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Eu2+/Gd3+-codoped nanocrystalline titania catalyst and its photocatalytic activity under natural light ZHOU Yi(周 艺)1, 2, HUANG Ke-long(黄可龙)1, ZHU Zhi-ping(朱志平)1, 2, XIA Chang-bin(夏畅斌)1 1. School... 410076, China Received 15 July 2007; accepted 10 September 2007 Abstract: Eu2+/Gd3+-codoped nanocrystalline titania catalysts were prepared by a modified sol-gel method. Powder X-ray diffraction......
Preparation and thermal decomposition mechanism of Mg,Al-hydrotalcite nano-crystals with titania doping REN Qing-li(任庆利)1, LUO Qiang(罗 强)2 1.School of Technical Physics, Xidian University, Xi... with titania doping was synthesized by one-step liquid reaction method at atmospheric pressure. The preparation of the Mg,Al-hydrotalcite nano-crystal after doping titania was investigated according......
Regularity control of porous anodic alumina and photodegradation activity of highly ordered titania nanostructures LIU Xiang-zhi(刘祥志), XU Ming-xia(徐明霞), TIAN Yu-ming(田玉明),SHANG Meng(尚 萌), ZHANG... with the sol-electrophoresis deposition and sol-gel method respectively to prepare highly ordered titania nanostructures. The diameter and length of the obtained nanostructures were determined......
Selective enrichment of TiO2 and precipitation behavior of perovskite phase in titania bearing slag WANG Ming-yu(王明玉)1, ZHANG Lin-nan(张林楠)2, ZHANG Li(张 力)2, SUI Zhi-tong(隋智通)2, TU Gan-feng(涂赣峰)2... scale test were studied. The results show that the increase of steel slag does good to titania enrichment, however, it isn’t useful for the growth and coarsening of the perovskite phase. The additive Si......
1 at pH 5, 6 and 7, respectively, and the maximum adsorption capacities are 23.64, 29.76 and 40.82 mg/g. Key words: silver ions; adsorption; hydrous titania ...; 1 Introduction Titania is well known as an attractive photocatalyst. However, the photocatalytic activity of titania is not strong enough in practical application so that the modification......
Structure and property of mesoporous molybdenum/carbon co-doped brookite titania L? Xiao-meng(吕晓萌)1, LIU Jun(刘 军)2, ZHANG Hui(张 辉)1, DING Jian-lin(丁建林)1, XIE Ji-min(谢吉民)1 1. School of Chemistry... brookite TiO2. Key words: co-doping; brookite titania; photocatalysis ......
Synthesis of rutile from high titania slag by pyrometallurgical route ZHANG Li1, LI Guang-qiang2, ZHANG Wu1 1. School of Materials and Metallurgy, Northeastern University, Shenyang 110004, China... for the conversion of high titania slag, containing 70%-75% TiO2 and with MgO, FeO, CaO, Al2O3 and SiO2 as main impurities, into a synthetic rutile, 90%-95% TiO2, which satisfies the requirements......
; Abstract: In order to fabricate titania nanotubes on glass substrate, Ti thin films..., and the anodization current and voltage play significant roles in the formation of titania nanotube with different tube sizes. Key words: RF magnetron sputtering; titanium films; titania nanotube......
addition 12%, temperature 1 300 ℃ and pressure 100 Pa. When temperature is higher than 1 750 ℃, the content of each composition in the system keeps a stable value, and the grade of titania is about 94... reach 93.35%, CaO content is less than 1.05% and MgO content is less than 0.42%. Key words: ilmenite; vacuum smelting; titania slag; FactSage 我国攀西地区储藏着丰富的钛资源,约占全国钛总储量的90%以上,占世界储量35%,但主要是含钒,钛和铁的复合共生矿[1].攀枝......
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