high in sulfate concentration.

Recovery Of Nitric Acid Soluble Transition Metals From Sulfur And Iron Containing Ores Of The Same

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US Patent:
39652394, Jun 22, 1976
Filed:
Apr 18, 1975
Appl. No.:
5/569228
Inventors:
John G. Posel - Everett WA
Assignee:
International Ore Technology, Inc. - Everett WA
International Classification:
C01G 300
C01G 500
C01G 900
C01G 700
US Classification:
423 34
Abstract:
The ore is subjected to nitric acid leaching and the leach solution is heated to a temperature at which one of the additional sulfur and iron values is selectively insolubilized with respect to the solution, while the other is maintained in solution for subsequent separation from the liquor after the insolubles have been removed and the liquor has been neutralized. In addition, in one embodiment of the invention the heating and acid neutralization steps are controlled within certain prescribed limits to make it possible to remove the metals from the liquor by solvent extraction without the problem of lasting precipitates forming in the liquor and fouling the extraction process. Where there is a sizable amount of dissolved iron in the liquor, the liquor may be subjected to autoclaving at a temperature above about 149. degree. C (300. degree. F) to precipitate the iron as the oxide thereof. This effect is possible even where the liquor is high in sulfate concentration.

Recovery Of Nitric Acid Soluble Transition Metals From Sulfur And Iron Containing Ores Of The Same

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US Patent:
40383610, Jul 26, 1977
Filed:
Mar 17, 1976
Appl. No.:
5/667879
Inventors:
John G. Posel - Everett WA
Assignee:
International Ore Technology, Inc. - Highland Mills NY
International Classification:
C01G 300
C01G 500
C01G 900
C01G 700
US Classification:
423 34
Abstract:
The ore is subjected to nitric acid leaching and the leach solution is heated to a temperature at which one of the additional sulfur and iron values is selectively insolubilized with respect to the solution, while the other is maintained in solution for subsequent separation from the liquor after the insolubles have been removed and the liquor has been neutralized. In addition, in one embodiment of the invention the heating and acid neutralization steps are controlled within certain prescribed limits to make it possible to remove the metals from the liquor by solvent extraction without the problem of lasting precipitates forming in the liquor and fouling the extraction process. Where there is a sizable amount of dissolved iron in the liquor, the liquor may be subjected to autoclaving at a temperature above about 149. degree. C (300. degree. F) to precipitate the iron as the oxide thereof. This effect is possible even where the liquor is high in sulfate concentration.
John G Posel from Arlington, WA Get Report