Hydrometallurgical purification of metallurgical grade silicon
Hydrometallurgical purification of metallurgical grade silicon
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DOI：
10.1007/s12598-009-0043-1
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发表时间：
2009-05
期刊：
影响因子：
8.8
通讯作者：
Xiaodong Ma;Jian Zhang;Tongmin Wang;Tingju Li
中科院分区：
文献类型：
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作者：
Xiaodong Ma;Jian Zhang;Tongmin Wang;Tingju Li
考察了研磨冶金级硅(MG-Si)的粒度、酸的种类和搅拌方式对MG-Si提纯效率的影响。结果表明，粒度小于0.1 mm的酸浸效果最好，氢氟酸浸出比盐酸浸出和硝酸浸出提高了9%，超声搅拌比机械搅拌提高了7%。探讨了超声场作用下冶金级硅湿法净化的原理。
The effects of the particle size of ground metallurgical grade silicon (MG-Si), the sort of acids, and the type of stirring on the purified efficiency of MG-Si were investigated. It was found that a particle size less than 0.1 mm was most effective for acid leaching; the extraction yield of impurities was increased by 9% with HF leaching compared with HCl leaching and HNO3leaching, and increased by 7% with ultrasonic stirring compared with mechanical stirring. The principle of hydrometallurgical purification of metallurgical grade silicon under ultrasonic fields was also discussed.