Pall Life Sciences Enhances Clean Room Efficiency

An Energy-Efficient Solution:

The current facilities incorporate multiple clean room manufacturing spaces, and Pall has experimented with various humidification methods but their experiences with electric steam and ultrasonic techniques have been unsatisfactory due to high operating costs and demanding maintenance requirements. Seeking a more efficient solution, Chuck enlisted the expertise of Mee Fog to design an energy-efficient system.

To preserve the integrity of the clean room envelope, positive pressure has to be maintained in the room at all times. To accomplish this, large amounts of outside air are required to off set the exhaust and room leakage. The large air flows must have tight temperature and humidity control, and doing so in a budget friendly way was very important.

Mee Fog agreed to assist them in designing a humidification system that would provide the humidity control they desired in an energy efficient manner. The new clean room space has a custom roof mounted air handler rated at 45,000 cfm. The unit has 35,000 cfm of recirculation and 10,000 cfm of air that passes through heating and cooling coils. The Mee Fog nozzles are located in the 35,000 cfm section and humidify the recirculation air stream. A single high pressure Mee Fog pump provides 1000 psi water to the nozzle headers. System capacity is controlled by controlling the Mee Fog pump speed, which modulates the amount of water that is pumped to the nozzle headers. The system is controlled by the building control system.