Filtration using pressure vessel with multiple filtration...

Details Filtration using pressure vessel with multiple filtration... Filtration using pressure vessel with multiple filtration...

2005-09-13

2005-09-13

Walker, W. L. (Department: 1723)

Liquid purification or separation

Casing divided by membrane into sections having inlet

Plural diverse structured membranes within a single casing

C210S321660, C210S321760, C210S321790, C210S321860, C210S321880, C210S650000, C210S652000, C210S443000, C210S446000

Reexamination Certificate

active

06942797

ABSTRACT:
A filtration system includes an outer casing (210) that houses a plurality of elongated inner casings (220A–220F), which in turn house a plurality of filtration membranes. The outer casing, inner casing, and filtration membranes are disposed relative to one another to provide a three-flow channel system that provides additional feed fluid at one or more membrane couplings between membranes of the same inner casing. Ths arrangement defines a feed fluid flow path in which a feed fluid exiting from an upstream filter into a downstream filter is diluted by additional feed fluid.

REFERENCES:
patent: 4083780 (1978-04-01), Call
patent: 4983305 (1991-01-01), Oklejas et al.
patent: 5470469 (1995-11-01), Eckman

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