Negative pressure asbestos removal with localized make-up air

Details Negative pressure asbestos removal with localized make-up air Negative pressure asbestos removal with localized make-up air

1989-05-26

1990-02-20

Spitzer, Robert

Gas separation

Means within gas stream for conducting concentrate to collector

553852, 55419, 55467, 98 4019, 98DIG7, B01D 4642

Patent

active

049023152

ABSTRACT:
A method of removing airborne contaminant material from a work area by isolating the work area from the surrounding environment, providing at least one entrance into the isolated work area, and creating a negative pressure within the isolated work area by exhausting the air therefrom. Make-up air is introduced into the isolated work area by ducting the air directly to the vicinity where the contaminant material is being removed in order to entrap airborne contaminant material created when the contaminate material is being removed. The air being exhausted from the isolated work area is filtered to remove the contaminant material therefrom. A manifold and ducting assembly are also provided to regulate and direct the flow of make-up air to the vicinity where the contaminatn material is being removed.

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