Browsing by Subject "Methane"
Now showing items 1-11 of 11
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Article
Degradable polymer networks and star polymers based on mixtures of two cleavable dimethacrylate crosslinkers: Synthesis, characterization, and degradation
(2009)Mixtures of two cleavable dimethacrylate crosslinkers, the hydrolyzable di(methacryloyloxy-1-ethoxy)methane (DMOEM) and the thermolyzable 1,1-ethylenediol dimethacrylate (EDDMA), were used for the preparation of neat ...
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Doctoral Thesis Open Access
Development of new catalysts for the utilization of natural gas towards synthesis gas and liquid fuels production : the contribution of transient isotopic techniques
(Πανεπιστήμιο Κύπρου, Σχολή Θετικών και Εφαρμοσμένων Επιστημών / University of Cyprus, Faculty of Pure and Applied Sciences, 2018-01-10)Η παρούσα Διδακτορική Διατριβή (περιέχονται χημικοί τύποι) διαπραγματεύεται την ανάπτυξη, χαρακτηρισμό και μελέτη καινοτόμων καταλυτικών συστημάτων που αφορούν δύο σημαντικές διεργασίες για αξιοποίηση του φυσικού αερίου ...
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Article
Dry reforming of methane over 5 wt% Ni/Ce1-xPrxO2-δ catalysts: Performance and characterisation of active and inactive carbon by transient isotopic techniques
(2016)The effects of Ce1-xPrxO2-δ support composition (x = 0.0–0.8) and reaction temperature (550–750 °C) on the catalytic activity and selectivity and important features of the mechanism of the dry reforming of methane (DRM) ...
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Article
Effect of support composition on the origin and reactivity of carbon formed during dry reforming of methane over 5 wt% Ni/Ce1-xMxO2-δ (M = Zr4+, Pr3+) catalysts
(2016)Carbon dioxide reforming of methane to synthesis gas in the 550-750°C range over 5 wt% Ni/Ce1-xMxO2-δ (M = Zr4+, Pr3+) solids has been investigated with respect to the effects of support chemical composition and reaction ...
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Article
Kinetics of methane oxidative coupling on zinc-doped titanium oxide
(1992)A kinetic study of methane conversion to C2-hydrocarbons was conducted by cofeeding methane and oxygen at 1 bar total pressure over a series of zinc-doped TiO2 catalysts. The zinc dopant concentration was varied between 1 ...
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Article
Origin and reactivity of active and inactive carbon formed during DRM over Ni/Ce0.38Zr0.62O2-δ studied by transient isotopic techniques
(2016)The role of Ce0.38Zr0.62O2-δ redox support and that of reactants CH4 and CO2 in the carbon-path of dry reforming of methane (DRM) at 750°C over a 3wt% Ni/Ce0.38Zr0.62O2-δ catalyst were investigated. In particular, meticulously ...
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Article
The Reaction of DABCO with 4-Chloro-5H-1,2,3-dithiazoles: Synthesis and Chemistry of 4-[N-(2-Chloroethyl)piperazin-1-yl]-5H-1,2,3-dithiazoles
(2016)N-(4-Chloro-5H-1,2,3-dithiazol-5-ylidene)anilines react with DABCO in hot PhCl to give N-{4-[N-(2-chloroethyl)piperazin-1-yl]-5H-1,2,3-dithiazol-5-ylidene}anilines in high yields (70-92%). The reaction also works with ...
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Article
Reforming of methane with carbon dioxide to synthesis gas over supported Rh catalysts
(1994)Reforming of methane with carbon dioxide to synthesis gas (CO/H2) has been investigated over rhodium supported on SiO2, TiO2, γ-Al2O3, MgO, CeO2, and YSZ (ZrO2 (8 mol% Y2O3)) catalysts in the temperature range of 650-750°C ...
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Article
Selective catalytic reduction of nitric oxide by methane in the presence of oxygen over CaO catalyst
(1999)The selective catalytic reduction of nitric oxide by methane in the presence of oxygen was studied over CaO catalyst in the temperature range 550-850°C. The nitric oxide conversion-versus-temperature profile was found to ...
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Article
The selective oxidation of methane to C2-hydrocarbons over lithium-doped TiO2 catalysts
(1994)The oxidative coupling of methane (OCM) to C2-hydrocarbons was studied on a series of lithiumdoped titania catalysts by cofeeding methane (PCH4 = 0.5 bar) and oxygen (Po2 = 0.07-0.16 bar) at 1 bar total pressure in the ...
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Doctoral Thesis Open Access
Καταλυτική αναγωγή ΝΟ σε ισχυρά οξειδωτικές συνθήκες με χρήση CH4 και H2 σε στερεά La2O3-CaO και Pd/Υπόστρωμα
(Πανεπιστήμιο Κύπρου, Σχολή Θετικών και Εφαρμοσμένων Επιστημών / University of Cyprus, Faculty of Pure and Applied Sciences, 2006-06)Η μείωση των εκπομπών οξειδίων αζώτου ΝΟx στην ατμόσφαιρα σε συνθήκες πλούσιες σε οξυγόνο (lean de-NOx) με τη χρήση νέων φιλικών προς στο περιβάλλον καταλυτικών τεχνολογιών είναι ένα από τα κυριότερα περιβαλλοντικά θέματα ...