PBSC sees benefits of fogging

Published: 13-Sep-2005


PBSC, a UK manufacturer of components for cleanrooms and high containment facilities, has developed a decontamination shower that reduces water consumption without reducing decontamination levels.

The ultrasonic fogging system is based on the company's existing decontamination shower, which, despite its effectiveness, uses large volumes of water. The new system, which combines a fogging system with a soft spray, enables decontamination fluids, cleansing liquids and sterilisation agents to be injected at controlled ratios within the fogging device. The fog quickly saturates the operative's air-suit and the water then forms droplets which roll off and can be collected for contained disposal. With the fogging performing at least 90% of the decontamination process, the amount of contaminated water collected for controlled disposal is minimal. For example, water usage in a conventional pressure spray is around 250 litres/min; with a soft spray this can be reduced to 40 litres/min, plus two litres/min for the misting process. The fogging process is then followed with cold or hot water soft sprays from multiple nozzles injected with cleaning agents or sanitisers as required. Units can stand alone or be integrated into existing facilities.

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