WAFFCO (Waste-Fuel Free Combustion)

WAFFCO (Waste-Fuel Free Combustion) is a universal solid biogenic fuel-fired furnace with closed combustion chamber. It is constructed mainly of clay and metal, and designed to replace open-fire stoves.

WAFFCO is a closed biomass burning stove for households and is fired with agricultural waste, as well as domestic and packaging waste material. It is made of fire-proof clay bricks with a metal cladding on the outer sidewalls and a metal front door. The upper part includes a cooking plate connected to a small chimney.

Using waste as a heat source, the stove helps decrease the growing waste problem and saves households hours of searching for wood for burning. Heat and energy produced by these stoves can be also used for heating purposes and provide warm and sterilized water as well. The complete product can be manufactured locally. The cooking stovetop consists of an upper metal plate for cooking purposes. WAFFCO can be integrated with a boiler for the generation of hot and sterilized water.

The fireplace consists of two chambers: the main combustion chamber (39 X 31 X 22)cm and the chicane-corridor which is a combustion gas path above the main combustion chamber.

Solid waste management is one of the main critical challenges faced by those in low-income categories. Accra, Ghana, produces around 0.6kg per capita and up to 40-70% of this is biogenic waste on a daily basis. With an unreliable waste management system in the region, most of the waste ends up in the countryside, where it then passes through rivers and lagoons and into the ocean creating serious health problems.

However, these burnable organic and packaging waste fractions, such as crumpled paper and tetra packs, make for effective and free fuel for WAFFCO. WAFFCO uses an innovative and simple flue gas corridor-shaped chicane system, which ensures a longer residence time of the burnable gases and enhances the quality of flue gas. As a result, indoor pollution is significantly reduced through the enhanced oxidation of the toxicological flue gases.

Publicly available: No
Countries where available: Ghana
Price range: 20 to 50 USD
Offered or can be licensed for local manufacture: No

Dimensions: 0.48 X 0.28 X 0.47
Weight: 30-50 kg