Search Results - "Hari Padmasri Aytam"

Production of hydrogen through the coupling of dehydrogenation and hydrogenation for the synthesis of cyclohexanone and furfuryl alcohol over different promoters supported on Cu–MgO catalysts by Nagaraja, Bhari Mallanna, Padmasri, Aytam Hari, Raju, Burri David, Rama Rao, Kamaraju Seetha

“…Cu–MgO is found to be an efficient catalyst for the coupling reaction of furfural (FAL) hydrogenation and cyclohexanol (CyOH) dehydrogenation. This process is…”
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Methane conversion to H2 and carbon nanofibers over supported Ni catalysts: A sustainable process through utilization of deactivated catalysts by Manda, Kalpana, Kandula, Manasa, Aytam, Padmasri Hari, Basak, Pratyay, Sarma, Akella V. S., Akula, Venugopal

“…The renewable resource such as rice husk has been utilized to synthesize Hβ zeolite as a support for Ni catalysts for the production of clean hydrogen and…”
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Influence of acid-base sites on ZnO-ZnCr2O4 catalyst during dehydrocyclization of aqueous glycerol and ethylenediamine for the synthesis of 2-methylpyrazine: Kinetic and mechanism studies by VENUGOPAL, Akula, SARKARI, Reema, ANJANEYULU, Chatla, KRISHNA, Vankudoth, MANDARI KOTESH KUMAR, NARENDER, Nama, AYTAM HARI PADMASRI

“…The physicochemical characteristics of ZnO-ZnCr2O4 (Zn-Cr-O) mixed oxides were determined by adsorption and spectroscopic methods. The catalytic activities of…”
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Rice Husk Ash Derived SiO2 for Template Free Synthesis of H-ZSM-5 Support for Ni Catalyst: Investigation on Non-Oxidative CH4 Cracking for Clean H2 Production by Kandula, Manasa, Gutta, Naresh, Aytam, Hari Padmasri, Perupogu, Vijayanand, Manda, Kalpana, Akula, Venugopal

“…H-ZSM-5(RH) was synthesized using rice husk without an organic reagent and explored it as a support for Ni in the catalytic cracking of methane (CCM). Detailed…”
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Synthesis of 2-Methylpyrazine Using Crude Glycerol over Zn-Cr-O Catalyst: A Value Addition Process for the Utilization of Biodiesel By-Product by Reema Sarkari, Kotesh Kumar Mandari, Sudhakar Medak, Kishore Ramineni, Hari Padmasri Aytam, Venugopal Akula

“…Mixed oxides of ZnO and Cr2O3 with varied mole ratios were synthesized, characterized, and evaluated for the dehydrocyclization of crude glycerol for the…”
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Effect of precipitating agents on activity of co-precipitated Cu–MgO catalysts towards selective furfural hydrogenation and cyclohexanol dehydrogenation reactions by Patil, Komal N., Manikanta, P., Nikam, Rohith Rangnath, Srinivasappa, Puneethkumar M., Jadhav, Arvind H., Aytam, Hari Padmasri, Rama Rao, Kamaraju Seetha, Nagaraja, Bhari Mallanna

“…The major industrial application and study of hydrogenation of furfural-to-furfural alcohol and dehydrogenation of cyclohexanol to cyclohexanone, over…”
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The effects of thermal treatment of ZnO–ZnCr2O4 catalyst on the particle size and product selectivity in dehydrocyclization of crude glycerol and ethylenediamine by Sarkari, Reema, Krishna, Vankudoth, Sudhakar, Medak, Rao, Tumula Venkateshwar, Padmasri, Aytam Hari, Srinivas, Darbha, Venugopal, Akula

“…The ZnO–ZnCr 2 O 4 (Zn–Cr–O) sample obtained by decomposition of Zn-Cr hydrotalcite precursor was subjected to the thermal treatment at different temperatures…”
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Effect of method of preparation of Ni and/or Cu supported on ZSM-5 catalysts for the aqueous phase hydrogenation of levulinic acid to γ-valerolactone by Varimalla, Shirisha, Manda, Kalpana, Boggala, Sasikumar, Nappuni, Rohitha Chozhiyath, Inkollu, Sreedhar, Aytam, Hari Padmasri, Akula, Venugopal

“…A series of Cu and Ni supported on ZSM-5 catalysts were synthesized by ion exchange (IE) and impregnation (IMP) techniques and examined for the aqueous phase…”
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Evaluation of in-situ formed La2O3–TiO2–La2O2CO3 nanocomposite photocatalyst for H2 production by Mandari, Kotesh Kumar, Aytam, Hari Padmasri, Varimalla, Shirisha, Velisoju, Vijay Kumar, Akula, Venugopal

“…The photocatalytic evolution of H2 over La2O3 decorated TiO2 catalyst was examined under solar light. It was observed that during the course of the reaction,…”
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Effect of Si/Zr Ratio on the Catalytic Transformation of Glycerol to Solketal Over Sulfated Zr-MCM-41 Catalysts by Matkala, Balakrishna, Boggala, Sasikumar, Basavaraju, Srinivas, Akella, V.S. Sarma, Aytam, Hari Padmasri

“…Sulfated Zr-MCM-41 (SZM) was found to be a highly efficient and reusable mesoporous catalyst with 97% glycerol conversion and 99% solketal selectivity under…”
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Zero-emission hydrogen production by CH4 pyrolysis over Ni/Ferrierite catalyst: Examination of the deactivated catalysts for electrical conductivity and H2 storage properties by Manda, Kalpana, Boggala, Sasikumar, Varimalla, Shirisha, Aytam, Hari Padmasri, Basak, Pratyay, Inkollu, Sreedhar, Akula, Venugopal

“…An economic route for the generation of hydrogen and utilization of carbon nanofibers (CNFs) was achieved by CH4 cracking over 20 wt%Ni/FER catalyst. The…”
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Rutile TiO2 a desirable support for Ni catalyst in the synthesis of γ-valerolactone: Influence of titania crystal phase on the product distribution by Varimalla, Shirisha, Boggala, Sasikumar, Manda, Kalpana, Aytam, Padmasri Hari, Akula, Venugopal

“…Rutile TiO2 was identified as a suitable support for nickel than the anatase form in the selective conversion of levulinic acid (LA) to γ-valerolactone (GVL)…”
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Influence of sulphonation on Al-MCM-41 catalyst for effective bio-glycerol conversion to Solketal by Matkala, Balakrishna, Boggala, Sasikumar, Basavaraju, Srinivas, Sarma Akella, V.S., Aytam, Hari Padmasri

“…Al-MCM-41 and sulphate modified Al-MCM-41 catalysts with variable sulphate loadings (0.25-1SAM) were synthesized through sol-gel and impregnation techniques…”
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Methane conversion to H 2 and carbon nanofibers over supported Ni catalysts: A sustainable process through utilization of deactivated catalysts by Manda, Kalpana, Kandula, Manasa, Aytam, Padmasri Hari, Basak, Pratyay, Sarma, Akella V. S., Akula, Venugopal

“…Abstract The renewable resource such as rice husk has been utilized to synthesize Hβ zeolite as a support for Ni catalysts for the production of clean hydrogen…”
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Rice Husk Ash Derived SiO.sub.2 for Template Free Synthesis of H-ZSM-5 Support for Ni Catalyst: Investigation on Non-Oxidative CH.sub.4 Cracking for Clean H.sub.2 Production by Kandula, Manasa, Gutta, Naresh, Aytam, Hari Padmasri, Perupogu, Vijayanand, Manda, Kalpana, Akula, Venugopal

“…H-ZSM-5(RH) was synthesized using rice husk without an organic reagent and explored it as a support for Ni in the catalytic cracking of methane (CCM). Detailed…”
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Influence of surface Lewis acid sites for the selective hydrogenation of levulinic acid to γ-valerolactone over Ni–Cu–Al mixed oxide catalyst by Gundeboina, Rambabu, Velisoju, Vijay Kumar, Gutta, Naresh, Medak, Sudhakar, Aytam, Hari Padmasri

“…Al 2 O 3 interacted Cu–Ni bimetallic catalysts derived from incorporation of Cu into Ni–Al hydrotalcite were found to be efficient in the selective…”
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MCM-41 from rice husk silica as a support for Ni catalyst in the emission-free production of H2 by CH4 cracking by Kandula, Manasa, Manda, Kalpana, Boggala, Sasikumar, Chatla, Anjaneyulu, Jangam, Ashok, Aytam, Hari Padmasri, Inkollu, Sreedhar, Akula, Venugopal

“…Selecting a sustainable source of silica from biomass waste was the research challenge that was put forth in this investigation. Herein, the MCM-41 support has…”
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MCM-41 from rice husk silica as a support for Ni catalyst in the emission-free production of H 2 by CH 4 cracking by Kandula, Manasa, Manda, Kalpana, Boggala, Sasikumar, Chatla, Anjaneyulu, Jangam, Ashok, Aytam, Hari Padmasri, Inkollu, Sreedhar, Akula, Venugopal

“…Selecting a sustainable source of silica from biomass waste was the research challenge that was put forth in this investigation. Herein, the MCM-41 support has…”
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Crude bio-glycerol as a hydrogen source for the selective hydrogenation of aromatic nitro compounds over Ru/MgLaO catalyst by Sudhakar, Medak, Naresh, Gutta, Rambabu, Gundeboina, Anjaneyulu, Chatla, Padmasri, Aytam Hari, Kantam, Mannepalli Lakshmi, Venugopal, Akula

“…Crude glycerol has been utilized as a hydrogen source for the selective hydrogenation of aromatic nitro compounds over MgLaO, MgO and La2O3 supported Ru…”
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Zn-Modified CuCr2O4 as Stable and Active Catalyst for the Synthesis of 2,6-Dimethylpyrazine: Valorization of Crude Glycerol Obtained from a Biodiesel Plant by Vankudoth, Krishna, Velisoju, Vijay Kumar, Gutta, Naresh, Sathu, Naveen Kumar, Aytam, Hari Padmasri, Inkollu, Sreedhar, Akula, Venugopal

“…Modified CuCr2O4 catalysts were investigated for vapor phase conversion of crude glycerol and 1,2-propanediamine (1,2-PDA) to synthesize 2,6-dimethylpyrazine…”
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