湿法冶金
濕法冶金
습법야금
HYDROMETALLURGY OF CHINA
2014年
6期
460-462
,共3页
娄振宁%洪瑾%冯晓东%熊英%翟玉春
婁振寧%洪瑾%馮曉東%熊英%翟玉春
루진저%홍근%풍효동%웅영%적옥춘
高硫铝土矿%硫酸%焙烧%铝
高硫鋁土礦%硫痠%焙燒%鋁
고류려토광%류산%배소%려
high-sulfur bauxite%sulfation%roasting%aluminum
研究了某一水硬铝石型高硫铝土矿的硫酸焙烧特性。试验结果表明：焙烧温度是影响铝、铁溶出率的主要因素；最佳焙烧工艺条件为焙烧温度350℃，硫酸与铝土矿的质量比2．75∶1，焙烧时间180 min；最佳焙烧条件下铝溶出率超过83％，铁溶出率超过99％。
研究瞭某一水硬鋁石型高硫鋁土礦的硫痠焙燒特性。試驗結果錶明：焙燒溫度是影響鋁、鐵溶齣率的主要因素；最佳焙燒工藝條件為焙燒溫度350℃，硫痠與鋁土礦的質量比2．75∶1，焙燒時間180 min；最佳焙燒條件下鋁溶齣率超過83％，鐵溶齣率超過99％。
연구료모일수경려석형고류려토광적류산배소특성。시험결과표명：배소온도시영향려、철용출솔적주요인소；최가배소공예조건위배소온도350℃，류산여려토광적질량비2．75∶1，배소시간180 min；최가배소조건하려용출솔초과83％，철용출솔초과99％。
The sulfation roasting property of high‐sulfur bauxite was investigated .The orthogonal experimental results show that roasting temperature is a main influencing factor on leaching rate of Al and Fe .T he dissolution rate of aluminum is more than 83% and dissolution rate of iron is more than 99% under the best conditions of temperature of 350 ℃ ,the sulfuric‐to‐ore mass ratio of 2 .75∶1 , holding time of 180 min .
