Search Results - "Kumari, V. Durga"

Cu2O-sensitized TiO2 nanorods with nanocavities for highly efficient photocatalytic hydrogen production under solar irradiation by Praveen Kumar, D., Lakshmana Reddy, N., Mamatha Kumari, M., Srinivas, B., Durga Kumari, V., Sreedhar, B., Roddatis, V., Bondarchuk, O., Karthik, M., Neppolian, B., Shankar, M.V.

“…Hydrogen trititanate (H2Ti3O7) nanorods were synthesized by using a hydrothermal method. The transformation of the crystal structure from H2Ti3O7 to TiO2…”
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Synergistic effect of nanocavities in anatase TiO2 nanobelts for photocatalytic degradation of methyl orange dye in aqueous solution by Praveen Kumar, D., Lakshmana Reddy, N., Karthikeyan, M., Chinnaiah, N., Bramhaiah, V., Durga Kumari, V., Shankar, M.V.

“…Nano-size cavities on anatase TiO2 nanobelt catalyzed fast degradation of methyl orange dye under solar irradiation, due to improved surface-interface and…”
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Hydrogen production by catalytic decomposition of methane over Ni/SiO2 by VENUGOPAL, A, NAVEEN KUMAR, S, ASHOK, J, HARI PRASAD, D, DURGA KUMARI, V, PRASAD, K. B. S, SUBRAHMANYAM, M

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TiO2 supported over SBA-15: An efficient photocatalyst for the pesticide degradation using solar light by Phanikrishna Sharma, M.V, Durga Kumari, V, Subrahmanyam, M

“…Photocatalytic degradation and mineralization of pesticides are studied over TiO(2) supported mesoporous SBA-15 composite system using solar light. TiO(2) is…”
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Photocatalytic degradation of isoproturon herbicide over TiO2/Al-MCM-41 composite systems using solar light by Phanikrishna Sharma, M.V, Durga Kumari, V, Subrahmanyam, M

“…The present investigation covers immobilization of TiO2 using a simple solid state dispersion technique over mesoporous Al-MCM-41 support for the treatment of…”
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COx-free H2 production via catalytic decomposition of CH4 over Ni supported on zeolite catalysts by ASHOK, J, NAVEEN KUMAR, S, VENUGOPAL, A, DURGA KUMARI, V, SUBRAHMANYAM, M

“…Catalytic decomposition of methane produces COX-free hydrogen, which is necessary for PEM fuel-cell applications. In this paper, hydrogen production by…”
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Pumice stone supported titanium dioxide for removal of pathogen in drinking water and recalcitrant in wastewater by Subrahmanyam, M., Boule, P., Durga Kumari, V., Naveen Kumar, D., Sancelme, M., Rachel, A.

“…Bactericidal and organic degradation effects of TiO 2 on pumice stone are described in this paper. Immobilization of TiO 2 on pumice stone is easy and…”
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Template synthesized nano-crystalline natrotantite: Preparation and photocatalytic activity for water decomposition by Ratnamala, A., Suresh, G., Kumari, V. Durga, Subrahmanyam, M.

“…A new method for preparation of natrotantite (Na 2Ta 4O 11) by hydrothermal method using cetyl trimethyl ammonium bromide (CTAB) template is reported. The…”
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Immobilized Fe(III)-HY: an efficient and stable photo-Fenton catalyst by Noorjahan, M., Durga Kumari, V., Subrahmanyam, M., Panda, Lipsa

“…This article presents preparation, characterization and evaluation of an efficient heterogeneous Fe(III)-HY catalyst for photo-assisted Fenton reaction…”
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Ce (III) species supported zeolites as novel photocatalysts for hydrogen production from water by Krishna Reddy, J., Suresh, G., Hymavathi, C.H., Durga Kumari, V., Subrahmanyam, M.

“…Cerium (0.3–3.2 wt.%) modified MCM-41, Al-MCM-41, HZSM-5 and HY systems were prepared by impregnation method. These catalysts were characterized by XRD, DRS…”
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A novel and efficient photocatalyst: TiO2-HZSM-5 combinate thin film by Noorjahan, M, Durga Kumari, V, Subrahmanyam, M, Boule, P

“…Thin films containing TiO2/HZSM-5 are found to be more active for the photocatalytic degradation of phenolic wastewaters than films without zeolite. The…”
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Photocatalytic degradation of H-acid over a novel TiO 2 thin film fixed bed reactor and in aqueous suspensions by Noorjahan, M, Pratap Reddy, M, Durga Kumari, V, Lavédrine, B, Boule, P, Subrahmanyam, M

“…The present work is focused on the heterogeneous photocatalytic degradation of H-acid, a toxic and non-biodegradable dye intermediate, in TiO 2 suspensions and…”
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Influence of reaction parameters for the enhanced photocatalytic hydrogen production using surface modified semiconductor Titania nanotubes by Praveen Kumar, D., Lakshmana Reddy, N., Srinivas, B., Durga Kumari, V., Shankar, M.V.

“…The physico-chemical properties of the photocatalyst and nature of reaction solution significantly influences the hydrogen (H2) production efficiency. The…”
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Vapor-phase synthesis of acetophenone in benzene acylation over CeHZSM-5(30) zeolite by RAM REDDY, P, SUBRAHMANYAM, M, DURGA KUMARI, V

“…The benzene acylation was carried out with acetic anhydride as an acylating agent in vapor phase over HZSM‐5, Si/Al =30 and 280, HY and Ce‐, V‐modified…”
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Vapor phase isopropylation of quinoline over modified HY zeolites by RAM REDDY, P, SUBRAHMANYAM, M, DURGA KUMARI, V

“…The vapor phase isopropylation of quinoline was carried out over HY and modified HY zeolites in a fixed‐bed reactor at atmospheric pressure. The yield of…”
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Calcined Mg–Al, Mg–Cr and Zn–Al hydrotalcite catalysts for tert-butylation of phenol with iso-butanol—a comparative study by Padmasri, A.H, Venugopal, A, Durga Kumari, V, Rama Rao, K.S, Kanta Rao, P

“…t-Butylation of phenol was studied using iso-butanol over mixed oxides obtained through calcination of Mg–Al (MA), Mg–Cr (MC) and Zn–Al (ZA) hydrotalcites with…”
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Highly selective and single step vapor phase synthesis of 2,6-bis(4-methylphenyl)pyridine over Al-MCM-41 molecular sieves by Ratnamala, A, Subrahmanyam, M, Durga Kumari, V

“…Vapor phase synthesis of 2,6-bis(4-methylpheny)pyridine (2,6-BP), an important drug intermediate, was carried out by the cyclization of 4-methyl acetophenone…”
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Hydrogen production by catalytic decomposition of methane over Ni/SiO2Ni/SiO2 by Venugopal, A., Naveen Kumar, S., Ashok, J., Hari Prasad, D., Durga Kumari, V., Prasad, K.B.S., Subrahmanyam, M.

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Shape dependence structural, optical and photocatalytic properties of TiO2 nanocrystals for enhanced hydrogen production via glycerol reforming by Kumar, D. Praveen, Kumari, V. Durga, Karthik, M., Sathish, M., Shankar, M.V.

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An integrated approach of solar photocatalytic and biological treatment of N-containing organic compounds in wastewater by Reddy, M. Pratap, Srinivas, B., Durga Kumari, V., Subrahmanyam, M., Sharma, P.N.

“…In the present study the integration of TiO 2 -assisted solar photocatalysis and biological treatment for the degradation of organic nitrogen containing…”
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