In Osnabrück, Germany, Herhof Recyclingcenter Osnabrueck GmbH (HRO) operates, under patented technology (biological drying), a 90.000 tons/a Municipal Solid Wastes (MSW) recycling plant, where appr. 50% of incoming MSW (45.000 tons/a) is converted into a secondary fuel (marketed under the name Stabilat), currently used in cement plants. A portion of Stabilat (appr. 500 kg/h) will be converted to e ...