Technology turns human waste into cheap coal

A company in Kenya turns human solid waste into special briquettes for sale to the poor.

Human solid waste is the main material for making briquettes , the kind of fuel used for cooking and heating of the poor in Nakuru City in Kenya's Rift Valley, Reuters on August 7.

Picture 1 of Technology turns human waste into cheap coal
Briquettes are made from human solid waste.

City's environmental workers transfer solid waste from households' septic tanks into the drying area before treating carbonization in the kiln with sawdust at a temperature of 300 degrees C. Honey is added as a substance. cohesive to create a sphere-shaped mixture. These spheres are dried into briquettes, sold for $ 0.5 per kilogram.

"You can eliminate all the volatile elements, harmful gases and make sure the briquettes don't stink," said John Irungu, plant manager. "Briquettes have no smell, good and long burning, help ripe fast food , " said Grace Waka, a food vendor.

In addition to providing fuel, the project aims to protect the environment and improve sanitation, especially in poor areas of the city.


Human solid waste is turned into fuel for daily activities.(Video: Reuters).