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, to yield hypostoichiometric TiO 2 that interacts strongly with microwave, facilitating the reaction at much lower temperature, and the unpaired d electron in reduced titanium ion, i.e., Ti 3+ , could facilitate the stronger interaction with the
been obtained in Li + ion conducting glasses Li 2 O–SiO 2 –TiO 2 by Moricová et al. [ 12 ]. In a broad prospective, based on DSC investigations, there are several parameters given by various researchers to scrutinize the thermal stability of
contains also traces of TiO 2 (rutile and/or anatase) Table 3 Results from micro-X-ray Fluorescence spectroscopic analysis (μ-XRF) for the ceramic pipes from Cyprus in % m
exhaust catalysts source [ 2 ]; on SiO 2 and TiO 2 in the automotive exhaust gas oxidation NO to NO 2 and SO 2 to SO 3 [ 3 , 4 ]; as a chemical catalyst material in ammonia oxidation plants [ 5 ], and in many other electrical devices [ 6 ]; as
to that of Al 2 O 3 , SiO 2 , TiO 2 , ZnO and MgO supported catalysts [ 12 – 14 ]. The structure and morphology of the carrier have significant influence on its catalytic activity. ZrO 2 nanoparticles can improve the catalytic activity due to
. The overview above is focused on the SCR of NO by NH 3 on Fe-ZSM-5 and Cu-ZSM-5. For comparison, it is appropriate to mention the corresponding reaction mechanism proposed by Dumesic et al. [ 9 ] for 6% V 2 O 5 /TiO 2 , where ∗ is a symbol used to
.1007/s10973-006-7777-x . 12. Colon , G , Aviles , MA , Navio , JA , Sanchez-Soto , PJ . 2002 . Thermal behaviour of TiO 2 -ZrO 2 microcomposite prepared by chemical coating . J
.g., TiO 2 and ilmenite-type compounds such as MgTiO 3 [ 8 ]. Recently, rare-earth activated titanate phosphors, a new class of luminescent materials with better physical properties, have attracted significant attention due to their promising
-011-1413-0 . 13. Zhao , H , Bennici , S , Shen , J , Auroux , A . 2009 . Surface and catalytic properties of V 2 O 5 –TiO 2 /SO 4 2− catalysts for the selective oxidation of methanol prepared by various methods . J
Thermal properties of oxide glasses
Part IV. Induction period of crystallization as a criterion of thermal stability of M2OSiO2 (M = Li, Na) glass systems against crystallization
96 : 103 – 109 10.1007/s10973-008-9881-6 . 28. Moricová , K , Jóna , E , Plško , A , Mojumdar , SC 2010 Thermal stability of Li 2 O–SiO 2 –TiO 2 gels evaluated by the induction