Zobrazeno 1 - 10
of 39
pro vyhledávání: '"A.C. Garade"'
Publikováno v:
Catalysis Communications. 44:29-34
Silica based MFI type molecular sieves with various SnO 2 /Al 2 O 3 ratios were synthesized from gels having molar compositions SiO 2 :xSnO 2 :yAl 2 O 3 :0.23(TPA) 2 O:35H 2 O where 0 ≤ x ≤ 0.02 and 0 ≤ y ≤ 0.01. Recyclable, Al-free Sn-MFI ca
Publikováno v:
Industrial & Engineering Chemistry Research. 52:9803-9811
Magnetically separable Ti–Fe3O4@MCM-41 (Ti-MS) catalysts were prepared by postgrafting Ti with varying loading on mesoporous silica containing dispersed magnetite. The hexagonal structure of Ti-MS ...
Publikováno v:
Applied Clay Science. 74:141-146
Several solid acid catalysts were prepared by exchanging metal cations such as Zn 2+ , Fe 3+ and Al 3+ with montmorillonite clay. Among these, Al-montmorillonite showed the highest acidity determined by the pyridine-IR as well as NH 3 -TPD methods. A
Publikováno v:
Industrial & Engineering Chemistry Research. 51:3916-3922
A novel application of phosphotungstic acid, H3PW12O40 (PWA) supported on MCM-41 molecular sieve as a solid acid catalyst has been demonstrated for the synthesis of phenolphthalein by hydroxyalkyla...
Publikováno v:
Applied Clay Science. 53:157-163
Article history:Received 17 May 2010Received in revised form 26 October 2010Accepted 28 October 2010Available online 3 November 2010Keywords:Co-saponitep-Vanillinp-Vanillyl alcohol oxidationCobalt oxide phase ratioPorosity transitionTemperature progr
Autor:
Jayprakash M. Nadgeri, Narayan S. Biradar, Priyanka B. Patil, A.C. Garade, Sachin T. Jadkar, Chandrashekhar V. Rode
Publikováno v:
Industrial & Engineering Chemistry Research. 50:5478-5484
Two steps involving catalytic hydrogenation of nitrobenzene to phenylhydroxylamine (PHA) in acid medium and its rearrangement to p-aminophenol (PAP) were studied separately in a batch reactor, using a well-characterized 3% Pt/C catalyst. The first st
Publikováno v:
Microporous and Mesoporous Materials. 136:115-125
Sn-MFI/MCM-41 composite material was successfully synthesized by monitoring the re-crystallization time in a simple two-step crystallization process. The length of period allowed for the recrystallization of the precursor species was found to be a co
Publikováno v:
Advanced Science Letters. 3:313-318
Publikováno v:
Catalysis Communications. 11:942-945
Bentonite clay impregnated with dodecatungstophosphoric acid (20% DTP/BNT) showed an excellent activity, selectivity and stability [95% product yield with 94% selectivity to 2, 2′-methylenebis (4-methylphenol), DAM] for the hydroxyalkylation of p -
Autor:
U.D. Joshi, A.C. Garade, Chandrashekhar V. Rode, V.S. Kshirsagar, Ajay Ghalwadkar, Rasika B. Mane
Publikováno v:
Applied Clay Science. 48:164-170
Article history:Received 7 July 2009Received in revised form 21 November 2009Accepted 23 November 2009Available online 29 November 2009Keywords:HydroxyalkylationAcidity tuningTemperature programmed desorptionImpregnationDodecatungstophosphoric acid/M