Complete Systems

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Use Cases
Development Status
System Name Partner Name Description
Oystra Mobile Septage Treatment System (MSTS) Crane Engineering The Oystra Mobile Septage Treatment System (MSTS) is a new sanitation system that processes human fecal sludge into non-potable water for agricultural or industrial use or safe discharge. Oystra is a truck-mounted dewatering system for use in areas like dense urban settlements where poor sanitation poses the greatest risks to human health. The latest generation prototype will be more cost effective, transportable, and easier to maneuver in crowded informal settlements than traditional septage collection methods.
CRRC Omni-Processor CRRC CRRC is a pending commercial licensee of the Gates Foundation’s patented omni-processor technology. CRRC is adapting the technology to produce an omni-processor localized to the Chinese context, specifically focusing on the processing of biosolids and sorted organic waste.
Ankur Omni-Processor Ankur Scientific Ankur Scientific is a pending commercial licensee of the Gates Foundation's patented omni-processor technology. Ankur’s product incorporates the core omni-processor technology into a comprehensive fecal sludge treatment plant (FSTP) and municipal solid waste (MSW) solution, localized to the Indian context. The unit can accept fecal sludge, biosolids, and other biomass into the main processing system, and municipal solid waste into the added gasifier, part of Ankur’s existing products. Different input modes produce different outputs and remains environmentally safe - all discharge meet EU and local norms.
Recycling Toilet Clear (Suzhou) Environmental Technology Co., Ltd The Clear toilet uses a full-water cycling process for treatment of the sewage. A rain water collecting system can also replenish the water to the processor for self-renewal. Blackwater from the toilet is pumped up to the sewage processor for treatment and then recycled to the storage tank for flushing. An advanced unique “Biofilm-MBR” treatment process is employed as the core technology for treatment, producing a stable and clean effluent that is further disinfected to ensure safety of the effluent for reuse.
Zyclone Cube SCG Chemicals Co., Ltd Integrating with a conventional flushing toilet, the Zyclone Cube is designed for efficiently separating and effectively treating both solid and liquid fractions. The unique Zyclone shape achieves liquid separation at greater than 98%. The solids fraction is dropped into a screw heating device that operates intermittently in dehumidifying and inactivating pathogenic contents. The liquid is further treated by integrated adsorptive media (e.g. modified soil and zeolite) in a series of anaerobic, aerobic, and anoxic chambers prior to a final step of electrochemical disinfection.
Blue Diversion Autarky Eawag: Swiss Federal Institute of Aquatic Science and Technology The Blue Diversion Autarky toilet is a self-contained unit which separates and treats urine, solids and flushing water on site. Urine is chemically stabilized and concentrated. Solids are processed with supercritical water oxidation. The water treatment module combines a biological membrane reactor, activated carbon and electrolysis to provide save recycled water.
The Toronto Toilet University of Toronto A household-scale system with solid and liquid disinfection in the backend. In the frontend, feces and urine/wash water are mechanically separated by a specially designed mechanism that can be attached to standard squat plates. Attachment to pedestals is also possible. Dewatered fecal material is then mixed with granular particles and smoldered. Catalytic conversion of the generated pyrolysis gases supplies additional heat and mitigates emission. Heat generated is used to dry incoming fecal material in situ, and thermally disinfect liquid waste.
Wet Oxidation Toilet Scion The Wet Oxidation Toilet is an early stage technology no longer in active development. It is a household-scale hybrid system which uses hydrothermal oxidation as the core technology integrated with a (bio)catalytic polishing stage. It is designed to integrate with a conventional frontend dry toilet. Mixed feces and urine is macerated and transferred to a reactor where microwave-assisted heating is applied. Three technology alternatives are being evaluated for polishing the effluent; i) microbial fuel cells to treat and recover energy, or ii) TiO2/UV to photocatalyze the removal of aqueous carbon and nitrogen or iii) purple phototrophic bacteria that can recover protein-rich biomass for resource recovery.
The Loughborough Toilet Loughborough University Backend processing system in which both solids and liquids fractions of human excreta are processed together in a single stream using a hydrothermal carbonization process (HTC). The waste is passed into a reactor, which is sealed allowing the application of pressure and temperature, to break down the organic material. The resulting products are carbonized solids and hot sterile water. Entire assembly is built into a cabinet with a small footprint.
Tide Fecal Sludge Processor Tide Technocrats Tide Technocrats is a premier environmental and sustainability focused organization, based in Bengaluru, India. Tide Technocrats design for a fecal sludge treatment plant (FSTP) requires only a small footprint to collect and remove liquids from fecal sludge, before using a novel drying and pyrolysis technology to subject solids to extremely high temperatures. The omni-processor component uses pyrolysis technology from partner Biomass Controls. The FSTP produces pathogen-free “biochar,” a carbon-rich compound that can be safely used in horticulture to improve soil, and treated liquid effluent that can be used for gardening and landscaping. The technology is currently being piloted in three different urban locations in India to better understand how the process can be improved end-to-end, and established successfully in any urban environment. The process has been proven to accomplish complete pathogen elimination and is modular, scalable, with a quick setup time.
e-toilet+CalTech Eram Scientific Eram Scientific’s eToilet incorporates a full treatment solution by integrating the existing eToilet technology deployed in over 3,500 sites with novel treatment technologies stemming from the Reinvent the Toilet Challenge. The current prototype incorporates the CalTech electrochemical reactor to process the black water and produce reusable effluent, also safe for discharge.
EcoSan Toilet Yixing Eco-Sanitary Manufacture Co. Ltd. (EcoSan) Eco-San is one of the leading developers of the CalTech technology, focusing on school and public toilets, and containerized toilet units. The backend processing technology capitalizes on anaerobic digestion of solids and an electrolysis system to convert waste into water, hydrogen, and solid fertilizer. Eco-San is piloting three units in China, and two in South Africa. Eco-San’s sister company, Yixing Entrustech, is producing and reducing the cost of the electrodes that drive the electrolysis treatment process to make available to all partners.
Firelight Toilet Sedron Technologies Self-contained, household scale toilet system. Frontend (pedestal toilet, adaptable to squat plate) is situated above the feces collection area. In the backend, urine, feces, and toilet paper are dried. Shredded trash can also be added to the dried material and it is all combusted in a small ~600W fire.
HTClean Helbling Helbling has been engaged by the Gates Foundation to develop HTClean, a next-generation Reinvented Toilet based on a high temperature and high pressure processing design. The toilet is being engineered specifically for the household. Intuitive visual cues on operation, maintenance, status, and usability are integrated.
Janicki Omni-Processor S250 Sedron Technologies Sedron Technologies, formerly Janicki Bioenergy, is a pending commercial licensee of the Gates Foundation’s patented omni-processor technology. The Omni-Processor uses a Rankine cycle to process fecal sludge and other waste streams into water, ash, and energy. The unit is flexible and robust to a variety of feedstocks and contexts, dependent on the desired business case. The Janicki Omni-Processor S250 is designed to be used as a component in a full fecal sludge treatment plant (FSTP). The S250 will be offered with an additional dryer compared to the S200.
Nanomembrane Toilet Cranfield University Fully self-contained household toilet system. Frontend resembles a Western-style pedestal toilet with a novel waterless swiping flush mechanism, and all waste processing components are housed within the pedestal. In the backend, solids and liquids are settled. The solids are extracted by a specifically designed screw, then dried and combusted, while liquids are preheated and purified with a hydrophobic membrane.
The Empower Sanitation Platform Duke University Center for WaSH-AID Community toilet with both liquid recycling and solids processing. The toilet is compatible with pedestal and squat plate styles. Onsite processing includes electrochemical disinfection and recycling of liquids, and drying and sterilization of solids with optional combustion. User amenities may include body wash and hand wash stations and menstrual pad dispenser and disposal options.