Search Results - "Ivanova, Radostina"

Synthesis and characterization of copper-nickel ferrite catalysts for ethyl acetate oxidation by Velinov, Nikolay, Petrova, Tanya, Ivanova, Radostina, Tsoncheva, Tanya, Kovacheva, Daniela, Mitov, Ivan

“…Materials with nominal composition Cu 0.5 Ni 0.5 Fe 2 O 4 were prepared by sol-gel auto-combustion technique using corresponding metal nitrates and citric acid…”
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Design Control of Copper-Doped Titania–Zirconia Catalysts for Methanol Decomposition and Total Oxidation of Ethyl Acetate by Tsoncheva, Tanya, Issa, Gloria, Ivanova, Radostina, Dimitrov, Momtchil, Kovacheva, Daniela, Atanasova, Genoveva, Henych, Jiří

“…This study is focused on the design control of Cu–Zr–Ti oxide composites by the variation of the Zr/Ti ratio and the copper deposition procedure used. For the…”
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Design and Catalytic Behaviour of Hosted in Activated Carbon Foam CoxZn1−xFe2O4 Ferrites by Tsoncheva, Tanya, Ivanova, Radostina, Velinov, Nikolay, Kovacheva, Daniela, Spassova, Ivanka, Karashanova, Daniela, Petrov, Nartzislav

“…Carbon foams with different surface functionality and tailored texture characteristics were prepared from mixtures containing coal tar pitch and furfural in…”
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Ni0.5M0.5Fe2O4 (M = Cu, Zn) Ferrites Hosted in Nanoporous Carbon from Waste Materials as Catalysts for Hydrogen Production by Tsoncheva, Tanya, Spassova, Ivanka, Issa, Gloria, Ivanova, Radostina, Kovacheva, Daniela, Paneva, Daniela, Karashanova, Daniela, Velinov, Nikolay, Tsyntsarski, Boiko, Georgieva, Biliana, Dimitrov, Momtchil, Petrov, Nartzislav

“…This work is focused on the preparation of Ni 0.5 M 0.5 Fe 2 O 4 mixed ferrites (M = Zn or Cu), supported on nanoporous carbons materials. The carbon supports…”
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Effect of preparation procedure on the formation of nanostructured ceria–zirconia mixed oxide catalysts for ethyl acetate oxidation: Homogeneous precipitation with urea vs template-assisted hydrothermal synthesis by Tsoncheva, Tanya, Ivanova, Radostina, Henych, Jiri, Dimitrov, Momtchil, Kormunda, Martin, Kovacheva, Daniela, Scotti, Nicola, Santo, Vladimiro Dal, Štengl, Vaclav

“…[Display omitted] •Homogeneous precipitation with urea vs template-assisted hydrothermal method.•Control of texture, structure, acidic and redox properties by…”
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Mixed oxides of cerium and manganese as catalysts for total oxidation of ethyl acetate: effect of preparation procedure by Issa, Gloria, Dimitrov, Momtchil, Ivanova, Radostina, Kormunda, Martin, Kovacheva, Daniela, Tsoncheva, Tanya

“…The microstructure of manganese and cerium oxide bi-component materials with different Ce/Mn ratio, obtained by co-precipitation and template assisted…”
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NixZn1-xFe2O4 modified activated carbons from industrial waste as catalysts for hydrogen production by Tsoncheva, Tanya, Tsyntsarski, Boiko, Ivanova, Radostina, Spassova, Ivanka, Kovacheva, Daniela, Issa, Gloria, Paneva, Daniela, Karashanova, Daniela, Dimitrov, Momtchil, Georgieva, Biliana, Velinov, Nikolay, Mitov, Ivan, Petrov, Nartzislav

“…This study is aimed at the development of intelligent approach for clean energy production via valorization of industrial waste by-products. The proposed…”
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Nickel-Decorated Mesoporous Iron–Cerium Mixed Oxides: Microstructure and Catalytic Activity in Methanol Decomposition by Tsoncheva, Tanya, Rosmini, Consolato, Mihaylov, Mihail, Henych, Jiří, Chakarova, Kristina, Velinov, Nikolay, Kovacheva, Daniela, Němečková, Zuzana, Kormunda, Martin, Ivanova, Radostina, Spassova, Ivanka, Hadjiivanov, Konstantin

“…Nickel-decorated mesoporous cerium–iron oxide composites were synthesized by a combination of incipient wetness impregnation and template-assisted hydrothermal…”
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Effect of porous structure on the formation of active sites in manganese hosted in ordered mesoporous silica catalysts for environmental protection by Ivanova, Radostina, Genova, Izabela, Kovacheva, Daniela, Atanasova, Genoveva, Tsoncheva, Tanya

“…Recently ordered mesoporous silicas have been considered as suitable catalyst supports due to their high surface area, well developed porous volume and tuned…”
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Valorization of coal treatment residues as a host matrix of nanosized nickel, copper and zinc ferrites by Tsoncheva, Tanya, Spassova, Ivanka, Ivanova, Radostina, Kovacheva, Daniela, Paneva, Daniela, Velinov, Nikolay, Tsyntsarski, Boiko, Petrov, Nartzislav

“…High quality activated carbon was prepared using by-products from the pyrolysis of low rank coals as a precursor. The obtained carbon material was applied as a…”
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Formation of catalytic active sites in iron modified activated carbons from agriculture residues by Tsoncheva, Tanya, Velinov, Nikolay, Ivanova, Radostina, Stoycheva, Ivanka, Tsyntsarski, Boyko, Spassova, Ivanka, Paneva, Daniela, Issa, Gloria, Kovacheva, Daniela, Genova, Izabela, Mitov, Ivan, Petrov, Narzislav

“…Agriculture residues (grape seeds, peach, apricot and olive stones) were used as a precursor of activated carbons with tunable textural characteristics and…”
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Template-assisted hydrothermally synthesized iron-titanium binary oxides and their application as catalysts for ethyl acetate oxidation by Tsoncheva, Tanya, Ivanova, Radostina, Dimitrov, Momtchil, Paneva, Daniela, Kovacheva, Daniela, Henych, Jiří, Vomáčka, Petr, Kormunda, Martin, Velinov, Nikolay, Mitov, Ivan, Štengl, Vaclav

“…[Display omitted] •Template assisted hydrothermal synthesis of Fe2O3-TiO2 with different composition.•Effect of texture and structure of binary oxides on total…”
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Cobalt ferrite nanoparticles hosted in activated carbon from renewable sources as catalyst for methanol decomposition by Genova, Izabela, Tsoncheva, Tanya, Dimitrov, Momtchil, Paneva, Daniela, Tsyntsarski, Boyko, Ivanova, Radostina, Cherkezova-Zheleva, Zara, Budinova, Temenuzhka, Kovacheva, Daniela, Mitov, Ivan, Petrov, Nartzislav

“…High quality micro-mesoporous activated carbon was prepared from waste bio-mass (peach shells) and used as a host matrix of cobalt ferrite nanoparticles. The…”
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Activated carbon from waste biomass as catalyst support: formation of active phase in copper and cobalt catalysts for methanol decomposition by Tsoncheva, Tanya, Genova, Izabela, Stoycheva, Ivanka, Spassova, Ivanka, Ivanova, Radostina, Tsyntsarski, Boyko, Issa, Gloria, Kovacheva, Daniela, Petrov, Nartzislav

“…Activated carbons (AC) from various waste agriculture precursors with different texture and surface characteristics were obtained by different preparation…”
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Iron modified titanium–hafnium binary oxides as catalysts in total oxidation of ethyl acetate by Tsoncheva, Tanya, Ivanova, Radostina, Henych, Jiří, Velinov, Nikolay, Kormunda, Martin, Dimitrov, Momtchil, Paneva, Daniela, Slušná, Michaela, Mitov, Ivan, Štengl, Vaclav

“…Multicomponent iron–titanium–hafnium oxide materials with different compositions were prepared by combination of homogeneous precipitation with urea and…”
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Cobalt- and iron-based nanoparticles hosted in SBA-15 mesoporous silica and activated carbon from biomass: Effect of modification procedure by Tsoncheva, Tanya, Genova, Izabela, Paneva, Daniela, Dimitrov, Momtchil, Tsyntsarski, Boyko, Velinov, Nicolay, Ivanova, Radostina, Issa, Gloria, Kovacheva, Daniela, Budinova, Temenujka, Mitov, Ivan, Petrov, Narzislav

“…Ordered mesoporous silica of SBA-15 type and activated carbon, prepared from waste biomass (peach stones), are used as host matrix of nanosized iron and cobalt…”
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Multi-component titanium–copper–cobalt- and niobium nanostructured oxides as catalysts for ethyl acetate oxidation by Tsoncheva, Tanya, Henych, Jiři, Ivanova, Radostina, Kovacheva, Daniela, Štengl, Václav

“…A series of multi-component materials on the base of titania doped with niobium, copper and/or cobalt oxides was prepared and tested as catalysts for the total…”
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Cobalt and iron modified activated carbon from coal tar pitch: preparation and application as catalysts for methanol decomposition by Tsoncheva, Tanya, Genova, Isabela, Tsyntsarski, Boyko, Dimitrov, Momtchil, Paneva, Daniela, Cherkezova-Zheleva, Zara, Budinova, Temenujka, Ivanova, Radostina, Mitov, Ivan, Petrov, Nartzislav

“…Activated carbons were prepared from waste coal treatment by-products by different preparation and activation procedures and applied as a host matrix of…”
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Transition metal modified activated carbons from biomass and coal treatment products as catalysts for methanol decomposition by Tsoncheva, Tanya, Genova, Isabela, Tsintsarski, Bojko, Dimitrov, Momtchil, Paneva, Daniela, Zheleva, Zara, Yordanova, Ivanka, Issa, Gloria, Kovacheva, Daniela, Budinova, Temenujka, Kolev, Hristo, Ivanova, Radostina, Mitov, Ivan, Petrov, Narcislav

“…Copper, iron and cobalt supported on activated carbon materials are compared as catalysts in methanol decomposition in view of their potential application as…”
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