Pivot Works Ltd. converts human fecal sludge into solid fuel for powering local industries (cement and brick plants) in Kigali, Rwanda.
Pivot fuel is a human waste derived granular solid biomass fuel intended for industrial applications. Pivot Works Ltd. is a start-up waste-to-energy company that converts human waste streams in large municipalities to a solid fuel through mechanical processes providing both an energy source and sanitation solution.
Pivot Works is located in Kigali, Rwanda.
Pivot Plant is the only distributor.
Industry range for a ton of solid fuel at Pivot Fuel’s energy content (18 GJ per ton) is 45 USD- 189 USD. Interview with representative
Competitors are municipal wastewater treatment plants and large-scale aerobic digestion plants.
Goal 7: Ensure access to affordable, reliable, sustainable and modern energy for all.
Private sector and businesses in need of solid fuel.
The fuel is created using three major processes: use of a belt filter, mechanical dewatering machine followed by greenhouses for solar drying, and a thermal dryer for sanitizing and homogenizing the form factor of the finished product. Human waste is brought to the processing site by vacuum trucks and stored in large holding tanks. Video of the manufacturing process in the Pivot Plant in Rwanda.
Trade secret. Interview with representative
Users can obtain the product from the manufacturer.
50 tons as of June 2016 interview with representative
A municipality of roughly 1 million persons is required to achieve workable economies of scale. Climate, alternative fuels access and market price, regulatory structure, and government interest are all components needed for success. The fuel produced is a granular solid biomass fuel.
Provided by the manufacturer.
Single use product
No expiration date in optimal conditions. In very humid climates or situations where the fuel is exposed to and accumulates moisture, there is a potential for fuel ignition.
– Calorific value of 16 – 22 MJ/kg
– Density of 400 – 500 kg/m3
Local and international labs performed tests for energy content, volatile solids content, ash content, pathogens and metals. These results can be made available to anyone interested in purchasing Pivot Works fuel.
Keep fuel in a dry and cool environment to prevent spontaneous combustion. Proper silos for storage should be installed to ensure safe conditions.
Human waste collection and transportation systems and furnace systems for fuel combustion.
Diener, S., Semiyaga, S., Niwagaba, C. B., Muspratt, A. M., Gning, J. B., Mbéguéré, M., … Strande, L. (2014). A value proposition: Resource recovery from faecal sludge—Can it be the driver for improved sanitation? Resources, Conservation and Recycling, 88, 32–38.
Muspratt, A. M., Nakato, T., Niwagaba, C., Dione, H., Kang, J., Stupin, L., … Strande, L. (2014). Fuel potential of faecal sludge: calorific value results from Uganda, Ghana and Senegal. Journal of Water Sanitation and Hygiene for Development, 4(2), 223–230.
Energy content, volatile solids content, ash content, pathogen and metals content, and burn duration and temperature.
Learn more about Pivot Works here.
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