Char to be recovered from sewage sludge – Gasum participates in project studying nutrient recycling
Gasum, Helsinki Region Environmental Services Authority (HSY) and Natural Resources Institute Finland (Luke) are collaborating in studies into sludge derived biochar produced through pyrolysis of sewage sludge and the properties of this char. The Sludge Derived Biochar Project aims to promote the safe and efficient utilization of nutrients and carbon contained in sewage sludge. Pyrolysis equipment of Gasum’s Topinoja, Turku, biogas plant is used to produce the sludge derived biochar material for further analyses in the project.The energy company Gasum is taking part in the Sludge Derived