12.04.2013 Views

Efeito da preparação nos sítios de cromo....pdf

Efeito da preparação nos sítios de cromo....pdf

Efeito da preparação nos sítios de cromo....pdf

SHOW MORE
SHOW LESS

You also want an ePaper? Increase the reach of your titles

YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.

__________________________________________________________________Referências Bibliográficas<br />

39 - Weckhuysen, B. M., Verberckmoes, A. A., De Baets, A. R. e Schoonheydt, R. A.,<br />

“Diffuse reflectance spectroscopy of supported chromium oxi<strong>de</strong> catalysts: a self-<br />

mo<strong>de</strong>ling mixture analysis”, J. Catal., 166, 160-171, 1997.<br />

40 - Gaspar, A. B., Schmal, M., Silveira, L. S., Forte, M. M. C. e Dieguez, L. C.,<br />

“Influência <strong>de</strong> parâmetros <strong>de</strong> <strong>preparação</strong> e pré-tratamento em catalisadores<br />

Cr/SiO2”, Anais do 9 0 Congr. Bras. Catal., vol. 1, 237-244, 1997.<br />

41 - Ellison, A., Overton, T. L. e Benzce, L., “Characterization of Cr-Silica<br />

polymerization catalysts”, J. Chem. Soc. Fara<strong>da</strong>y Trans., 89 (5), 843-849, 1993.<br />

42 - Ellison, A. e Overton, T. L., “Characterization of modified Cr-silica catalysts”, J.<br />

Mol. Catal., 90, 81-86, 1994.<br />

43 - Merryfield, R., McDaniel, M. e Parks, G., “A XPS study of the Phillips Cr/Silica<br />

polymerization catalyst”, J. Catal., 77, 348-359, 1982.<br />

44 - Hardcastle, F. D. e Wachs, I. E., “Raman spectroscopy of chromium oxi<strong>de</strong><br />

supported on Al2O3, TiO2 and SiO2: a comparative study”, J. Mol. Catal., 46,<br />

173-186, 1988.<br />

45 - Cimino, A., De Angelis, B. A., Luchetti, A. e Minelli, G., “The characterization of<br />

CrOx/SiO2 catalysts by photoelectron spectroscopy (XPS), X-ray and optical<br />

measurements”, J. Catal., 45, 316-325, 1976.<br />

46 - Best, S. A., Squires, R. G. e Walton, R. A., “The X-ray photoelectron spectra of<br />

heterogeneous catalysts II. The chromia-silica catalyst system”, J. Catal., 47,<br />

292-299, 1977.<br />

47 - Rahman, A., Mohamed, M. H., Ahmed, M. e Aitani, A. M., “Characterization of<br />

chromia alumina catalysts by X-ray photoelectron spectroscopy proton-induced<br />

X-ray emission and thermogravimetric analysis”, Appl. Catal. A, 121, 203-216,<br />

1995.<br />

48 - Gaspar, A. B., Perez, C. A. C. e Dieguez, L. C., “Metodologia <strong>de</strong> caracterização <strong>de</strong><br />

catalisadores Cr/SiO2 por XPS”, Anais do 9 0 Cong. Bras. Catal., vol. 2, 376,<br />

1997.<br />

49 - Parentis, M. L., Bonini, N. A. e Gonzo, E. E., "Preparación e Caracterización <strong>de</strong><br />

Cr/SiO2", Actas do XV Simposio Iberoamericano <strong>de</strong> Catalysis, vol. 3, 1789,<br />

1996.<br />

205

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!