Waste to energy conversion is a promising route for reducing the fossil fuel dependency of the world. Fermentation, chemical processing, pyrolysis and gasification have been the main processes used for transforming biomass and other “burnable” wastes into useful fuels like ethanol, methanol, biogas, bio-diesel, bio-oil, bio-hydrogen etc. Most works on the subject are focused on power generation or on the production of alternative fuels, while few consider the option of producing gasoline or diesel. Here we propose a processing plant that produces gasoline, diesel and electricity using faecal sludge and solid waste as feedstock. The proposed plant will use a gasifier to produce a mixture of hydrogen and carbon monoxide known as syngas and a Fischer-Tropsch reactor that will produce synthetic hydrocarbons that can be refined in order to obtain liquid fuels. Both gasification and Fischer-Tropsch synthesis are performed normally at large scales. Aiming at a small scale mobile processing plant that can transform waste at the source, the main challenge of the project is to prove the technical and economic viability of the proposed plant.
Product design and engineeringGlobalResource recovery Fundamental research and engineeringOtherBill & Melinda Gates FoundationEnergy: electricity, hydrogen, fuel cellsEnergy: fuel (liquid or solid)Local NGO
Mexico
Project location