Terms for subject Environment containing coal refining

English	German
coal refining	Kohleveredelung
coal refining The processing of coal to remove impurities	Kohleveredelung
Wastes from petroleum refining, natural gas purification and pyrolytic treatment of coal	Abfaelle aus der OElraffination, Erdgasreinigung und Kohlepyrolyse
wastes from petroleum refining, natural gas purification and pyrolytic treatment of coal	Abfälle aus der Ölraffination,Erdgasreinigung und Kohlepyrolyse