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安徽明光凹凸棒石的吸湿特性研究

方辉,周杰,赵娣芳,陈杰, 陈锦坤

MINING TECHNOLOGY(2004)

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Abstract
以安徽明光的凹凸棒石粘土为原矿,对其进行提纯、酸化、热活化等一系列的改性处理.研究结果表明:用0.8 mol/L盐酸和1.2 mol/L硫酸进行酸活化,在200~300℃下烘烤进行热活化后吸湿效果明显增加.另外,加入添加剂能大大改善凹土吸湿性能.该干燥剂制造工艺简单,价格低廉,具有开发利用价值.
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