GHANA: Factory turns waste into electricity and fertilizer in Gyankobaa

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The “Hybrid Waste to Energy as a Solution for Ghana” project, launched in 2020, is bearing fruit. The Ghanaian Minister of Environment, Science, Technology and Innovation, Kwaku Afriyie, has just inaugurated a solid waste recovery plant built under the project. The unit located in Gyankobaa, in the municipality of Atwima Nwabiagya, Ashanti Region, currently processes 12 tonnes of solid waste per day.

The biodegradable material is turned into fertilizer for farmers. The new installation also combines solar photovoltaic, biogas and pyrolysis technologies (thermal decomposition of materials at high temperature in an inert atmosphere). These technologies convert solid waste into electricity.

Funding from Germany

The new power plant, called “Centrale Hybride PV-Biogas-Pyrolyse”, has a capacity of 400 kW. For the government, the plant solves the dual problem of solid waste management and electricity supply. Currently, Ghanaians produce 14,000 tonnes of waste a day, two-thirds of which ends up in sewers or is burned in landfills.

The Gyankobaa plant was built by a consortium of German and Ghanaian research institutes in collaboration with Ghana’s Ministry of Environment, Science, Technology and Innovation. This is the second phase of the “Hybrid Waste to Energy as a Solution for Ghana”.

The third phase of the project aims to create an economic model based on the results of the technical and economic feasibility studies of the Gyankobaa Waste-to-Energy project. This model will serve as the basis for the construction of another 10 waste-to-energy plants in other parts of Ghana. Environmental and sustainability studies, as well as policy gap analysis and development of guidelines, are also planned for the four-year “Hybrid Waste to Energy as a Solution for Ghana” project.

Read also – AFRICA: circular economy at the heart of ecosystem preservation

Germany funded the construction of the waste-to-energy plant in Gyankobaa with €6.2 million through the Federal Ministry of Education and Research. This will mainly benefit the people of Kumasi and its surroundings.

Ines Magoum

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