Zobrazeno 1 - 10
of 52
pro vyhledávání: '"S.V. Awate"'
Publikováno v:
Adsorption Science & Technology, Vol 17 (1999)
Sorption techniques have been employed for monitoring progress in the hydrothermal crystallization of synthetic MFI-type gallosilicate from a (TEBA) 2 O–Na 2 O–Ga 2 O 3 –SiO 2 –H 2 O system at 453 K. The samples obtained at different stages i
Externí odkaz:
https://doaj.org/article/58843d4a7b074afbbe889a810a5c2b6f
Publikováno v:
Adsorption Science & Technology, Vol 17 (1999)
The sorptive properties of a synthetic zeolite of type MFI with different concentration and nature of framework cations were studied using different probe molecules. The influence of the framework composition on the BET surface area and micropore voi
Externí odkaz:
https://doaj.org/article/a49765bc5bd2455dbfd616d524920f04
Autor:
S.V. Awate, V. Samuel, Nilesh P. Tangale, Prashant S. Niphadkar, S.S. Deshpande, Praphulla N. Joshi
Publikováno v:
Materials Letters. 171:50-54
Sol-gel route was employed to prepare a series of Sn-containing anatase with different molar (Ti/Sn) ratios ranging from 49 to 1. Samples were characterized by powder XRD, UV–vis, XPS, SEM, EDAX, low temperature N 2 sorption technique and Raman Spe
Publikováno v:
Materials Research Bulletin. 76:264-272
Series of tin-doped titania nanoparticles with varying tin content in the range 0–20 mol % have been prepared by solution combustion synthesis route using urea as a fuel. The structure, surface morphology and optical activity of Sn-doped TiO 2 nano
Autor:
Prashant S. Niphadkar, S.S. Deshpande, S. K. Chitale, S.V. Awate, Praphulla N. Joshi, Shilpa K. Sonar
Publikováno v:
Journal of Materials Science. 49:6383-6391
TiO2–SiO2 mesoporous composite photocatalysts with different proportions (in wt%) of TiO2 and SiO2 (TiO2–SiO2 = 20:80, 40:60, 60:40, 80:20 and 100:0) were prepared by loading TiO2 on as-synthesized Si–MCM-41 using sol–gel method. The physicoc
Publikováno v:
Microporous and Mesoporous Materials. 182:73-80
The conversion of amorphous stannosilicate dry gel into crystalline molecular sieve with MFI structure (Sn-MFI) was achieved by dry gel conversion (DGC) method at 413, 443 and 473 K. For comparison purpose, Sn-MFI molecular sieve with similar SiO 2 /
Autor:
S. Khaire, S. S. Deshpande, Deu S. Bhange, Narendra M. Gupta, S.V. Awate, P. Dhanasekaran, K. Rakesh
Publikováno v:
Journal of Materials Science. 46:5466-5476
We report in this paper on microstructural, optical and photocatalytic properties of single-phase indium orthovanadates, as a function of doping at lattice sites. The UV–visible spectra of these samples exhibited intense UV-region bands at 250 and
Autor:
Narendra M. Gupta, S.V. Awate, Sachin Malwadkar, R.S. Gholap, Prakash V. Korake, Manohar G. Chaskar
Publikováno v:
Journal of Photochemistry and Photobiology A: Chemistry. 203:24-31
Gold-containing titania nanotubes (Au/NT) were found to display higher activity for photooxidation of acetaldehyde, as compared to corresponding gold-free nanotubes and also a Degussa P-25 catalyst. Besides CO 2 as a major reaction product, small amo
Publikováno v:
Journal of Molecular Catalysis A: Chemical. 226:149-154
Two series of samples were prepared namely Cr-Ti/MCM-41 and Cr/SiO 2 -TiO 2 keeping Si/Ti mole ratio same, with different Cr loading. The physico-chemical properties of the samples were characterized by different analytical techniques such as XRD, FT
Autor:
Santoshkumar D. Bhat, T.R. Gaydhankar, Praphulla N. Joshi, A.A. Belhekar, S.V. Awate, Prashant S. Niphadkar
Publikováno v:
Microporous and Mesoporous Materials. 76:81-89
K-LTL zeolite was prepared by hydrothermal crystallization at 443 K from gels having molar composition xK2O:ySiO2:Al2O3:zH2O, where 2 ⩽ x ⩽ 8, 8 ⩽ y ⩽ 20 and 80 ⩽ z ⩽ 200. The influence of various synthesis variables such as SiO2/Al2O3, K