C - Chemistry – Metallurgy – 01 – G
Patent
C - Chemistry, Metallurgy
01
G
C01G 5/00 (2006.01) G01N 9/00 (2006.01)
Patent
CA 2144496
Herein is disclosed a continuous process for manufacturing purified silver nitrate solutions comprising the steps of: a) transferring a crude silver nitrate solution, together with a slurry comprising silver oxide, to a multistage agitated reactor, thereby forming a mixture; b) maintaining a continuous weight percent undissolved solids inside the reactor with a differential densitometer such that silver oxide is 10 to 80 weight percent of said undissolved solids; c) transporting the first mixture through the reactor over a period of 15 minutes to 3 hours to form a reaction product; and d) filtering the reaction products through a continuous filter to form a silver nitrate filtrate.
Distefano Gary Michael
Logsdon Kevin Michael
Popham Stephen Michael
Prevost Thomas Howard
Reid Donald Charles
Eastman Kodak Company
Gowling Lafleur Henderson Llp
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