Aqueous oxidative scrubber systems for removal of mercury

Details Aqueous oxidative scrubber systems for removal of mercury Aqueous oxidative scrubber systems for removal of mercury

1981-06-19

1982-12-21

Hearn, Brian E.

Cleaning and liquid contact with solids

Processes

For metallic, siliceous, or calcareous basework, including...

134 41, 252 792, 423109, C23G 102

Patent

active

043647758

ABSTRACT:
A scrubber system for removal and recovery of mercury from plated solid substrates comprising a solution of an alkali metal and ammonium dichromate or chromate salts and nitric acid, said salts and acid being in a weight ratio of about 0.2 to 200. A process for removing mercury from cartridge casings and live ammunition utilizing the oxidative scrubber system is also disclosed.

REFERENCES:
patent: 2864730 (1958-12-01), Kinder
patent: 3231513 (1966-01-01), Graves
patent: 3676219 (1972-07-01), Schroeder
patent: 4290819 (1981-09-01), Cornwall
Varmashenko et al., Chemical Abstracts, vol. 88 (1978), No. 125858.
Lo et al., Chemical Abstract, vol. 83 (1975), No. 136666t.
Krug et al., Chemical Abstracts, vol. 85 (1976), No. 365396.
Tutilova et al., as Abstracted in Chemical Abstracts, vol. 73 (1970), No. 4,843(a).

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