THE EFFECT OF COPPER, IRON, AND CHROMIUM COMPOUNDS ON THERMAL-STABILITY OF ALUMINA SUPPORT

Authors
KIRICHENKO OA USHAKOV VA MOROZ EM VOROBEVA MP
Citation
Oa. Kirichenko et al., THE EFFECT OF COPPER, IRON, AND CHROMIUM COMPOUNDS ON THERMAL-STABILITY OF ALUMINA SUPPORT, Kinetics and catalysis, 34(4), 1993, pp. 663-665
Citations number
10
Categorie Soggetti
Chemistry Physical
Journal title
Kinetics and catalysis → ACNP
ISSN journal
00231584
Volume
34
Issue
4
Year of publication
1993
Pages
663 - 665
Database
ISI
SICI code
0023-1584(1993)34:4<663:TEOCIA>2.0.ZU;2-8
Abstract
The interaction of the Cu2+, Fe3+, Cr3+, and Cr6+ compounds with chi-A l2O3 at 973 - 1273 K was investigated by the X-ray diffraction analysi s method. The addition effect on polymorphous transformations of the a lumina support was shown to be connected with the formation of solid s olutions based on the chi-Al2O3 structure, and to be determined by the ir thermal stability. The solid solutions, simultaneously containing C r3+ and Zn2+, exhibited the maximum stability, whereas the Fe3+-contai ning solid solutions demonstrated the minimum stability.