Fecal sludge to biodiesel – production of chemicals, pathogen reduction and feedstock variability Developing a technology based on anaerobic fermentation and digestion to convert faecal sludge into biodiesel precursors and biogas and setting up a social enterprise model that reinvests the revenues into improving sanitation for the urban poor.


This project focuses on the development of a resource-recovery based sanitation technology. which uses fecal sludge as a feedstock for producing biodiesel and biogas. The technology development is being conducted by a team of nine American and Ghanaian engineers based in Kumasi, with the oversight of Prof. Kartik Chandran of Columbia University. Technology development is accompanied by development of a social business model that aims to use revenue from energy products to help finance and incentivize complete and sustained urban sanitation.

Fecal sludge to biodiesel – production of chemicals, pathogen reduction and feedstock variability

Mission

1) Developing a bioprocess technology to convert the organic compounds present in fecal sludge to biodiesel and biogas. 2) Piloting the technology in Kumasi, Ghana at a design capacity of 10,000 L fecal sludge per day 3) Integrating the bioprocess technology component into a social enterprise business model that will further promote widespread implementation of this approach and technology across the globe.

Approach

Research or implementation partners: Kartik Chandran Laboratories at Columbia University School of Engineering, Kwame Nkrumah University of Science and Technology (KNUST), the Kumasi Metropolitan Assembly, and the Ghanaian company Waste Enterprisers Ltd.

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Renewable energies and climate changeProduct design and engineeringGlobalTreatment of wastewater or greywaterResource recovery Renewable energies and climate change (WG3)Biogas systems Faecal sludge treatment processesFundamental research and engineeringOtherBill & Melinda Gates FoundationEnergy: fuel (liquid or solid)University, education or research institution

Related Countries

GhanaUnited States

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