Change: Waterless toilet
Change: Water Labs
The Change: Waterless Toilet is a standalone unit that dries feces and vaporizes urine.
The Water Lab toilet prototype is a stand-alone dry toilet. It has a polymer membrane inside its storage container that dries out the excreta and vaporizes the liquid so that waste volumes are reduced. No energy input, external storage, or water input is necessary. The toilet is targeted towards refugee camps in the first phase, but commercialization of the product to households and construction sites is planned for the future.
Global but with a first focus on refugee camps and crises in the Middle East and North African countries and water scarce contexts without access to sewer systems. Pilot testing has been completed in Uganda.
The Waterless Toilet is currently a prototype but Water Labs plans to sell the product to NGOs and governmental agencies that will implement the product in emergency settings. They aim to provide waste management companies with toilets for their sanitation services. Water Labs intends to sell directly to end users as well.
Goal 6: Clean water and sanitation
Individuals in refugee camps and humanitarian crisis; urban households in low-income settings without sewer systems; construction site staff and vacation home owners. Transportation settings such as boats or trains.
Change: Water Labs is fundraising to secure the scale of manufacturing, and is developing partnerships with low-cost manufacturers in Asia.
Partnerships are made with the donors community so that NGOs and government agencies can buy and provide the toilets in emergencies. Water Labs are also discussing sales with waste service companies that rent out toilets to households. Direct sales to customers are also planned in a later phase.
A pilot test was completed in Uganda.
Type of toilet
Method of evacuation
How the fecal sludge is stored
The holding volume of the containment
Time until emptying is estimated to be needed
The toilet is a stand-alone unit made of plastic. The design was made to be streamlined to reduce cleaning time and to fit inside a shelter.
Technical support will be provided by the manufacturer once the toilets become commercialized.
Replacement components, including the interior toilet pouch, are available from Water Labs from 3-15 USD.
Unknown; product is in development
The toilet should reduce waste volume by 90-99%, reducing the necessary emptying frequency by 10-15 times, and increasing leveraging of existing waste collection by 2-3 times. This reduces the overall cost of sewage management by at least 30-50%. One square meter of the polymer material will vaporize 15-30 L/day (10-20 daily-person-equivalents) of liquid sewage, even in relatively high humidity.Interview with manufacturer
No third-party testing
Proper safety precautions should be taken when handling human waste.
Unknown, product in development
The product is evaluated for the amount of waste it evaporates.
The Water Lab plan for 2018 is to “Continue pilots, iterative redesign to incorporate user feedback & operational learning, build out servicing model & supply chain sourcing. Launch by mid/late 2018, fulfilling pre-existing orders for toilets for pre-fab refugee shelters in MENA & improved sanitation for poor families in Panama.”Interview with manufacturer
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