Germans invent ‘Biobattery’ that convert solid waste into energy and fuel

The biobattery is modular and consists of a pool of environmentally-friendly technologies such as biogas plants, thermal storage, carburettors and engines to produce electricity. © Fraunhofer

Waste disposal is a burning problem and a rather complex issue that presents many serious environmental, public health, social and risks. But scientists from the Fraunhofer Institute for Environmental, Energy and Safety Technology UMSICHT have succeeded in finding a solution to improving the efficiency of biogas plants.

It is a well known fact that biogas plants are more reliable than highly fluctuating wind and solar energy. Germany is home to nearly 8,000 plants producing an electrical output of 3.75 gigawatts in total, which equals nearly three nuclear power plants. But the problem here is these plants limit themselves to processing a limited range of organic substances.

The biobattery process developed by the scientists improves the efficiency of biogas plants by supplying electricity and heat as well as high quality products such as gas, oil and vegetable carbon. The liquid, gaseous and solid products from the biobattery can be re-utilized as marine and aviation fuel or to produce electricity and heat. The remaining biodegradable carbon compounds can be re-fed to the plant to increase the methane yield.

The biobattery modular is a team of environmentally-friendly technologies such as biogas plants, carburettors, thermal storage, and engines to produce electricity. With this experts can exploit a number of raw materials which would otherwise have to be disposed of.

 

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