C - Chemistry – Metallurgy – 02 – F
Patent
C - Chemistry, Metallurgy
02
F
362/46
C02F 1/62 (2006.01) C02F 9/00 (2006.01) C22B 43/00 (2006.01)
Patent
CA 1116763
PROCESS FOR REMOVAL OF MERCURY AND MERCURY COMPOUNDS FROM AQUEOUS SOLUTIONS AND INDUSTRIAL WASTE LIQUORS ABSTRACT OF THE DISCLOSURE A process for the removal of mercury and mer- cury compounds from aqueous solutions and,in particular, industrial waste liquors, by reduction and filtration, wherein after reduction, the liquors are cleared by letting the mercury particles and dirt particles flow into a sett- ling basin. Subsequently, the supernatant aqueous solu- tion from the settling basin is subjected to filtration in a deep filter with a filtering agent having a grain size of 0.02mm to 2mm and preferably 0.04mm to 0.6mm, whereupon the mercury is returned by reverse rinsing into the settling basin from the filter and is separated in the settling basin.
326607
Bichler Josef
Falbesaner Egon
Wimmer Eberhard
Mcfadden Fincham
Wacker-Chemie Gmbh
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