Zobrazeno 1 - 10
of 12
pro vyhledávání: '"Toshifumi Tanimura"'
Publikováno v:
Journal of Photochemistry and Photobiology A: Chemistry. 377:228-235
Porous titanium dioxide pellets modified with copper(II) ion (Cu-TiO2) were synthesized by sol-gel method with dialysis for photocatalytic degradation of gaseous trichloroethylene (TCE) under visible light (VL) irradiation. TCE was completely degrade
Publikováno v:
Research on Chemical Intermediates. 43:5025-5039
Porous platinum ion-doped TiO2 (Pt–TiO2) was prepared by a sol–gel method and demonstrated to have superior photocatalytic activity for the photodegradation of gaseous trichloroethylene (TCE) under visible light (VL) irradiation from a xenon lamp
Autor:
Hiroyuki Abe, Suzuko Yamazaki, Yousuke Yamasaki, Kunihiko Tajima, Kenji Kanaori, Toshifumi Tanimura
Publikováno v:
Research on Chemical Intermediates. 35:91-101
The thermal treatment of TiO2 pellets prepared by the sol–gel method decreased the photocatalytic activity. The activity divided by the specific surface area of the pellets for the complete mineralization of ethylene or chloroform was maximized at
Autor:
Suzuko Yamazaki, Toshie Mori, Toshifumi Tanimura, Atsue Saeki, Masahiro Sugihara, Takurou Katou
Publikováno v:
Journal of Photochemistry and Photobiology A: Chemistry. 199:330-335
Photocatalytic degradation of 4-( tert -octyl)phenol (4-OP) has been investigated by recirculating the aqueous solution through a packed bed reactor with TiO 2 . The first-order rate constant k for the degradation of 4-OP was evaluated to be 5.40 ×
Publikováno v:
Applied Catalysis B: Environmental. 61:346-351
Photocatalytic degradation of trichloroethylene (TCE) was investigated using a tubular photoreactor packed with TiO2 powders prepared by sol–gel techniques. Powders of the following metals: Cr, Fe, Ni, Cu and Pt, or Ca(OH)2 were uniformly mixed wit
Autor:
Tomoyuki Ichiki, Jie Chen, Toshifumi Tanimura, Makoto Yamaye, Takeshi Yamanobe, Tetsutaro Yoshinaga, Masahiko Ogata, Hiroshi Fujino, Taketoshi Kito
Publikováno v:
Polymer Degradation and Stability. 86:541-547
A mild alkaline hydrolysis of poly(vinyl chloride) (PVC) in an organic solvent was conducted with a satisfactory degree of dechlorination (DD). Under atmospheric pressure, a DD of 98–99% was accomplished in the hydrolysis with NaOH in dimethylsulfo
Publikováno v:
The Journal of Physical Chemistry A. 108:5183-5188
The photoassisted catalytic degradation of chloroethylene was studied in a tubular photoreactor packed with TiO2 pellets prepared by a sol−gel method. The experiments were performed in a noncirculating mode. Kinetic data and the reaction products w
Publikováno v:
Atmospheric Environment. 37:4253-4263
Kosa (Asian dust) aerosol was sampled at eight locations in China and Japan along the route of the dust event in March 2001. Mass concentrations, concentrations of the chemical components in the aerosol, and the size distribution of the aerosol were
Autor:
Hidekazu Tsukamoto, Suzuko Yamazaki, Kensuke Araki, Marc A. Anderson, Isabel Tejedor-Tejedor, Toshifumi Tanimura
Publikováno v:
Applied Catalysis B: Environmental. 33:109-117
The photo-assisted catalytic degradation of tetrachloroethylene (PCE) was studied in a tubular photoreactor packed with TiO2 pellets prepared by sol–gel method. The experiments were performed in a noncirculating mode. Dichloroacetate on the catalys
Autor:
Toshifumi Tanimura, Yasushi Yamamichi, Tetsutaro Yoshinaga, Yasuyo Nomoto, Maki Irie, Masaaki Koga
Publikováno v:
Analytical Sciences. 15:563-568
A rapid and simple method for the determination of anionic surfactants in tap water has been developed. The official analytical method in Japan for the determination of anionic surfactants in tap water requires tedious procedures and requires large a