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2005
V. R. Choudhary, Mondal, K. C., Mamman, A. Singh, and Joshi, U. A., Carbon-free dry reforming of methane to syngas over NdCoO3 perovskite-type mixed metal oxide catalyst, Catalysis Letters, vol. 100, no. 3-4, pp. 271-276, 2005.
V. R. Choudhary, Patil, N. S., Chaudhari, N. K., and Bhargava, S. Kumar, Epoxidation of styrene by anhydrous hydrogen peroxide over boehmite and alumina catalysts with continuous removal of the reaction water, Journal of Molecular Catalysis A-Chemical, vol. 227, no. 1-2, pp. 217-222, 2005.
V. R. Choudhary, Dhar, A., Jana, P., Jha, R., and Uphade, B. S., Green process for chlorine-free benzaldehyde from the solvent-free oxidation of benzyl alcohol with molecular oxygen over a supported nano-size gold catalyst, Green Chemistry, vol. 7, no. 11, pp. 768-770, 2005.
V. R. Choudhary, Jha, R., and Choudhari, P. A., Highly active and reusable catalyst from Fe-Mg-hydrotalcite anionic clay for friedel-crafts type benzylation reactions, Journal of Chemical Sciences, vol. 117, no. 6, pp. 635-639, 2005.
V. R. Choudhary, Mondal, K. C., and Mamman, A. Singh, High-temperature stable and highly active/selective supported NiCoMgCeOx catalyst suitable for autothermal reforming of methane to syngas, Journal of Catalysis, vol. 233, no. 1, pp. 36-40, 2005.
V. R. Choudhary and Samanta, C., Hydrogen peroxide formation in the interaction of oxygen with boron-containing Pd catalysts prereduced by hydrazine in aqueous acidic medium containing bromide anions, Catalysis Letters, vol. 99, no. 1-2, pp. 79-81, 2005.
T. V. Choudhary, Kinage, A., Banerjee, S., and Choudhary, V. R., Influence of hydrothermal pretreatment on acidity and activity of H-GaAlMFI zeolite for the propane aromatization reaction, Microporous and Mesoporous Materials, vol. 87, no. 1, pp. 23-32, 2005.
T. V. Choudhary, Banerjee, S., and Choudhary, V. R., Influence of PdO content and pathway of its formation on methane combustion activity, Catalysis Communications, vol. 6, no. 2, pp. 97-100, 2005.
V. R. Choudhary, Jha, R., and Narkhede, V. S., In-Mg-hydrotalcite anionic clay as catalyst or catalyst precursor for friedel-crafts type benzylation reactions, Journal of Molecular Catalysis A-Chemical, vol. 239, no. 1-2, pp. 76-81, 2005.
V. R. Choudhary and Deshmukh, G. M., Kinetics of the complete combustion of dilute propane and methyl ethyl ketone over Cr-doped ZrO2 catalyst, Chemical Engineering Science, vol. 60, no. 6, pp. 1575-1581, 2005.
V. R. Choudhary, Deshmukh, G. M., and Mishra, D. P., Kinetics of the complete combustion of dilute propane and toluene over iron-doped ZrO2 catalyst, Energy & Fuels, vol. 19, no. 1, pp. 54-63, 2005.
V. R. Choudhary, Deshmukh, G. M., and Pataskar, S. G., Low temperature complete combustion of dilute toluene and methyl ethyl ketone over Mn-doped ZrO2 (cubic) catalysts, Journal of Chemical Technology and Biotechnology, vol. 80, no. 8, pp. 934-938, 2005.
V. R. Choudhary, Deshmukh, G. M., and Pataskar, S. G., Low-temperature complete combustion of a dilute mixture of methane and propane over transition-metal-doped ZrO2 catalysts: effect of the presence of propane on methane combustion, Environmental Science and Technology, vol. 39, no. 7, pp. 2364-2368, 2005.
V. R. Choudhary, Samanta, C., and Jana, P., Novel route for in-situ H2O2 generation from selective reduction of O-2 by hydrazine using heterogeneous Pd catalyst in an aqueous medium, Chemical Communications, no. 43, pp. 5399-5401, 2005.
V. R. Choudhary, Mondal, K. C., and Mulla, S. Abdul Rash, Simultaneous conversion of methane and methanol into gasoline over bifunctional Ga-, Zn-, In-, and/or Mo-modified ZSM-5 zeolites, Angewandte Chemie-International Edition, vol. 44, no. 28, pp. 4381-4385, 2005.
2006
V. R. Choudhary and Mondal, K. C., CO2 reforming of methane combined with steam reforming or partial oxidation of methane to syngas over NdCoO3 perovskite-type mixed metal-oxide catalyst, Applied Energy, vol. 83, no. 9, pp. 1024-1032, 2006.
V. R. Choudhary, Mondal, K. C., and Choudhary, T. V., CO2 reforming of methane to syngas over CoOx/MgO supported on low surface area macroporous catalyst carrier: Influence of Co loading and process conditions, Industrial & Engineering Chemistry Research, vol. 45, no. 13, pp. 4597-4602, 2006.
V. R. Choudhary, Samanta, C., and Choudhary, T. V., Direct oxidation of H-2 to H2O2 over Pd-based catalysts: influence of oxidation state, support and metal additives, Applied Catalysis A-General, vol. 308, pp. 128-133, 2006.
V. R. Choudhary, Samanta, C., and Choudhary, T. V., Factors influencing decomposition of H2O2 over supported Pd catalyst in aqueous medium, Journal of Molecular Catalysis A-Chemical, vol. 260, no. 1-2, pp. 115-120, 2006.
V. R. Choudhary, Mondal, K. C., and Choudhary, T. V., Methane reforming over a high temperature stable-NiCoMgOx supported on zirconia-hafnia catalyst, Chemical Engineering Journal, vol. 121, no. 2-3, pp. 73-77, 2006.
V. R. Choudhary, Mondal, K. C., and Mulla, S. Abdul Rash, Non-catalytic pyrolysis of ethane to ethylene in the presence of CO2 with or without limited O-2, Journal of Chemical Science, vol. 118, no. 3, pp. 261-267, 2006.
V. R. Choudhary, Mondal, K. C., and Choudhary, T. V., Oxy-CO2 reforming of methane to syngas over CoOx/CeO2/SA-5205 catalyst, Energy & Fuel, vol. 20, no. 5, pp. 1753-1756, 2006.
V. R. Choudhary, Mondal, K. C., and Choudhary, T. V., Oxy-CO2 reforming of methane to syngas over CoOx/MgO/SA-5205 catalyst, Fuel, vol. 85, no. 17-18, pp. 2484-2488, 2006.
V. R. Choudhary, Mondal, K. C., and Choudhary, T. V., Partial oxidation of methane to syngas with or without simultaneous steam or CO2 reforming over a high-temperature stable-NiCoMgCeOx supported on zirconia-hafnia catalyst, Applied Catalysis A-General, vol. 306, pp. 45-50, 2006.
T. V. Choudhary, Kinage, A., Banerjee, S., and Choudhary, V. R., Propane conversion to aromatics on highly active H-GaAlMFI: effect of thermal pretreatment, Energy & Fuel, vol. 20, no. 3, pp. 919-922, 2006.
2007
K. C. Mondal, Choudhary, V. R., and Joshi, U. A., CO2 reforming of methane to syngas over highly active and stable supported CoOx (accompanied with MgO, ZrO2 or CeO2) catalysts, Applied Catalysis A-General, vol. 316, no. 1, pp. 47-52, 2007.
V. R. Choudhary, Samanta, C., and Jana, P., Decomposition and/or hydrogenation of hydrogen peroxide over Pd/Al2O3 catalyst in aqueous medium: factors affecting the rate of H2O2 destruction in presence of hydrogen, Applied Catalysis A-General, vol. 332, no. 1, pp. 70-78, 2007.
C. Samanta and Choudhary, V. R., Direct formation of H2O2 from H-2 and O-2 and decomposition/hydrogenation of H2O2 in aqueous acidic reaction medium over halide-containing Pd/SiO2 catalytic system, Catalysis Communications, vol. 8, no. 12, pp. 2222-2228, 2007.
V. R. Choudhary and Jana, P., Direct oxidation of H-2 to H2O2 over Br and F-promoted Pd/Al2O3 in aqueous acidic medium: influence of the concentration of Br and F and the method of incorporation of the two halogens in the catalyst on their beneficial synergetic effect on the net H2O2, Applied Catalysis A-General, vol. 329, pp. 79-85, 2007.
V. R. Choudhary, Ingole, Y. V., Samanta, C., and Jana, P., Direct oxidation of hydrogen to hydrogen peroxide over Pd (or PdO)/Al2O3 in aqueous reaction medium: influence of different acids and halide anions in reaction medium on formation and destruction of H2O2, Industrial & Engineering Chemistry Research, vol. 46, no. 25, pp. 8566-8573, 2007.
C. Samanta and Choudhary, V. R., Direct synthesis of H2O2 from H-2 and O-2 over Pd/H-beta catalyst in an aqueous acidic medium: influence of halide ions present in the catalyst or reaction medium on H2O2 formation, Catalysis Communications, vol. 8, no. 1, pp. 73-79, 2007.
C. Samanta and Choudhary, V. R., Direct synthesis of H2O2 from H-2 andO(2) and decomposition/hydrogenation of H2O2 in an aqueous acidic medium over halide-modified Pd/Al(2)O3 catalysts, Applied Catalysis A-General, vol. 330, pp. 23-32, 2007.
V. R. Choudhary, Samanta, C., and Jana, P., Formation from direct oxidation of H-2 and destruction by decomposition/hydrogenation of H2O2 over Pd/C catalyst in aqueous medium containing different acids and halide anions, Applied Catalysis A-General, vol. 317, no. 2, pp. 234-243, 2007.
V. R. Choudhary and Jha, R., GaClx- or GaAlClx-grafted Si-MCM-41: highly active and moisture insensitive/stable catalyst for the acylation and benzylation of benzene, naphthalene and substituted benzenes, Applied Catalysis A-General, vol. 333, no. 1, pp. 42-48, 2007.
V. R. Choudhary, Jana, P., and Samanta, C., Generation of hydrogen peroxide via the selective reduction of oxygen by hydrazine sulfate over Br-promoted Pd/Al2O3 catalyst in an aqueous medium at ambient conditions, Applied Catalysis A-General, vol. 323, pp. 202-209, 2007.
V. R. Choudhary, Samanta, C., and Jana, P., Hydrogenation of hydrogen peroxide over palladium/carbon in aqueous acidic medium containing different halide anions under static/flowing hydrogen, Industrial & Engineering Chemistry Research, vol. 46, no. 10, pp. 3237-3242, 2007.
V. R. Choudhary and Jana, P., In situ generation of hydrogen peroxide from reaction of O-2 with hydroxylamine from hydroxylammonium salt in neutral aqueous or non-aqueous medium using reusable Pd/Al2O3 catalyst, Catalysis Communications, vol. 8, no. 11, pp. 1578-1582, 2007.
V. R. Choudhary, Mondal, K. C., and Choudhary, T. V., Oxy-methane reforming over high temperature stable NiCoMgCeOx and NiCoMgOx supported on zirconia-haffnia catalysts: accelerated sulfur deactivation and regeneration, Catalysis Communications, vol. 8, no. 3, pp. 561-564, 2007.
V. R. Choudhary, Jana, P., and Bhargava, S. Kumar, Reduction of oxygen by hydroxylammonium salt or hydroxylamine over supported Au nanoparticles for in situ generation of hydrogen peroxide in aqueous or non-aqueous medium, Catalysis Communications, vol. 8, no. 5, pp. 811-816, 2007.
V. R. Choudhary, Jha, R., and Jana, P., Solvent-free selective oxidation of benzyl alcohol by molecular oxygen over uranium oxide supported nano-gold catalyst for the production of chlorine-free benzaldehyde, Green Chemistry, vol. 9, no. 3, pp. 267-272, 2007.
V. R. Choudhary, Jha, R., Chaudhari, N. K., and Jana, P., Supported copper oxide as a highly active/selective catalyst for the epoxidation of styrene by TBHP to styrene oxide, Catalysis Communications, vol. 8, no. 10, pp. 1556-1560, 2007.
V. R. Choudhary and Jana, P., Synergetic effect of two halogen promoters present in acidic reaction medium or catalyst on the H2O2 formation (in H-2-to-H2O2 oxidation) and destruction over Pd/C (or Al2O3) catalyst, Journal of Catalysis, vol. 246, no. 2, pp. 434-439, 2007.
2008
V. R. Choudhary, Jana, P., and Bhargava, S. Kumar, Direct H(2)-to-H(2)O(2) oxidation in aqueous acidic medium containing Br promoter over Pd/Al(2)O(3) and Pd/C catalysts thermally pretreated under different conditions, Catalysis Letters, vol. 125, no. 3-4, pp. 296-301, 2008.
V. R. Choudhary and Jana, P., Direct oxidation of H-2 to H2O2 over different supported PdO catalysts in aqueous acidic medium: Influence of the reduction, calcination temperature and support of the catalyst on its net H2O2 formation activity, Catalysis Communications, vol. 9, no. 7, pp. 1624-1629, 2008.
C. Samanta and Choudhary, V. R., Direct oxidation of H-2 to H2O2 over Pd/CeO2 catalyst under ambient conditions: influence of halide ions, Chemical Engineering Journal, vol. 136, no. 2-3, pp. 126-132, 2008.
V. R. Choudhary and Jana, P., Direct oxidation of H-2 to H2O2 over PdO/Al2O3 catalysts in aqueous acidic medium: influence on H2O2 formation of Pd loading, calcination temperature and reduction of catalyst and presence of halide anions, Catalysis Communications, vol. 9, no. 14, pp. 2371-2375, 2008.
T. V. Choudhary and Choudhary, V. R., Energy-efficient syngas production through, catalytic oxy-methane reforming reactions, Angewandte Chemie-International Edition, vol. 47, no. 10, pp. 1828-1847, 2008.
V. R. Choudhary and Jana, P., Factors influencing the in situ generation of hydrogen peroxide from the reduction of oxygen by hydroxylamine from hydroxylammonium sulfate over Pd/alumina, Applied Catalysis A-General, vol. 335, no. 1, pp. 95-102, 2008.
V. R. Choudhary and Jha, R., GaAlCl(x)-grafted Mont.K-10 clay: highly active and stable solid catalyst for the friedel-crafts type benzylation and acylation reactions, Catalysis Communications, vol. 9, no. 6, pp. 1101-1105, 2008.
V. H. Rane, Chaudhari, S. T., and Choudhary, V. R., Influence of alkali metal doping on surface properties and catalytic activity/selectivity of CaO catalysts in oxidative coupling of methane, Journal of Natural Gas Chemistry, vol. 17, no. 4, pp. 313-320, 2008.
V. R. Choudhary, Patil, V. P., Jana, P., and Uphade, B. S., Nano-gold supported on Fe2O3: a highly active catalyst for low temperature oxidative destruction of methane green house gas from exhaust/waste gases, Applied Catalysis A-General, vol. 350, no. 2, pp. 186-190, 2008.
V. R. Choudhary, Jha, R., and Jana, P., Selective epoxidation of styrene to styrene oxide by TBHP using simple transition metal oxides (NiO, CoO or MoO3) as highly active environmentally-friendly catalyst, Catalysis Communications, vol. 10, no. 2, pp. 205-207, 2008.
H. B. Borate, Dumbre, D. K., Wakharkar, R. D., and Choudhary, V. R., Synthesis of substituted styrenes and stilbenes mediated by palladium on zirconia, Journal of Chemical Research-S, no. 9, pp. 495-499, 2008.
2009
V. R. Choudhary and Jha, R., Acylation of nitrobenzene and substituted nitrobenzenes by benzoyl chloride using GaClx- and GaAlClx-grafted meporous Si-MCM-41 catalysts, Microporous and Mesoporous Materials, vol. 119, no. 1-3, pp. 360-362, 2009.
V. R. Choudhary and Jana, P., Direct H-2-to-H2O2 oxidation over highly active/selective Br-F-Pd/Al2O3 catalyst in aqueous acidic medium: Influence of process conditions on the H2O2 formation, Applied Catalysis A-General, vol. 352, no. 1-2, pp. 35-42, 2009.
V. R. Choudhary and Dumbre, D. K., Magnesium oxide supported nano-gold: a highly active catalyst for solvent-free oxidation of benzyl alcohol to benzaldehyde by TBHP, Catalysis Communications, vol. 10, no. 13, pp. 1738-1742, 2009.
V. R. Choudhary, Dumbre, D. K., and Bhargava, S. Kumar, Oxidation of benzyl alcohol to benzaldehyde by tert-butyl hydroperoxide over nanogold supported on TiO2 and other transition and rare-earth metal oxides, Industrial & Engineering Chemistry Research, vol. 48, no. 21, pp. 9471-9478, 2009.
V. R. Choudhary and Dumbre, D. K., Supported nano-gold catalysts for epoxidation of styrene and oxidation of benzyl alcohol to benzaldehyde, Topics in Catalysis, vol. 52, no. 12, pp. 1677-1687, 2009.