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偏钛酸常温水解沉淀法制备纳米TiO_2粉体的研究 被引量：1

PREPARATION OF NANO-TiO_2 POWDERS BY HYDROLYZATION-PRECIPITATION METHOD IN NORMAL TEMPERATURE BY THE USE OF THE MET TITANIC ACID AS THE MATERIALS
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摘要 以偏钛酸为原料通过常温水解-沉淀法制备了纳米TiO2粉体,用XRD和TEM等手段对粉体的晶型和形貌进行表征。用甲基橙为目标降解物,研究了其对甲基橙的降解性能,当分散剂加入量为13.5wt%,氨水溶液的pH值为4.0时得到的光催化剂粉体的晶粒尺寸均匀,粒径为10～20nm,其降解甲基橙的效率最高。 Nano-TiO2 powders were prepared with metatitanic acid as the initial materials by hydrolyzation-precipitation method in normal temperature and were characterized with XRD and TEM. The photocatalytic properties of nano-TiO2 were researched by degradating the methyl orange. The result shows that the degradation rate is the most obvious in degradating the methyl orange when using 13.5wt% of HPC as dispersant and adjusting the pH of the solution for 4.0.
作者 钟文建
机构地区 湖南省国际工程咨询公司
出处 《中国陶瓷》 CAS CSCD 北大核心 2007年第1期27-29,共3页 China Ceramics
基金 长沙市科技局科技计划项目 编号:051036-12
关键词 光催化 纳米二氧化钛 水解沉淀法 Photocatalytic, nano-TiO2 powder, Hydrolyzation-Precipitation Method
分类号 TQ426.81 [化学工程]
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参考文献8

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二级参考文献24

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中国陶瓷
2007年 第1期

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