članak: 1 od 1  
Science of Sintering
2011, vol. 43, br. 1, str. 55-62
jezik rada: engleski
neklasifikovan
doi:10.2298/SOS1101055M

Kinetics of the Bray-Liebhafsky oscillatory reaction perturbed by polymer supported cobalt catalyst
(naslov ne postoji na srpskom)
aUniverzitet u Beogradu, Fakultet za fizičku hemiju
bInstitut za hemiju, tehnologiju i metalurgiju - IHTM, Beograd
cUniverzitet u Beogradu, Farmaceutski fakultet

e-adresa: boban@ffh.bg.ac.rs

Projekat Ministarstva nauke Republike Srbije, br. 172015 i br. 45001

Sažetak

Oscilatorna reakcija Bray-Liebhafsky (BL) realizovana u zatvorenom reaktoru na temperaturi 62-68 oC je perturbovana sa kobalt(II)nitratom ugrađenim na makroretikularnom kopolimeru poli-4-vinilpiridina sa divinilbenzenom (Co- PVPDVB). Analizirani su kinetički podaci kompleksnih reakcionih puteva razlaganja vodonikperoksida u ispitivanoj BL reakciji. Dobijeni rezultati potvrđuju da je u prisustvu Co-PVPDVB kinetika BL reakcije delimično određena Co-katalizatorom, a delimično makromolekularnim kopolimernim nosačem katalizatora.

Ključne reči

Co-katalizator; kopolimer poli-4-vinilpiridina sa divinil-benzenom; hemijska kinetika; Bray-Liebhafsky reakcija; energija aktivacije

Reference

Anić, S., Kolar-Anić, L., Čupić, Ž., Pejić, N., Vukojević, V. (2001) Oscilatorna hemijska reakcija kao modelni sistem za karakterizaciju katalizatora. Svet polimera, vol. 4, br. 2, str. 55-66
Anić, S.R., Kolar-Anić, L. (1986) Some new details the kinetic considerations of the oscillatory decomposition of hydrogen peroxide. Ber. Bunsenges. Phys. Chem, vol. 90, 539
Anić, S.R., Kolar-Anić, L.Z. (1988) Kinetic aspects of the Bray-Liebhafsky oscillatory reaction. Journal of the Chemical Society, Faraday Transactions 1: Physical Chemistry in Condensed Phases, 84(10), 3413-21
Anić, S.R., Kolar-Anić, L. (1996) Bray-Liebhafsky reaction, VI: Kinetics in iodide oscillations. J. Serb. Chem. Soc, vol. 61, 887
Anić, S.R. (1997) Relation between the number of oscillations and the activation energy of an oscillatory process. Journal of the Serbian Chemical Society, 62(1): 65-69
Anić, S.R., Kolar-Anić, L., Koros, E. (1997) Methods to determine activation energies for the two kinetic states of the oscillatory Bray-Liebhafsky reaction. Reaction Kinetics and Catalysis Letters, 61(1), 111-116
Anić, S.R., Maksimović, J., Lončarević, D., Pejić, N.D., Čupić, Ž.D. (2009) Activity of polymer supported cobalt catalyst in the Bray-Liebhafsky oscillator
Bray, W.C., Liebhafsky, H.A. (1931) Reactions involving hydrogen peroxide, iodine and iodate ion I: Introduction. J Am Chem Soc, vol. 53, str. 38-44
Bray, W.C. (1921) Periodic reaction in homogeneous solution and its relation to catalysis. Journal of the American Chemical Society, 43, 1262-7
Cervellati, R., Furrow, S.D., Greco, E., Höner, K., Livia, V.M. (2010) Perturbations of an acetone-based Briggs-Rauscher systems by α-tocopherol (vitamin E). Helvetica Chimica Acta, 93(5): 837-846
Cervellati, R., Greco, E., Furrow, S.D. (in press) Experimental and mechanistic investigation of an iodomalonic acid-based Briggs-Rauscher oscillator and its perturbations by resorcinol. J. Phys. Chem
Čupić, Ž., Anić, S., Terlecki-Baričević, A., Kolar-Anić, Lj. (1995) The Bray-Liebhafsky reaction. Influence of some polymers based on poly (4-vinylpyridine). Reaction Kinetics & Catalysis Letters, 54(1): 43-49
Huang, G., Liu, S., Guo, Y., Wang, A., Luo, J., Cai, C. (2009) Immobilization of manganese tetraphenylporphyrin on boehmite and its catalysis for aerobic oxidation of cyclohexane. Applied Catalysis A: General, 358(2): 173-179
Jiminez-Prieto, R., Silva, M., Perez-Bendito, D. (1998) Approaching the use of oscillatating reaction for analytical monitoring (Critical Review). Analyst, 123(2): 1-8
Kolar-Anić, Lj., Anić, S., Čupić, Ž. (2005) Characterization of the catalysts by means of an oscillatory reaction. u: Spasić A., Hsu Jyh-Ping (ur.) Finely Dispersed Particles: Micro-, Nano-, and Atto- Engineering, New York: CRC, pp. 191-216
Kragović, M., Anić, S. (2008) Bray-Liebhafsky oscillatory reaction generated in batch reactor: Influence of pulse involving iodide at the end of preoscillatory period. u: Antić-Jovanović A. (ur.) Physical chemistry, Belgrade: SPCS, 238-240
Lončarević, D., Čupić, Ž. (2005) Characterization and Catalytic Activity of Poly(4-Vinylpyridine-Co-Divinylbenzene)-Co2+ Complex. Materials Science Forum, 494: 363-368
Lončarević, D., Krstić, J., Dostanić, J., Manojlović, D., Čupić, Ž., Jovanović, D.M. (2010) Cyclohexane oxidation and cyclohexyl hydroperoxide decomposition by poly(4-vinylpyridine-co-divinylbenzene) supported cobalt and chromium complexes
Mahne, M., Mögel, H.J. (2003) Fractal analysis of physical adsorption on material surfaces. Colloids and Surfaces A Physicochemical and Engineering Aspects, 216(1-3): 215
Milošević, M., Pejić, N., Čupić, Ž., Anić, S., Kolar-Anić, Lj. (2005) Materials Sciences Forum, 494, 369
Pejić, N., Čupić, Ž., Anić, S., Vukojević, V., Kolar-Anić, L. (2001) The oscillatory Bray-Liebhafsky reaction as a matrix for analyzing enzyme and polymeric catalysts for hydrogen peroxide. Science of Sintering, vol. 33, br. 2, str. 107-115
Rouquerol, F., Rouquerol, J., Sing, K. (1999) Adsorption by powders and porous solids. New York-San Diego: Academic Press
Rozic, L.S., Petrovic, S.P., Novakovic, T.B., Cupic, Z.D., Grbavcic, Z.B., Jovanovic, D.M. (2006) Textural and fractal properties of CuO/Al2O3 catalyst supports. Chemical Engineering Journal, 120(1-2): 55-61
Rožić, L., Novaković, T., Petrović, S., Vuković, Z., Čupić, Ž. (2008) Fractal analysis of physical adsorption on surfaces of acid activated bentonites from Serbia. Chemical Industry and Chemical Engineering Quarterly / CICEQ, vol. 14, br. 4, str. 227-229
Strizhak, P.E. (2002) Determinovani haos v khimii. Kiev: Akademperiodika
Terlecki-Baričević, A., Čupić, Ž., Anić, S., Kolar-Anić, L., Mitrovski, S., Ivanović, S. (1995) Polyvinylpyridine supported iron(III) catalysts for hydrogen peroxide decomposition. Journal of the Serbian Chemical Society, vol. 60, str. 969-979