Liquid purification or separation – Structural installation – Geographic
Patent
1994-08-01
1996-06-18
Cintins, Ivars
Liquid purification or separation
Structural installation
Geographic
210266, 210282, 210283, 210484, B01D 1500
Patent
active
055274579
ABSTRACT:
A non-woven fabric cylinder adapted for insertion within a canister of screened casing pipe that is placed in underground monitor wells to collect and contain spilled or leaked hydrocarbons such as gasoline or diesel by absorbing same upon contact. The absorbed substance is solidified within the cylinder as a rubber-like mass. The consolidated mass is contained within the screened canister, will float indefinitely and is easily retrieved and handled for disposal. The cylinder will not leech solidified hydrocarbons when exposed to pressure limits used to determine landfill suitability.
REFERENCES:
patent: 4749481 (1988-06-01), Wheatley
patent: 4775473 (1988-10-01), Johnson et al.
patent: 5035805 (1991-07-01), Freeman et al.
patent: 5071564 (1991-12-01), Stein et al.
patent: 5322388 (1994-06-01), Wells
patent: 5324429 (1994-06-01), Holland
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