冶炼钢铁所产生的熔渣、浮渣(粒状熔渣除外)、氧化皮及其他废料。
Slag, dross (other than granulated slag), scalings and other waste from the manufacture of iron or steel.
脱硫不涉及氧化，而是取决于熔渣是否有足够的碱度以及其温度是否足够高。
The removal of sulphuric doesn't involve oxidation, but depends on whether the slag is sufficiently basic and the temperature is high enough.
钢液在深脱氧的情况下，熔渣中氧化物能较好脱出钢液中的氮；
Under the condition of the liquid steel that is deeply oxidized, the oxides in the molten slag can better denitrogenate from the molten steel.
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