Transcription of FILTER PARTICLE SIZE REMOVAL EFFICIENCY
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FILTER PARTICLE SIZE REMOVAL EFFICIENCY
FILTER PARTICLE size REMOVAL EFFICIENCY . I) Objective Measure the PARTICLE REMOVAL EFFICIENCY vs. PARTICLE size for two types of filters or air cleaners: an electrostatic air cleaner and a cartridge-type media FILTER . II) Background Particulate air filters are used in buildings to remove particles from air streams. Traditionally they were used to reduce the PARTICLE concentration in the HVAC system to prolong the life of the equipment and to reduce maintenance costs. Presently, these filters are primarily used to control the PARTICLE concentrations in the indoor air for improved indoor air quality.
5 - 4 Figure 4: Typical particle removal efficiency vs. particle size for fibrous media filters and electronic air cleaners ASHRAE has developed a standard test method for determining filtration efficiency vs.
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