Dephos O)) Passive Phosphorus Removal and Disinfection Treatment

Dephos O)) Passive Phosphorus Removal and Disinfection Treatment 1

Are you interested in this type of installation?

Let one of our experts in System O)) septic systems advise you.

Without electrodes
or UV lamps!

Projects in or near environmentally sensitive areas now have access to an affordable System O)) phosphate removal and disinfection solution that requires only minimal maintenance. The treatment reduces more than 99% of phosphorus and up to 99.5% of pathogens present in the effluent of the septic tank, without electrodes or UV lamps!

What type of projects does it apply to?

The System O)) tertiary treatment chain in passive phosphorus removal and disinfection is applicable for projects with an annual flow rate of more than 3,240 L / day in Québec, or for any grouping of isolated dwellings that, when combined, have a total 6 or more bedrooms. So we’re talking about community, commercial and institutional projects (groups of residences, campgrounds, hotels, etc.)

Dephos O)) Passive Phosphorus Removal and Disinfection Treatment 2
Dephos O)) Passive Phosphorus Removal and Disinfection Treatment 3



Competitive purchase cost and annual monitoring


The only passive solution on the market that is approved by regulatory bodies in tertiary treatment with phospherous removal and disinfection


The substrate replacement is set for every five years or more, according to use.

Dephos O)) Passive Phosphorus Removal and Disinfection Treatment 2


All our wastewater treatment solutions are eco-friendly and safe for the environment, as demonstrated during benchmarking tests around the world.


Affordable, the annual monitoring required by regulation bodies can be done by the owner without additional costs!


The technology exists since 1987; systems installed over 30 years ago are still functional, in perfect condition and treating wastewater just as efficiently as the day they were put in.


Onsite Residential Wastewater Treatment Technologies, standard applied in Canada and managed by the BNQ;

Standalone Wastewater Treatment Systems for Isolated Isolated dwellings, standard applied in the province of Québec, in Canada and managed by the BNQ (Bureau de normalisation du Québec – Quebec Standards Bureau)

Wastewater Treatment by Compact Filter Process, approval from the Commission mandated to provide approvals (Commission Chargée de Formuler des Avis Techniques – CCFAT) from the Scientific and Technical Centre – Construction Industry (Centre scientifique et technique du bâtiment – CSTB), standard in effect in France;

Residential Onsite Systems, standard applied in the U.S.A. and managed by the National Sanitation Foundation;
(European conformity – Conformité Européenne) CE marking allows a product to be distributed freely across the European Union.

Small autonomous domestic wastewater treatment systems up to 50 residents, standard in effect in Europe and managed by the CEBEDEAU – Centre d’expertise en eau de la Belgique (Belgium’s Water Authority);