Norifumi Isu

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In order to build up a sustainable society, the authors have investigated the recycling technology of inorganic wastes with low energy consumption. Sewage sludge ash, concrete waste, and construction sludge were used as raw materials. These waste were mixed with Ca(OH) <sub>2</sub> and formed by uniaxial pressing. The specimens were autoclaved for 6 h at(More)
In order to enhance photocatalytic water splitting rates with Pt/TiO2 powder, sufficient agitation of the biphasic medium is required to switch surficial reactions to volumetric reactions. Additionally, agitation is conducive to higher diffusion rates of the generated hydrogen and co-produced oxygen, hindering their ability to re-couple to water on Pt(More)
The effect of (Pt-loaded)TiO2 crystallite diameter (i.e. Scherrer size) on the photocatalytic water splitting rate was investigated. (Pt-loaded)TiO2 powders with a wide range of crystallite diameters from about 16 to 45 nm with a blank region between about 23 and 41 nm were prepared by various annealing processes from an identical TiO2 powder. Water(More)
Fluoroalkyl end-capped vinyltrimethoxysilane oligomer [R(F)-(VM)(n)-R(F)] underwent the sol-gel reaction under alkaline conditions in the presence of anatase titanium oxide nanoparticles (an-TiO(2)) in tetrahydrofuran to give the corresponding fluorinated oligomer/anatase titanium oxide nanocomposites [R(F)-(VM-SiO(2))(n)-R(F)/an-TiO(2)]. Crystalline(More)
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