AlgaFilm Technologies
About
AlgaFilm Technologies is a Canadian startup that has developed the Algae Forest Process, a photosynthetic wastewater treatment technology that simultaneously removes nutrients from wastewater and captures CO2 directly from the atmosphere. The process leverages natural photosynthesis — converting sunlight, CO2, water, and nutrients into algae biomass and oxygen — with quantified per-hectare annual yields of 200 tons of algae production, 400 tons of CO2 captured, 300 tons of oxygen generated, and treatment capacity for 20,000 people, while recovering 16 tons of nitrogen and 4 tons of phosphorus. The system employs mixotrophic biomass combining mixed algae and bacteria communities for enhanced nutrient and BOD removal, positioning the technology as compact, carbon-positive, and sun-powered. AlgaFilm targets three primary wastewater applications: municipal secondary and tertiary nutrient removal, anaerobic digester sidestream treatment, and industrial wastewater treatment for facilities facing tighter nutrient or capacity limits. Beyond water treatment, the company cultivates Chlorella and Spirulina algae biomass from the treatment process for animal feed, human food, nutraceutical and biomaterial extraction, and biofuel production including Sustainable Aviation Fuel, where wastewater-derived algae biomass can significantly reduce production costs. The company was founded by five seasoned executives at the intersection of wastewater treatment, carbon capture, and resource recovery.
Key Products
Photosynthetic wastewater treatment system using algae cultivation to simultaneously remove nitrogen and phosphorus from wastewater while capturing CO2 and producing harvestable algae biomass.
Secondary and tertiary nutrient removal system for municipal wastewater treatment plants using the Algae Forest Process to achieve low nitrogen and phosphorus discharge levels.
Algae-based treatment system for high-strength anaerobic digester supernatant sidestreams, removing nutrients and reducing recycle loads back to the main treatment process.
Algae-based treatment for industrial wastewater streams requiring nutrient and BOD reduction with the added benefit of CO2 capture and biomass production.
Cultivation of Chlorella and Spirulina algae from wastewater treatment for use as animal feed, human food, and extraction of nutraceuticals and biomaterials.
Processing of wastewater-derived algae biomass for biofuel production, including Sustainable Aviation Fuel, leveraging nutrient-rich wastewater as a growth medium to reduce production costs.
Integrated nitrogen and phosphorus recovery from wastewater treatment processes, extracting 16 tons of nitrogen and 4 tons of phosphorus per hectare annually as valuable co-products.
Atmospheric CO2 capture through photosynthetic algae growth, sequestering 400 tons of CO2 per hectare annually as part of the wastewater treatment process.
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