Liquid purification or separation – Processes – Making an insoluble substance or accreting suspended...
Patent
1997-03-05
1998-06-02
McCarthy, Neil
Liquid purification or separation
Processes
Making an insoluble substance or accreting suspended...
210719, 210729, 210912, 75711, 75713, 75721, 75722, 75741, C02F 170, C02F 162
Patent
active
057594104
ABSTRACT:
There is provided a process for converting a silver-mercapto-s-triazine precipitate to a solid containing silver and a solution containing mercapto-s-triazine by contacting the silver-mercapto-s-triazine precipitate with one or more reducing agents. In preferred embodiments, at least one of the reducing agents has a redox potential more negative than about -0.9 V vs. Normal Hydrogen Electrode, NHE.
REFERENCES:
patent: 5288728 (1994-02-01), Spears et al.
patent: 5496474 (1996-03-01), Christ, Jr. et al.
Christ, Jr. Charles S.
Ciamarra Robert
Szembrot Albert R.
Eastman Kodak Company
Everett John R.
McCarthy Neil
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