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ERG - Model CIF -Catalytic Iron Filters
The ideal solution for high concentration odoursources on sewage and sludge treatment plants. CIFs use rusting iron Pall rings to remove bulk hydrogen sulphide(H2S) from highly odorous air streams. H2S removal efficiencies of 60-80% are obtained providing a cheap means of reducing the loadonto downstream polishing Odour Control equipment. Widelyused on sludge tanks, imported sludge PS and sludge presses.
- Good H2S roughing filter - up to 60% efficiency single stage and 80% dual stage
- Segregated multiple beds ensures low pressure drop even at end of media life
- Correctly sized to avoid “swamping” with excess sulphur
- Low operating pressure drop less than 250Pa per stage
- Operating life of 3-5 years
- Humidification in inlet duct with low water consumption,
- < 1 litre/min for many applications
- Robust vessels fabricated from PVC/GRP
- Significant running cost savings when used with chemical scrubbers and impregnated carbon filters
With chemical scrubbers
Reduces caustic and bleach chemical consumption by up to 80%, avoids sulphur precipitation in scrubbing liquor, and reduces the size of the scrubber
With biofilters
Protects biofilter from peak H2S loadings, extends life of media, improves odour removal performance, ideal for sludge treatment centres where site storage of chemicals is undesirable (see also Dry-Cat literature)
With carbon filters
Reduces carbon usage by up to 80%, extends life of media, ideal for smaller sites, or where space is limited