Process for disposal of a fire-extinguishing foam or of other fo

Details Process for disposal of a fire-extinguishing foam or of other fo Process for disposal of a fire-extinguishing foam or of other fo

1990-09-19

1992-07-07

Morris, Theodore

Cleaning and liquid contact with solids

Processes

Including use of vacuum, suction, or inert atmosphere

134 33, 55 45, 55438, 554591, 210787, B08B 504

Patent

active

051279592

ABSTRACT:
The invention comprises a method and an apparatus for the waste disposal of light and/or medium and/or heavy foams employed in connection with fire extinguishing or the like. The foam is sucked in by a blower or the like, is disintegrated and in the following, is concentrated in a following container. The larger part of the air is thereby separated from the foam and the foam is reduced in a further-following separating stage to the volume of the initially employed foaming agent water mixture. The separating stage can be a centrifuge or a cyclone. Upon waste disposal of a low foamed heavy foam, this heavy foam is sucked up with a pump and in the following the pump is separated. In both cases following, the mixture is fed to a further waste disposal stage.

REFERENCES:
patent: 4746440 (1988-05-01), Seeger
patent: 4874589 (1989-10-01), Gorlich
patent: 4974618 (1990-12-01), Nysted

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