用老高川兰炭冶炼低铝硅铁的实践

THE PRACTICE OF LAOGAOCHUAN SEMI-COKE SEMLTING LOW Al FeSi

全部使用老高州兰炭熔炼低铝硅铁．可使其含铝量降至1.0％左右（其中含铝1.0％以下的占75.46％）,经济效益显著。

The Al content can be reduced to 1.0％（the content Below 1.0％ is about 75.46％ percent）in low Al FeSi smelting Totally with laogaochun semi-coke and the economic benefit Improved greatly