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1958年发现的我省溧水南山头含锗赤铁矿含锗品位高达0.01％以上,是提锗的好原料。只是由于锗具有亲铁性,难以用选矿方法分离,因此采用火冶——湿法联合流程富集提取其中的锗。提锗原则工艺流程如图1所示,最终产品为金属锗。锗铁矿中的锗经鼓风炉还原熔烁而挥发,锗挥发率大于80％;布袋收尘效率98％,布袋尘及管道尘含锗品位大于1.5％,较矿石中含锗品位提高约130倍,简化了下步烟尘处理工序;锗尘采用硫酸浸出、单宁沉锗、蒸馏、萃取提纯、水解、氢气还原为金属锗,由烟尘到锗锭金属回收率68.09％,锗锭电阻率大于1欧
Found in 1958 in our province Lishui Nanshan contain germanium hematite with germanium grade as high as 0.01% or more, is to mention a good germanium raw materials. Only because germanium has a pro-ferromagnetic, it is difficult to separate with the beneficiation method, so the extraction of germanium by the combination of fire metallurgy - wet process. To mention the principle of germanium process shown in Figure 1, the final product is metal germanium. Germanium iron in the germanium by the blast furnace reduction flicker and volatile, germanium volatilization rate of more than 80%; bag dust collection efficiency of 98%, bag dust and pipe dust containing germanium grade greater than 1.5%, compared with ore containing germanium grade increased by about 130 times , Simplifying the next fume processing step; germanium dust leaching with sulfuric acid, germanium Tannin Shen, distillation, extraction and purification, hydrolysis, hydrogen reduction of metal germanium, from soot to ingot metal recovery 68.09%, germanium ingot resistivity greater than 1 Europe