Search Results - "Kocik, Jaroslav"

Catalytic Performance of CuZnAl Hydrotalcite-Derived Materials in the Continuous-Flow Chemoselective Hydrogenation of 2-Methyl-2-pentanal toward Fine Chemicals and Pharmaceutical Intermediates by Abid, Rahma, Zawadzki, Bartosz, Kocik, Jaroslav, Słowik, Grzegorz, Ryczkowski, Janusz, Krawczyk, Mirosław, Kaszkur, Zbigniew, Pieta, Izabela S, Śrębowata, Anna

“…Hydrotalcite-derived materials are eco-friendly, cheap, and efficient catalysts of different reactions. However, their application in liquid-phase…”
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The utilization of ethanol for production of 1-butanol catalysed by Li–Al mixed metal oxides enhanced by Cu by Frolich, Karel, Malina, Jan, Hájek, Martin, Kocík, Jaroslav

“…The selective catalytic conversion of bio-ethanol into valuable chemical compounds, particularly 1-butanol (i.e., Guerbet reaction), has gained significant…”
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Surface Properties of Hydrotalcite-Based Zn(Mg)Al Oxides and Their Catalytic Activity in Aldol Condensation of Furfural with Acetone by Smoláková, Lucie, Frolich, Karel, Kocík, Jaroslav, Kikhtyanin, Oleg, Čapek, Libor

“…Basic mixed oxides MgAl, ZnMgAl, and ZnAl were successfully prepared from hydrotalcite precursors synthesized by urea method. Materials with the same molar…”
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The Catalysed Transformation of Vegetable Oils or Animal Fats to Biofuels and Bio-Lubricants: A Review by Martin Hájek, Aleš Vávra, Héctor de Paz Carmona, Jaroslav Kocík

“…This review paper summarizes the current state-of-the-art of the chemical transformation of oils/fats (i.e., triacylglycerols) to the use of biofuels or…”
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Baeyer-Villiger oxidation of myrtenal over hydrotalcites based catalysts: The role of structure type, metal content, preparation method and acid-base properties by Gorlova, Olga, Pálková, Sára, Kocík, Jaroslav, Tišler, Zdeněk, Paterová, Iva

“…Nopinone is a fine chemical used in many areas of the chemical industry. A relatively new method of its synthesis is Baeyer-Villiger oxidation of myrtenal to…”
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Iron-modified Cu/γ-alumina catalyst for the selective hydrogenolysis of glycerol by Skuhrovcová, Lenka, Kolena, Jiří, Frolich, Karel, Kocík, Jaroslav, Mück, Jáchym, Gholami, Zahra

“…This study introduces a novel Cu-based catalyst for the selective hydrogenolysis of glycerol to 1,2-propanediol, synthesized by impregnating mesoporous…”
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The role of ZnO in the catalytic behaviour of Zn-Al mixed oxides in aldol condensation of furfural with acetone by Dubnová, Lada, Smoláková, Lucie, Kikhtyanin, Oleg, Kocík, Jaroslav, Kubička, David, Zvolská, Magdalena, Pouzar, Miloslav, Čapek, Libor

“…[Display omitted] •High purity of Zn-Al hydrotalcites ensures high furfural conversion.•DRS predicts the structural properties of Zn-Al mixed oxides.•Furfural…”
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Pyroaurite‐based MgFe mixed oxides and their activity in aldol condensation of furfural with acetone: effect of oxide composition by Kocík, Jaroslav, Frolich, Karel, Perková, Ilona, Horáček, Jan

“…Background Pyroaurite‐based MgFe oxides with varying Mg:Fe ratio were studied. The structural and acido‐basic properties were examined by number of…”
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Effectiveness of Mo, NiMo, and CoMo catalysts for co-hydroprocessing furfural-acetone aldol condensation adducts with atmospheric gas oil to produce biofuels by de Paz Carmona, Héctor, Kocík, Jaroslav, Hidalgo Herrador, José Miguel, Vráblík, Aleš

“…•Co-processing is a suitable way to upgrade aldol condensation adducts into biofuels.•Commercial sulfide catalysts can totally deoxygenate up to 10 wt% of…”
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The utilization of bio-ethanol for production of 1-butanol catalysed by Mg–Al mixed metal oxides enhanced by Cu or Co by Frolich, Karel, Malina, Jan, Hájek, Martin, Mück, Jáchym, Kocík, Jaroslav

“…The Guerbet reaction is a possible way for transformation of ethanol to 1-butanol (important for many kinds of industries), which consists of four steps:…”
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Transition metals promoting Mg-Al mixed oxides for conversion of ethanol to butanol and other valuable products: Reaction pathways by Mück, Jáchym, Kocík, Jaroslav, Hájek, Martin, Tišler, Zdeněk, Frolich, Karel, Kašpárek, Aleš

“…This paper is focused on the catalytic synthesis of butanol from ethanol in a microflow reactor at a constant weight hour space velocity (4.5 h−1) and…”
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Transesterification of rapeseed oil by butanol and separation of butyl ester by Hájek, Martin, Skopal, František, Vávra, Aleš, Kocík, Jaroslav

“…The paper describes the reactions and separations conditions for the transesterification of rapeseed oil by butanol under potassium hydroxide as a catalyst…”
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Mg-Fe mixed oxides and their rehydrated mixed oxides as catalysts for transesterification by Hájek, Martin, Kocík, Jaroslav, Frolich, Karel, Vávra, Aleš

“…The Mg-Fe hydrotalcites with a constant molar ratio (Mg/Fe 2.5:1) were synthesized from two types of precursors (chlorides and nitrates of metals) and…”
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Effect of the different types of Sn-precursors on the properties of Sn FeMgAl-LDH samples by Tišler, Zdeněk, Peroutková, Kateřina, Gorlová, Olga, Strejcová, Kateřina, Kocík, Jaroslav, Šimek, Josef, Paterová, Iva

“…In this work, LDH SnFeMgAl were prepared by co-precipitation method at constant temperature and pH using different Sn precursors. Calcined and LDHs samples…”
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The long-term catalytic performance of mixed oxides in fixed-bed reactors in transesterification by Frolich, Karel, Vávra, Aleš, Kocík, Jaroslav, Hájek, Martin, Jílková, Alena

“…Mg–Al and Mg–Fe mixed oxides with a constant molar ratio (3:1) were tested in the transesterification of rapeseed oil with methanol in a fixed-bed reactor. The…”
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Statistical evaluation of the mutual relations of properties of Mg/Fe hydrotalcites and mixed oxides as transesterification catalysts by Hájek, Martin, Tomášová, Adéla, Kocík, Jaroslav, Podzemná, Veronika

“…The Mg-Fe mixed oxides with different Mg/Fe molar ratio (from 1:1 to 8:1) and temperature pre-treatment (0–900°C) were prepared from layered double hydroxides…”
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The influence of long-term exposure of Mg–Al mixed oxide at ambient conditions on its transition to hydrotalcite by Kocík, Jaroslav, Hájek, Martin, Tišler, Zdeněk, Strejcová, Kateřina, Velvarská, Romana, Bábelová, Monika

“…The paper is focused on the study of long-term aging of Mg–Al mixed oxides, which causes the rebuilding of the hydrotalcite layered structure in the presence…”
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The factors influencing stability of Ca–Al mixed oxides as a possible catalyst for biodiesel production by Kocik, Jaroslav, Hajek, Martin, Troppova, Ivana

“…The Ca-Al mixed oxides with a constant molar ratio of Ca/Al and different calcination conditions (temperature from 250 to 950 [degrees]C and flow - air or…”
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Aldol Condensation of Benzaldehyde and Heptanal Over Zinc Modified Mixed Mg/Al Oxides by Tišler, Zdeněk, Vrbková, Eva, Kocík, Jaroslav, Kadlec, David, Vyskočilová, Eliška, Červený, Libor

“…Several types of zinc modified Mg–Al layered double hydroxides were prepared. Zinc was incorporated into catalyst structure using different…”
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In-situ characterization of the thermal treatment of Zn-Al hydrotalcites with respect to the formation of Zn/Al mixed oxide active in aldol condensation of furfural by Smoláková, Lucie, Dubnová, Lada, Kocík, Jaroslav, Endres, Jan, Daniš, Stanislav, Priecel, Peter, Čapek, Libor

“…Manuscript firstly describes the transformation of Zn-Al hydrotalcites into the appropriate Zn-Al mixed oxides during their thermal treatment up to 1000 °C. In…”
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