Biofiltration controls odors from asphalt procession plant

A biofilter is currentlyin use at the Idaho asphalt plant ro control odors (Fig 1)Click here to enlarge imageBiofiltration is being used by Idaho Asphalt Supply Inc.`s Blackfoot, Ida., asphalt plant to control odors.The odors come from off-gas emissions from the blending of raw asphalt and polymer additives.Biofiltration shows promise for being an effective tool to control odorous plant emissions for the asphalt industry. Eliminating odors allows the placement of asphalt facilities in less-remote settings. Such placement will reduce transportation costs since plants can be located closer to population centers where asphalt materials are needed.The development of the biofiltration techno...

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