This filter uses variations of different medias in a downflow pressure filter configuration. The flux varies with different applications and can range from 5 GPM/ft² for some mining applications to 20 GPM/ft² for offshore seawater filtration.
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The high rate downflow filter is considered a high performance filter as compared to conventional sand filters. The filter usually incorporates an air scour step to enhance the cleaning of the media and is capable of filtering aggressive industrial process fluids. High rate downflow filters can be custom designed to meet the requirements of refineries and Oil & Gas companies.
Features and Benefits
- High performance distribution system for the underdrain using a header lateral distributor and screened laterals to retain the media.
- Air Scour step allows aggressive cleaning of the media with a reduced amount of backwash waste water.
- Custom design options allow us to meet any requirements that a customer needs.
- Full automatic controls using a PLC to allow unattended operation.