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菱镁矿煅烧-浮选除钙及其机理
杨志超1; 冯雅丽1; 李浩然2; 刘欣伟1; 蔡震雷1
2012
Source Publication中国有色金属学报
ISSN1004-0609
Volume22.0Issue:010Pages:2944
Abstract对浮选脱硅后在850℃下煅烧3h的菱镁矿精矿进行浮选试验,分别以油酸钠和十二胺为捕收剂,水玻璃和六偏磷酸钠为调整剂研究了含钙杂质的可选性。通过ζ电位测定分析了浮选机理。结果表明:以十二胺和水玻璃为捕收剂和活化剂进行的反浮选,可以得到MgO品位和回收率分别为76.48%和79.75%,CaO含量为0.24%的MgO与Mg(OH)2混合物精矿。煅烧后的白云石表面因包裹了氢氧化钙薄膜而吸附了水玻璃水解产物H2Si03和Si032-聚合成的胶粒被活化,活化的煅烧白云石再次吸附十二胺,表面变得疏水而上浮。运用MaterialStudio软件模拟了十二胺对经活化后的煅烧白云石的吸附,比较了六偏磷酸钠与水玻璃两种调整剂的优劣。
Keyword菱镁矿 煅烧 ζ电位 分子动力学
Language英语
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/45099
Collection中国科学院过程工程研究所
Affiliation1.北京科技大学
2.中国科学院过程工程研究所
Recommended Citation
GB/T 7714
杨志超,冯雅丽,李浩然,等. 菱镁矿煅烧-浮选除钙及其机理[J]. 中国有色金属学报,2012,22.0(010):2944.
APA 杨志超,冯雅丽,李浩然,刘欣伟,&蔡震雷.(2012).菱镁矿煅烧-浮选除钙及其机理.中国有色金属学报,22.0(010),2944.
MLA 杨志超,et al."菱镁矿煅烧-浮选除钙及其机理".中国有色金属学报 22.0.010(2012):2944.
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