2) nickeliferous laterite ore
低品位红土镍矿
1.
The process of selective reduction roasting-ammonia leaching-solvent extraction-electrowinning is adopted to extract nickel,cobalt and recover iron from low grade nickeliferous laterite ore.
本研究采用选择性还原焙烧-氨浸-溶剂萃取-电积工艺从低品位红土镍矿中综合提取镍、钴、铁,重点介绍了采用煤作还原剂,选择性还原焙烧的试验研究。
3) low-grade nickel deposit
低品位镍矿床<冶>
4) low-grade copper and nickel
低品位铜镍矿
1.
Technique research on selection of low-grade copper and nickel ore in Hami,Xinjiang
新疆哈密低品位铜镍矿选矿工艺研究
5) low-grade nickel sulfide ore
低品位硫化镍矿
1.
This paper describes the experimental investigation on the pressure leaching process of middling from floatation process of low-grade nickel sulfide ore.
进行了低品位硫化镍矿选矿中矿的加压浸出试验研究,重点考察了初始硫酸用量、氧气压力、浸出温度、浸出时间、搅拌速度和液固比对镍浸出率的影响;在最佳工艺条件下,浸出渣中镍含量平均为0。
6) low-grade nickel cobalt sulfide ore
低品位硫化镍钴矿
补充资料：低品
1.犹言下等。
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