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酸洗去除冶金硅中的典型杂质
李成义; 赵立新; 王志; 郭占成; 王永刚
2011
Source Publication中国有色金属学报
Issue08Pages:1988-1996
Abstract以王水和氢氟酸为酸洗介质,研究酸洗对冶金硅中典型杂质元素的脱除效果。结果表明:王水和氢氟酸对金属类杂质均有明显的去除作用,但对非金属B和P去除效率差。Al杂质经王水和氢氟酸酸洗后去除率分别为80%和86.3%,Fe杂质的去除率分别为78.6%和89.4%。氢氟酸对总杂质去除率比王水提高12%,但其对Cu的去除率仅为4.8%。Cu的相态分析表明:Cu在冶金硅中主要是以Al-Si-Cu合金相存在,抗氢氟酸腐蚀性强。与氢氟酸不同,王水通过化学破碎作用使硅粉粒度变小,利于杂质相暴露。两种酸对硅粉的损失率均小于3.5%。
Keyword冶金硅 酸洗 提纯 杂质相
Document Type期刊论文
Version出版稿
Identifierhttp://ir.ipe.ac.cn/handle/122111/10034
Collection研究所(批量导入)
Recommended Citation
GB/T 7714
李成义,赵立新,王志,等. 酸洗去除冶金硅中的典型杂质[J]. 中国有色金属学报,2011(08):1988-1996.
APA 李成义,赵立新,王志,郭占成,&王永刚.(2011).酸洗去除冶金硅中的典型杂质.中国有色金属学报(08),1988-1996.
MLA 李成义,et al."酸洗去除冶金硅中的典型杂质".中国有色金属学报 .08(2011):1988-1996.
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