Biogas from sludge and organic residues

Our services in the area of sludge management on municipal and industrial sewage treatment plants cover various aspects and range from solutions for filamentous bulking and foaming, to process adaptation from aerobic to anaerobic sludge stabilization, to digester design and optimization of digester operation.  

Organic substances rich in solid material with variable composition are found in several locations and processes. Fraunhofer IGB supplies customized, adapted solutions for the material and energetic use of by-products from the food industry and other organic material streams.

Organic residues which cannot be otherwise used are especially appropriate for anaerobic decomposition resulting in the final product biogas (methane and carbon dioxide). Our services range from biomethanation potential tests in laboratory scale up to the cooperation with engineering companies aiming to deliver optimal solutions to the final user.

In anaerobic sludge treatment, nutrients often remain in the aqueous phase. These nutrients can be removed or recovered from the resulting process water through appropriate process steps, e. g. for cultivation of microalgae or fertilizing watering in agriculture.