Biofiltration - Evoqua Water Technologies WHISPER Biofilter

The WHISPER Biofilter from Evoqua Water Technologies is a one- or two-stage odor control unit designed for quiet operation and high odor removal. Its rotating irrigation system and long-lasting, nondegradable Bioglas Media provide the optimal biological environment for removal of 99 percent of incoming hydrogen sulfide while effectively reducing other common odor compounds. It can treat airflows up to 1,100 cfm and hydrogen sulfide concentrations above 100 ppm with diluted air using a variable-speed fan. Units include skid-mounted controls for easy installation and operation and may be deployed at lift stations, headworks, vaults or enclosed areas in the collections system. The company’s full service program includes on-site evaluation, installation, operation, service and performance reports organized through five regional service centers.


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