"Photocatalytic degradation rates of model substance AO7 in suspensions and particle layers were compared. As a material suitable for the preparation of particle layers seem powders P25 and P90 produced by chlorine technology. Layers formed by these powders are mechanically the most durable of all the prepared layers. Their disadvantage is, however, a significant decrease in photocatalytic activity compared to suspension. Best results on photocatalytic degradation of layers of material have been reported in AV-01, where the decrease in photocatalytic activity when applied to a layer of material is less than P25 and P90. Layers are formed by this material but inferior mechanical properties. Furthermore, it was found that the high specific surface area may be a prerequisite for high photocatalytic activity. Eg. AV-01 material has the lowest BET specific surface 11 m2 / g, still shows higher photocatalytic activity than materials with higher surface. Important role played by particle size, but in this c"@en . "Pardubice, CZ" . "3"^^ . "315447" . "2009-09-17+02:00"^^ . . "22310" . . "P(1M0577)" . . "2"^^ . "Zl\u00E1mal, Martin" . . "photocatalysis; particle layer; commercial photocatalyst"@en . "Baudys, Michal" . . "Fotokatalytick\u00E1 aktivita komer\u010Dn\u00EDch pr\u00E1\u0161kov\u00FDch materi\u00E1l\u016F na b\u00E1zi TiO2"@cs . "978-80-7395-180-1" . . "Univerzita Pardubice" . "Fotokatalytick\u00E1 aktivita komer\u010Dn\u00EDch pr\u00E1\u0161kov\u00FDch materi\u00E1l\u016F na b\u00E1zi TiO2" . "Photocatalytic activity of commercial available materials based on TiO2"@en . "RIV/60461373:22310/09:00021548" . . . "Pardubice" . . "Byly porovn\u00E1ny rychlosti fotokatalytick\u00E9 degradace modelov\u00E9 l\u00E1tky AO 7 v suspenz\u00EDch a na \u010D\u00E1sticov\u00FDch vrstv\u00E1ch. Jako materi\u00E1l vhodn\u00FD pro p\u0159\u00EDpravu \u010D\u00E1sticov\u00FDch vrstev se zdaj\u00ED b\u00FDt pr\u00E1\u0161ky P25 a P90 vyroben\u00E9 chloridovou technologi\u00ED. Vrstvy tvo\u0159en\u00E9 t\u011Bmito pr\u00E1\u0161ky jsou mechanicky nejodoln\u011Bj\u0161\u00ED ze v\u0161ech p\u0159ipraven\u00FDch vrstev. Jejich nev\u00FDhodou je v\u0161ak v\u00FDznamn\u00FD pokles fotokatalytick\u00E9 aktivity oproti suspenzi. Nejlep\u0161\u00ED v\u00FDsledky fotokatalytick\u00E9 degradace na vrstv\u00E1ch byly zaznamen\u00E1ny u materi\u00E1lu AV-01, kde byl pokles fotokatalytick\u00E9 aktivity po nanesen\u00ED na vrstvu men\u0161\u00ED ne\u017E u materi\u00E1l\u016F P25 a P90. Vrstvy tvo\u0159en\u00E9 t\u00EDmto materi\u00E1lem maj\u00ED ov\u0161em hor\u0161\u00ED mechanick\u00E9 vlastnosti. D\u00E1le bylo zji\u0161t\u011Bno, \u017Ee vysok\u00FD specifick\u00FD povrch nemus\u00ED b\u00FDt nutnou podm\u00EDnkou pro vysokou fotokatalytickou aktivitou. Nap\u0159. materi\u00E1l AV-01 m\u00E1 nejni\u017E\u0161\u00ED specifick\u00FD povrch BET 11 m2/g, p\u0159esto vykazuje vy\u0161\u0161\u00ED fotokatalytickou aktivitu, ne\u017E materi\u00E1ly s vy\u0161\u0161\u00EDm povrchem. D\u016Fle\u017Eitou roli tak\u00E9 hraje velikost \u010D\u00E1stic, ov\u0161em i v tomto p\u0159\u00EDpad\u011B plat\u00ED, \u017Ee i materi\u00E1ly s velk" . . . "Byly porovn\u00E1ny rychlosti fotokatalytick\u00E9 degradace modelov\u00E9 l\u00E1tky AO 7 v suspenz\u00EDch a na \u010D\u00E1sticov\u00FDch vrstv\u00E1ch. Jako materi\u00E1l vhodn\u00FD pro p\u0159\u00EDpravu \u010D\u00E1sticov\u00FDch vrstev se zdaj\u00ED b\u00FDt pr\u00E1\u0161ky P25 a P90 vyroben\u00E9 chloridovou technologi\u00ED. Vrstvy tvo\u0159en\u00E9 t\u011Bmito pr\u00E1\u0161ky jsou mechanicky nejodoln\u011Bj\u0161\u00ED ze v\u0161ech p\u0159ipraven\u00FDch vrstev. Jejich nev\u00FDhodou je v\u0161ak v\u00FDznamn\u00FD pokles fotokatalytick\u00E9 aktivity oproti suspenzi. Nejlep\u0161\u00ED v\u00FDsledky fotokatalytick\u00E9 degradace na vrstv\u00E1ch byly zaznamen\u00E1ny u materi\u00E1lu AV-01, kde byl pokles fotokatalytick\u00E9 aktivity po nanesen\u00ED na vrstvu men\u0161\u00ED ne\u017E u materi\u00E1l\u016F P25 a P90. Vrstvy tvo\u0159en\u00E9 t\u00EDmto materi\u00E1lem maj\u00ED ov\u0161em hor\u0161\u00ED mechanick\u00E9 vlastnosti. D\u00E1le bylo zji\u0161t\u011Bno, \u017Ee vysok\u00FD specifick\u00FD povrch nemus\u00ED b\u00FDt nutnou podm\u00EDnkou pro vysokou fotokatalytickou aktivitou. Nap\u0159. materi\u00E1l AV-01 m\u00E1 nejni\u017E\u0161\u00ED specifick\u00FD povrch BET 11 m2/g, p\u0159esto vykazuje vy\u0161\u0161\u00ED fotokatalytickou aktivitu, ne\u017E materi\u00E1ly s vy\u0161\u0161\u00EDm povrchem. D\u016Fle\u017Eitou roli tak\u00E9 hraje velikost \u010D\u00E1stic, ov\u0161em i v tomto p\u0159\u00EDpad\u011B plat\u00ED, \u017Ee i materi\u00E1ly s velk"@cs . . "Photocatalytic activity of commercial available materials based on TiO2"@en . "11. ro\u010Dn\u00EDk konference o speci\u00E1ln\u00EDch anorganick\u00FDch pigmentech a pr\u00E1\u0161kov\u00FDch materi\u00E1lech" . "2"^^ . . "Fotokatalytick\u00E1 aktivita komer\u010Dn\u00EDch pr\u00E1\u0161kov\u00FDch materi\u00E1l\u016F na b\u00E1zi TiO2" . "RIV/60461373:22310/09:00021548!RIV10-MSM-22310___" . "[D4F8FDD15667]" . . "Kr\u00FDsa, Josef" . . . "Fotokatalytick\u00E1 aktivita komer\u010Dn\u00EDch pr\u00E1\u0161kov\u00FDch materi\u00E1l\u016F na b\u00E1zi TiO2"@cs . .