Rodica Zavoianu

Universitatea din Bucuresti, facultatea de Chimie, Bucuresti, .

E-mail: trimite un mesaj.

Pagina web a instituţiei: http://www.chimie.unibuc.ro
Pagina web personala: http://www.unibuc.ro/prof/zavoianu_r/

Urmareste linkul ResearcherID pentru toate articolele cercetatorului: B-6327-2011. Tabelul detaliat al articolelor este in josul paginii.

Nascut(a) in: 1962

Interese: stiinta materialelor, cataliza, zeoliti, hidrotalciti

Detalii:
cercetari privind activitatea si selectivitatea zeolitilor modificati in aromatizarea alcanilor si alchenelor, studii ale compusilor hidrotalcit modificat si activitatea lor catalitica in sinteze organice si in indepartarea sulfului din produse petroliere, activitatea catalitica a oxizilor micsti ai molibdenului in dehidrogenare oxidativa si metateza

Details:
researches concerning the activity and selectivity of modified zeolites in alkanes and alkene aromatization, studies of modified hydrotalcite compounds and their activity as catalysts in organic syntheses as well as sulphur removal from petroleum cuts, catalytic activity of molybdenum mixed oxides in oxidative dehydrogenation and metathesis,

Publicații selectate:

* E. Angelescu, M. Che, M. Andruh, R. Zãvoianu, G. Costentin, C. Miricã, O.D. Pavel, Ethylene selective dimerization on polymer complex catalyst of Ni(4,4'-bipyridine)Cl2 coactivated with AlCl(C2H5)2, Journal of Molecular Catalysis A: Chemical, 219, 2004.

* E. Angelescu, R. Ionescu, O.D. Pavel, R. Zãvoianu, R. Bîrjega, C.R. Luculescu, M. Florea, R. Olar, Epoxidation of cyclohexene with O2 and isobutyraldehyde catalysed by cobalt modified hydrotalcites, Journal of Molecular Catalysis A: Chemical, 315, 2010.

* E. Angelescu, O.D. Pavel, R. Bîrjega, M. Florea, R. Zãvoianu, The impact of the "memory effect" on the catalytic activity of Mg/Al; Mg,Zn/Al; Mg/Al,Ga hydrotalcite-like compounds used as catalysts for cycloxene epoxidation, Applied catalysis A:General, 341, 2008.

* R. Zãvoianu, C.R. Dias, A.P.V. Soares, M.F. Portela, Oxidative dehydrogenation of i-butane over nanostructured silica-supported NiMoO4 catalysts with low content of active phase, Applied catalysis A:General, 298, 2006.

* E. Angelescu, O.D. Pavel, R. Bîrjega, R. Zãvoianu, G. Costentin, M. Che, Solid base catalysts obtained from hydrotalcite precursors, for Knoevenagel synthesis of cinamic acid and coumarin derivatives, Applied catalysis A:General, 308, 2006.

* R. Zãvoianu, R. Bîrjega, O.D. Pavel, A. Cruceanu, M. Alifanti, Hydrotalcite like compounds with low Mo-loading active catalysts for selective oxidation of cyclohexene with hydrogen peroxide, Applied catalysis A:General, 286, 2005.

* R. Zãvoianu, C.R. Dias, M.F. Portela, Stabilisation of β-NiMoO4 in TiO2-supported catalysts, Catalysis Communications, 2, 2001.

* C.R. Dias, R. Zãvoianu, M.F. Portela, oxydehydrogenation on SiO2-supported nickel molybdate catalysts: Effect of the active phase loading, Catalysis Communications, 3, 2002.

* R. Zãvoianu, C. Nenu, E. Angelescu, Ni(2,2'-bipyridine)(2)Cl2 encapsulated in Y zeolite new catalyst for ethylene dimerization, Catalysis Communications, 6, 2005.

* R. Zãvoianu, A.P.V.S. Dias, O.D. Pavel, E. Angelescu, M.F. Portela, 1-Octene metathesis on silica supported Zr-doped NiMoO4 catalysts, Catalysis Communications, 6, 2005.

* O.D. Pavel, R. Zãvoianu, R. Bîrjega, E. Angelescu, The effect of ageing step elimination on the memory effect presented by Mg0.75Al0.25 hydrotalcites (HT) and their catalytic activity for cyanoethylation reaction, Catalysis Communications, 12, 2011.

* Luminita Mara, Stefan-Ovidiu Dima, Andrei Sarbu, Liliana Sarbu, Rodica Zãvoianu, Dragos Taloi, Fanica Bacalum,, Obtaining of Clinoptilolitic Extrudates for Environmental Applications II. Statistical analysis of plasticizer and shear stress effects, REV. CHIM. (Bucharest), 62, 2011.