kõrgahjust väljuv peamiselt süsiniku mittetäieliku põlemise produktidest koosnev gaas: 20-30 % CO, 1-8 % H2, samuti CO2 ja N2 (vt kõrgahi)
a by-product of blast furnaces that is generated when iron is reduced with coke to metallic iron; consists of about 22 vol% carbon monoxide (CO), about 5 vol% hydrogen (H2) and the rest amounts of 51 vol% nitrogen (N2) and 22 vol% of carbon dioxide (CO2) which are not flammable (see: blast furnace)
