Passive Vent Filters
Reduce your H₂S emissions quickly and conveniently with sewer vent filters.
Built for Cleanawater by leading Australian manufacturers, our range of passive and sewer vent filters are trusted by hundreds of Australian councils to reduce odour problems dramatically. Removing up to 99.5% of odours, even during the peak periods in the early mornings and late afternoons, our vent filters are both economic and highly effective.
Drawing on over 25+ years of experience in the industry, our expert team can advise you on the right vent filters to ensure compliance at your site, assist you with installation and even provide custom mixtures to suit your particular odour control requirements.
Uses and applications of passive vent filters
- Used on pump station vents, rising main manholes and air valves
- All units use ground mount for safety
- Available in a range of sizes
- Removes up to 99.5% of odours
- Range of multi-cartridge options
- Replaceable cartridges
- Insect and vermin proof
- Vandal resistant
Benefits of Cleanawater passive & sewer vent filters
- Up to 99.5% odour removal
- Can connect to external vent duct or stack
- Allows air inflow into sewer system
- Greater customisation with multi-cartridge options
- Simple installation for quick setup
- Replaceable cartridges for a solution that lasts
- Capacity variation to suit different needs (40–160Lps)
How it works
Passive vent filters work using cartridges full of high performance activated carbon to absorb and oxidise sewer gases. Low back pressure in the units encourages airflow. Passive vent filters can be used to treat H₂S, as well as dimethyl sulphide, mercaptans and volatile organic compounds (VOCs).
Benefits to clients
Passive vent filters are specially designed to require very little maintenance, with no moving parts. As a result, they are robust, securely assembled and appropriate for harsh environments.
With easy installation and a high odour removal rate of 99.5%, passive vent filters offer a low cost, long-term odour management intervention. Replaceable cartridges make equipment upkeep a breeze.
- FiltaPro 40
- FiltaPro 80
- FiltaPro 160
Ground mounted passive vent filters are odour control units made up of a base, cartridge and lid, created explicitly for wastewater applications where odour production is a concern. As the odorous air from the sewage moves through the activated carbon bed, an absorption process takes place.
Compounds attach to the pores of the carbon, which has been chemically treated to react with odorous gases. The treated air is then safe to be let out into the surrounding environment.
Cleanawater's passive vent filters are made to be UV corrosion resistant with the use of PVC as the default choice of material. You may also choose to upgrade to High-Density Polyethylene (HDPE). The unit’s lid is gasket sealed, attached to the vessel base and bolted securely.
We specially developed the blend of activated carbon inside our vent filters for its effectiveness in removing H₂S gases, mercaptans and other volatile organic compounds (VOCs). Our custom carbon blend consists of Acticarb EA 1000 granular vapour activated carbon and Acticarb EA 1000K pelletised impregnated activated carbon.
We can also create custom mixtures for your system to get the odour treatment results you need. A second filtration step is added to ensure an even higher processing success rate by chemically treating the activated carbon.
Accessories for the vent filter range include, a vent stack mount with inlet and outlet adaptor flange kit, and an extraction fan. Custom combinations of activated carbon media are also available for specific gas treatment requirements.
Cleanawater's maintenance and monitoring services allow for easy management of wastewater networks.
Our products aid operators to meet odour emission legislation requirements for a quick acting yet long-term odour reduction strategy.
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