Liquid purification or separation – With time control – Of additional fluid
Patent
1988-05-17
1989-11-28
Fisher, Richard V.
Liquid purification or separation
With time control
Of additional fluid
210170, 210286, 2105021, B01D 3502
Patent
active
048835897
ABSTRACT:
A system for removing contaminants from ground water, includes a plurality of tubular members made of a liquid pervious fabric material and having a rigid plastic core therein; a contaminant-absorbing material in each tubular member; an anchor cap secured to a lower end of each tubular member for preventing the contaminant-absorbing material from escaping from the lower end; a conduit positioned in each tubular member for supplying compressed air to each tubular member, the conduit having a lower, open end spaced above the lower end of each respective tubular member; and an air compressor for supplying the compressed air to each conduit.
REFERENCES:
patent: 4165 (1870-10-01), Dewey et al.
patent: 4582611 (1986-04-01), Wang
patent: 4639165 (1986-01-01), Flecknoe-Brown
patent: 4678040 (1987-07-01), McLaughlin et al.
patent: 4802829 (1989-02-01), Miller
Drodge Joseph
Fisher Richard V.
New Jersey Institute of Technology
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