C - Chemistry – Metallurgy – 02 – F
Patent
C - Chemistry, Metallurgy
02
F
C02F 1/52 (2006.01) B01D 15/00 (2006.01) B01D 39/20 (2006.01) C02F 1/66 (2006.01)
Patent
CA 2042718
A filtering assembly is provided for removal of certain substances from a solution. More particularly, apparatus are provided for removal of hazardous or environmentally unacceptable chemicals from a first solution before it is discharged. The device includes a cylindrical housing having a spaced apart inlet and outlet. Adjacent the inlet, a metal precipitate chamber is provided to collect precipitates which includes rolled fiberglass for capturing precipitates. A filter subassembly is provided on the downstream side of the inlet. The solution is then directed through an adsorption chamber containing activated carbon. In this chamber, certain chemicals are absorbed onto the carbon. A second embodiment of the invention provides multiple inlets for chemicals being introduced into the chamber as well as a water inlet. The chemical inlets are provided with distribution manifolds to evenly disburse the incoming solution within the chamber. In this embodiment, the absorption chamber is located further up stream to allow back flow of the solution through the chamber after the precipitates have been removed. The device has particular application to the disposal of spent photochemicals such as developer solutions.
Smart & Biggar
Woog Manfred
LandOfFree
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