Reusable mat for removing liquid contaminants

Details Reusable mat for removing liquid contaminants Reusable mat for removing liquid contaminants

1997-04-15

1999-10-12

Raimund, Christopher

Liquid purification or separation

Processes

Ion exchange or selective sorption

210671, 210924, 210507, 210508, 442121, C02F 142

Patent

active

059650303

ABSTRACT:
This invention relates to a method for removing liquid contaminant from surfaces, especially for removing spilled oil from the surface of water. More particularly, this invention relates to a method for removing liquid contaminant from a surface by applying a mat which is a nonwoven fabric having a dried substantially continuous aqueous foam coating on at least one side of the nonwoven fabric, whereby the foam coating absorbs at least some of the liquid contaminant. This invention also relates to a reusable mat for removing liquid contaminants from surfaces and a method for reusing the mat.

REFERENCES:
patent: 3679058 (1972-07-01), Smith
patent: 3888766 (1975-06-01), DeYoung
patent: 3917528 (1975-11-01), Orban et al.
patent: 4031839 (1977-06-01), Pedone
patent: 4070287 (1978-01-01), Wiegand et al.
patent: 4559243 (1985-12-01), Passler et al.
patent: 4569707 (1986-02-01), Johnson
patent: 4581287 (1986-04-01), Smith et al.
patent: 5066405 (1991-11-01), Liston et al.

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