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HNO_3氧化脱除SBA-15中有机模板剂的研究
Authors
丁志杰
公旭中
郭雨
陈君华
Publication date
1 January 2009
Publisher
Abstract
以硝酸为氧化剂,研究了不同浓度硝酸溶液对不同用量SBA-15前驱体中模板剂的脱除效果。产物结构和形貌采用X射线衍射、Fourier红外光谱、透射电镜、N2吸附-脱附等手段进行表征。结果表明:用2.0mol/LHNO3对模板剂进行氧化脱除,脱除率达到82.5%;分子筛无机骨架结构保持完好,与传统高温焙烧相比,产物具有较大的孔径
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Institutional Repository of Institute of Process Engineering, CAS (IPE-IR)
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Last time updated on 05/12/2019