The microsand enhances the formation of robust flocs and acts as ballast, significantly increasing their settling velocities. The unique characteristics of the resulting microsand ballasted flocs allow for clarifier designs with very short hydraulic residence times, high rise rates and extremely compact system footprints that are up to 50 times smaller than other clarification processes of similar capacity.
Industrial Water and Wastewater
ACTIFLO® applies to surface, ground and karstic water for the production of the highest settled water quality.
It is ideally suited for the treatment of:
Rapidly fluctuating raw water sources
High turbidity river water or very low turbidity reservoir water
Warm surface water or very low temperature spring run-off water (0°C)
Brackish and/or seawater
Filter backwash water for recycling or discharge
Thanks to the use of microsand, ACTIFLO® achieves better treatment performance than all existing clarification processes on the market, displaying consistent and up to > 99% removal efficiencies of:
High or low turbidity, flocculable Natural Organic Matter (NOM) and Total Organic Carbon (TOC)
Algae, particle counts, Crypto Oocysts, Giardia and other pathogens/parasites
Iron, Manganese, Arsenic...
ACTIFLO®is particularly efficient in treating algal bloom and hence reducing taste & odor that are associated with algae.
It can also be used for the recovery and recycle of filter backwash water for the purpose of reducing water losses and associated operating costs while preserving water resources.
ACTIFLO® can be used in all municipal wastewater treatment applications:
Primary Clarification: Before Activated Sludge Basins (AS), Biological Aerated Filters (BAF) or Moving Bed Biological Reactors (MBBR)
Secondary Clarification: After Activated Sludge whenever space is tight or not available for large footprint conventional secondary clarifiers, after MBBR or as secondary clarifier in BIOACTIFLO®
Tertiary Clarification: For effluent polishing and phosphorus precipitation. With up to >95% removal of total phosphorus and up to >99% removal of total suspended solids, ACTIFLO®performance exceeds most water quality discharge or reuse standards
Stormwater/Combined or Sanitary Sewer Overflow Treatment (CSO/SSO):
With its very short hydraulic residence time and quick treatment within few minutes, ACTIFLO®easily handles rapid raw water load and/or flow fluctuations.
It treats stormwater peak flows "online" as they occur with > 90% removal of total suspended solids and associated BOD & COD
Thanks to a solids pre-contact tank, BIOACTIFLO® treats CSOs according to US EPA discharge standards
Combined with downstream UV disinfection, ACTIFLO® treated effluents are compliant with most bathing and shellfish water directives.
Biofilter Backwash Water Treatment: Due to ACTIFLO®'s very short hydraulic residence time, biological sludge is unlikely to go septic; it is clarified extremely efficiently, with superior removal levels as compared with flotation.
Treatment of Trickling Filter effluents, in replacement of conventional clarifiers
Water Reuse for agricultural irrigation and/or aquifer recharge, optionally in combination with further polishing with downstream Discfilters (Actiflo® Disc)
INDUSTRIAL WATER AND WASTEWATER
ACTIFLO® is ideally suited for industrial water and wastewater applications. It has reduced costs, increased operating efficiency and improved system reliability for customers in all industrial market segments:
Surface water and ground water pre-treatment
Process water production
Reuse and recycle
Stormwater run-off treatment
ACTIFLO® is an ideal solution for:
Process water production:
Boiler demineralised water supply
Cooling tower make-up
Removal of suspended solids, fines and associated BOD & COD
Heavy metals removal
Removal of dispersed and emulsified oil & grease
>95% removal of total phosphorus in tertiary polishing
Reuse and recycling:
Treatment of industrial effluents and recycling back to production
Treatment of municipal secondary effluents for industrial make-up water
Stormwater run-off treatment:
High and efficient removal of total suspended solids, fines, heavy metals, oil & grease and other run-off associated pollutants
Veolia Water Network Services | Water Solutions & Services
Veolia Water commenced operations in Australia in 1994 and in New Zealand in 1997. We draw on our extensive local experience and global network of research, innovations, ideas and expertise to tailor ...