| 内蒙产高烧失低品位硅藻土的提纯及碳化性能 |
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| 引用本文： | 赵以辛,杨殿范,李芳菲,夏茂盛,薛兵,蒋引珊.内蒙产高烧失低品位硅藻土的提纯及碳化性能[J].吉林大学学报(地球科学版),2011,41(5):1573-1579. |
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| 作者姓名： | 赵以辛 杨殿范 李芳菲 夏茂盛 薛兵 蒋引珊 |
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| 作者单位： | 汽车材料教育部重点实验室/吉林大学材料科学与工程学院,长春130025 |
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| 基金项目： | 国家自然科学基金项目(41072025) |
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| 摘 要： | 针对内蒙产高烧失低品位硅藻土的提纯，采用水洗CD*2]焙烧工艺进行了实验。探索了水选次数、焙烧条件等对提纯效果的影响。采用XRD、FTIR、SEM、BET和化学分析等方法对提纯试验获得的产物进行了表征。结果表明:采用水选法可以实现石英、长石和黏土类杂质的去除，有机质的去除采用600 ℃焙烧就可以获得理想的提纯效果。提纯硅藻土SiO2质量分数达到82.98%以上，比表面积可达44.5 m2/g，堆积体积达21 mL/10g。在隔绝空气条件下焙烧水选提纯土，获得的碳化硅藻土与橡胶相容性好，可替代半补强炭黑。
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| 关 键 词： | 硅藻土 提纯 水选-焙烧 碳化 |
| 收稿时间： | 2010-12-28 |
Purification and Carbonation for High Loss and Low-Grade Diatomite in Inner Mongolia |
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| ZHAO Yi-xin,YANG Dian-fan,LI Fang-fei,XIA Mao-sheng,XUE Bing,JIANG Yin-shan.Purification and Carbonation for High Loss and Low-Grade Diatomite in Inner Mongolia[J].Journal of Jilin Unviersity:Earth Science Edition,2011,41(5):1573-1579. |
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| Authors: | ZHAO Yi-xin YANG Dian-fan LI Fang-fei XIA Mao-sheng XUE Bing JIANG Yin-shan |
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| Institution: | Key Laboratory of Automobile Materials,Ministry of Education/Department of Materials Science and Engineering, Jilin University, Changchun130025, China |
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| Abstract: | The purification of the high loss,low-grade diatomite production in Inner Mongolia was carried out by water separation-calcination process.The effects of the times of water separation and calcination conditions on the purification of diatomite were investigated and the characteristics of purified diatomite were conducted by XRD,FTIR,SEM,BET and chemical analysis in this study.The results indicated that the water separation can efficiently remove the quartz,feldspar and clayey impurities in diatomite and the... |
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| Keywords: | diatomite purification water-heating carbonation |
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