Africa, Kenya, Naivasha. Sanivation project. Africa, Kenya, Naivasha. Sanivation project. Hannah Njenga has diabetes and uses the blue box, a home toilet system. She farms and sells vegetables. Sanivation provides clean sanitation service in homes. The toilet is serviced and fecal sludge is treated with solar thermal heat treatment, then mixed with water and charcoal dust to make briquettes. Finished briquettes are sold to local vendors to be sold as cost efficient fuel to local customers....
more »Africa, Kenya, Naivasha. Sanivation project. Africa, Kenya, Naivasha. Sanivation project. Hannah Njenga has diabetes and uses the blue box, a home toilet system. She farms and sells vegetables. Sanivation provides clean sanitation service in homes. The toilet is serviced and fecal sludge is treated with solar thermal heat treatment, then mixed with water and charcoal dust to make briquettes. Finished briquettes are sold to local vendors to be sold as cost efficient fuel to local customers. Hannah uses her phone to pay for the services.
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