| 煤矸石的综合利用研究 |
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| 引用本文： | 李海英,杨文才.煤矸石的综合利用研究[J].环境工程,2002,20(5):46-48. |
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| 作者姓名： | 李海英 杨文才 |
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| 作者单位： | 1. 河北理工学院冶金系,唐山,063009
2. 唐山药业集团,唐山 063000 |
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| 摘 要： | 探讨了大同煤矸石、开滦唐山矿煤矸石的增白工艺 ,对酸浸脱杂的温度、酸浓度及煅烧工艺制度进行了深入研究。结果表明 ,大同煤矸石、唐山矿煤矸石可用于作造纸涂料级高岭土 ,白度可达 92以上。本研究为煤矸石的综合利用提供了很好的途径
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| 关 键 词： | 煤矸石 增白 |
RESEARCH ON COMPREHENSIVE UTILIZATION OF COAL GANGUE |
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| Li Haiying et al.RESEARCH ON COMPREHENSIVE UTILIZATION OF COAL GANGUE[J].Environmental Engineering,2002,20(5):46-48. |
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| Authors: | Li Haiying |
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| Institution: | Li Haiying et al |
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| Abstract: | The technology to improve whiteness of Datong and Kailuan coal gangues was studied in this paper,and further discussion was given on temperature of removing impurities by acid dissolution,acid concentration and calcination technology.The results showed that the Datong and Kailuan coal gangues could be used as kaolin of papermaking dope,whose whiteness could reach 92.The study provided a good approach to the comprehensive utilization of coal gangue. |
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| Keywords: | coal gangue and whitening |
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