About: Calcined Ni-Al Layered Double Hydroxide as Catalyst for Total Oxidation of VOC: Effect of Precursor Crystallinity.     Goto   Sponge   NotDistinct   Permalink

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  • The effects of hydrothermal treatment on properties and catalytic activity and selectivity in toluene and ethanol total oxidation of Ni-Al LDH precursors and related mixed oxides were examined. The crystalline LDH fraction and LDH crystallite size increased considerably with precursor hydrothermal treatment. However, only a slight effect of precursor hydrothermal treatment on crystallinity of the related Ni-Al mixed oxides obtained by calcination 450 °C was observed. The reducibility of NiO particles in calcined samples appears to be hindered considerably compared to the reducibility of pure NiO. Catalytic activity of the resulting Ni-Al mixed oxides was highest for sample prepared from the precursors hydrothermally treated for a short time (4 h). The worst selectivity, i.e., the highest amount of acetaldehyde formed during total oxidation of ethanol, was found for the calcined Ni-Al LDH without hydrothermal treatment.
  • The effects of hydrothermal treatment on properties and catalytic activity and selectivity in toluene and ethanol total oxidation of Ni-Al LDH precursors and related mixed oxides were examined. The crystalline LDH fraction and LDH crystallite size increased considerably with precursor hydrothermal treatment. However, only a slight effect of precursor hydrothermal treatment on crystallinity of the related Ni-Al mixed oxides obtained by calcination 450 °C was observed. The reducibility of NiO particles in calcined samples appears to be hindered considerably compared to the reducibility of pure NiO. Catalytic activity of the resulting Ni-Al mixed oxides was highest for sample prepared from the precursors hydrothermally treated for a short time (4 h). The worst selectivity, i.e., the highest amount of acetaldehyde formed during total oxidation of ethanol, was found for the calcined Ni-Al LDH without hydrothermal treatment. (en)
  • Byl prozkoumán vliv hydrothermálního zpracování na vlastnosti Ni-Al LDH prekursorů a katalytickou aktivitu a selektivitu odpovídajících směsných oxidů kalcinovaných (450 °C) při totální oxidaci toluenu a ethanolu. Hydrothermální zpracování významně zvýšilo podíl krystalického LDH a velikost krystalitů prekursorů, vlastnosti kalcinátů však podstatně neovlivnilo. Katalytická aktivita byla nejvyšší u vzorku zpracovávaného krátkou dobu (4 hod), nejhorší selektivita při oxidaci ethanolu byla nalezena u kalcinovaného vzorku Ni-Al LDH bez hydrothermálního zpracování. (cs)
Title
  • Calcined Ni-Al Layered Double Hydroxide as Catalyst for Total Oxidation of VOC: Effect of Precursor Crystallinity.
  • Kalcinované Ni-Al sloučeniny vrstevnatých hydroxidů jako katalyzátory pro totální oxidaci VOC. (cs)
  • Calcined Ni-Al Layered Double Hydroxide as Catalyst for Total Oxidation of VOC: Effect of Precursor Crystallinity. (en)
skos:prefLabel
  • Calcined Ni-Al Layered Double Hydroxide as Catalyst for Total Oxidation of VOC: Effect of Precursor Crystallinity.
  • Kalcinované Ni-Al sloučeniny vrstevnatých hydroxidů jako katalyzátory pro totální oxidaci VOC. (cs)
  • Calcined Ni-Al Layered Double Hydroxide as Catalyst for Total Oxidation of VOC: Effect of Precursor Crystallinity. (en)
skos:notation
  • RIV/67985858:_____/07:00091281!RIV08-AV0-67985858
http://linked.open.../vavai/riv/strany
  • 103;109
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(GA104/04/2116), P(GD203/03/H140), Z(AV0Z40720504)
http://linked.open...iv/cisloPeriodika
  • 2
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 412496
http://linked.open...ai/riv/idVysledku
  • RIV/67985858:_____/07:00091281
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • layered double hydroxide; mixed oxide; hydrothermal treatment (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • SK - Slovenská republika
http://linked.open...ontrolniKodProRIV
  • [AE5DACCB8FF5]
http://linked.open...i/riv/nazevZdroje
  • Chemical Papers
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 61
http://linked.open...iv/tvurceVysledku
  • Mikulová, Zuzana
  • Kovanda, F.
  • Jirátová, Květa
  • Balabánová, Jana
  • Čuba, Pavel
  • Rojka, T.
http://linked.open...n/vavai/riv/zamer
issn
  • 0366-6352
number of pages
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