At the foot of the chimney of STEAG’s cogeneration plant in Herne, a nine-meter-high test plant has been built for evaluating new absorbents. The test plant, which is supposed to allow researchers to investigate absorbents for separating CO2 from industrial and waste gases under real conditions, is part of the Efficient CO2 Separation (EffiCO2) Project of Creavis' Science-to-Business Center Eco² .more