Water treatment system

Details Water treatment system Water treatment system

1991-07-03

1993-06-01

Dawson, Robert A.

Liquid purification or separation

Casing divided by membrane into sections having inlet

Plural diverse structured membranes within a single casing

210 89, 210 90, 210283, 210284, 210290, 21032175, 21032184, 220300, B01D 6300

Patent

active

052156575

ABSTRACT:
Water treatment apparatus includes a housing, and at least one canister disposed within the housing. Inside the canister are disposed a first water treatment material and a second water treatment material, the first material being different from the second material. Both the first material and the second material acting alone makes the contaminated water more suitable for human consumption. Preferably, the first material is disposed in a first stage, the second material is disposed in a second stage which is physically discrete from the first stage. Alternatively, the first material and the second material may be admixed together in the canister. The apparatus preferably includes an alarm for indicating when the material for treating the contaminated water needs to be replaced.

REFERENCES:
patent: 952979 (1910-03-01), Allen
patent: 3585130 (1971-06-01), Gregory
patent: 4389311 (1983-06-01), LaFreniere
patent: 4615799 (1986-10-01), Mortensen
patent: 4636473 (1987-01-01), Kleinstreuer
patent: 4732294 (1988-03-01), Bohler et al.
patent: 4764274 (1988-08-01), Miller
patent: 4769143 (1988-09-01), Deutsch et al.
patent: 4826594 (1989-05-01), Sedman
patent: 5024477 (1991-06-01), Yen
patent: 5110479 (1992-05-01), Frommer et al.

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