Plastic Biofiltration Media for Hydrogen Sulfide Odor Control
2021-04-25 14:45Plastic Biofiltration Media for Hydrogen Sulfide Odor Control
This Plastic Biofiltration media is acid-resistant, lightweight, easy to handle, and rigid enough to walk on. It can be stacked to any desired depth. It provides 132 ft2 of plastic surface per cubic foot, yet it has a high void fraction, so that even when coated with a layer of biofilm it still presents much less resistance to air flow than compost or rock media.
This makes it possible to treat air at higher superficial velocities with reasonable fan power requirements, so trickling biofilters can be made taller rather than wider, saving valuable space in crowded treatment facilities.
Nitrifying trickling filters using plastic media have also been used for H2S odor control,4but the limited surface area of conventional trickling-filter media results in relatively low bacterial populations per unit volume. Air residence times on the order of minutes are required for efficient odor removal. The cost of such enormous filters cannot be justified unless they are needed to nitrify wastewater
Feature:
This media is acid resistant, lightweight, easy to handle and rigid enough to walk on.
It can be stacked to any depth
Trickling biofilter can be made taller rather than wider - saving space
It provides 1060 m2 of plastic surface per m3 of packing
It has high void fraction (open area), so that even when coated with a layer of biofilm, it still presents a much lower resistance to air flow.
It make it possible to treat air at higher superficial velocities
Lower fan power and pump requirements
Size mm | Surface area ft2/ft3 | Drip Points | Bulk Density Kg/m3 | Smallest Grid Opening | Void ratio % |
305*305*305 mm | 132 | 75000/ft3 | 7.5 lb/ft3 | 0.16"*0.16" | 87.8 % |
40*40*40 mm | 612 m2/m3 | No data | 170 Kg/m3 | 0.07"*0.07" | No data |
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