Patent ID: 6096209
Filing Date: 2000-08-01
Classification: C22B

Abstract:
An apparatus for removing silver from fluids having silver dissolved therein, the apparatus comprising:a container having first and second ends with an inlet port provided at the first end, and an outlet port provided at the second end, the container enclosing an axial bore extending between the inlet and outlet ports and defining a transverse cross sectional area;first, second, and third silver replacement media disposed within the bore substantially filling the transverse cross sectional area along a length of the bore, the media being sequentially arranged along the length of the bore such that the first medium is nearest the inlet port, the third medium is nearest the outlet port, and the second medium being disposed therebetween,each replacement medium comprising a metal which is electropositive relative to silver, andwherein said first and third replacement media each have a lower surface area-to-volume ratio than that of said second replacement medium.