Biofilter / Odor Control / Waste Air Treatment
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Main Definitions and Parameters of Biofilters
Definitions:
| Definition |
Description |
Dimension |
| Exhaust | Gas / mixed gas of rooms, where no people could/should stay |
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| Waste air | Air of rooms where people could stay at least part time |
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| Odor unit (OU) | Concentration of odorous compounds which are noticed by at least 50% of test persons |
nondimensional 1 |
| Compounds | - Concentration of pollutants - Concentration of odor |
mg/m3 OU/m3 |
| physical parameters | - humidity - temperature - solid content - pH-value |
percent (%) °C mg/m3 -log(H3O+) |
Biofilter properties:
| Waste air stream | Waste air stream per time |
m3/h |
| Filter area load | Waste air stream per filter area and time |
m3/(m2h) |
| Filter volume load | Waste air stream per filter volume and time |
m3/(m3h) |
| specific filter load | Contaminants per filter volume and time | g/(m3h) |