Simultaneous removal of NO and SO2 from combustion fuel gases using supported copper oxide catalysts by Bereketidou O., Charisiou N.D. and Goula M.A.
Anaerobic treatment of sewage sludge and grease trap sludge in continuous co-digestion by Neczaj E., Bien J., Grosser A., Worwag G. and Kacprzak M.