| 大孔TiO2/SiO2光催化剂用于空气净化的性能研究 |
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| 引用本文： | 叶剑,张瑞丰,侯琳熙.大孔TiO2/SiO2光催化剂用于空气净化的性能研究[J].环境科学与技术,2011,34(8):30-33,69. |
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| 作者姓名： | 叶剑 张瑞丰 侯琳熙 |
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| 作者单位： | 宁波大学材料科学与化学工程学院,浙江宁波,315211 |
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| 基金项目： | 国家自然科学基金项目资助(20674041); 973前期专项基金(2010CB635116) |
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| 摘 要： | 以新型SiO2为载体,通过钛酸丁酯溶液的浸渍、原位水解以及高温煅烧制备出新型的大尺寸大孔径的TiO2/SiO2光催化剂.利用该催化剂设计出空气净化器进行空气净化实验,通过实验发现:大孔催化剂对甲醛、氨、苯这样的小分子物质表现出异常的吸附性能,由此提高了净化速率和效果;大孔催化剂能有效杀灭流动空气中的细菌,其中大孔结构对...
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| 关 键 词： | 二氧化硅载体 纳米二氧化钛 光催化降解 空气净化 |
Performance Study on a Large-sized Macro-porous TiO_2/SiO_2 Photocatalyst in Air Cleaning |
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| YE Jian,ZHANG Rui-feng,HOU Lin-xi.Performance Study on a Large-sized Macro-porous TiO_2/SiO_2 Photocatalyst in Air Cleaning[J].Environmental Science and Technology,2011,34(8):30-33,69. |
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| Authors: | YE Jian ZHANG Rui-feng HOU Lin-xi |
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| Institution: | YE Jian,ZHANG Rui-feng,HOU Lin-xi(Faculty of Material Science and Chemical Engineering,Ningbo University,Ningbo 315211,China) |
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| Abstract: | A new photocatalyst material applied in a novel air cleaner was prepared and tested on lab-scale.The experiment on air purification showed that the catalyst with a macro-porous structure exhibited unusual adsorption ability towards small molecular weight substances such as formaldehyde,ammonia and benzene,enhancing air cleaning with higher rate and quality.It was the macroporous structure that made the catalyst very efficient in capturing bacteria,strengthening sterilization of nano-TiO2;besides,the photoca... |
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| Keywords: | SiO2 support nano-TiO2 photocatalytic degradation air cleaning |
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