FIELD: chemical industry. SUBSTANCE: catalyst carrier comprises highly porous layer based on non-porous and low-porous substrate. Method comprises application of substance onto non-porous substrate followed by drying and oxidative treatment. Substance to be applied includes powder-like components which together with non-porous substrate are placed into mold which is permeable for addition and withdrawal of gaseous components. Composite coating has general formula: AlxAaBbCcDdFfOy wherein A, B, C, D and F are 3, 4, 5 and 6. Group elements and rare-earth 4f elements of Periodic Table. Catalyst carriers are effective in service. EFFECT: more efficient preparation method. 34 cl, 113 ex, 1 tbl
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Authors
Dates
1999-06-27—Published
1998-07-20—Filed