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Title: Crystalline mesoporous zirconia catalysts having stable tetragonal pore wall structure

Methods are disclosed for the preparation of new sulfated mesoporous zirconia materials/catalysts with crystalline pore walls of predominantly tetragonal crystal structure, characterized by nitrogen physical sorption measurement, X-ray diffraction, transmission electron microscopy and catalytic tests using n-butane isomerization to iso-butane and alkylation of 1-naphthol with 4-tert-butylstyrene as probe reactions. Sulfate deposition is preferred for the transformation of a mesoporous precursor with amorphous pore walls into a material with crystalline pore walls maintaining the mesoporous characteristics. 17 figs.
Authors:
;
Publication Date:
OSTI Identifier:
672485
Report Number(s):
US 5,786,294/A/
PAN: US patent application 8-644,359
DOE Contract Number:
FG02-87ER13654
Resource Type:
Patent
Resource Relation:
Other Information: PBD: 28 Jul 1998
Research Org:
Northwestern University
Sponsoring Org:
USDOE, Washington, DC (United States)
Country of Publication:
United States
Language:
English
Subject:
40 CHEMISTRY; 02 PETROLEUM; ZIRCONIUM OXIDES; CATALYSTS; CHEMICAL PREPARATION; PORE STRUCTURE; BUTANE; ISOMERIZATION; NAPHTHOLS; ALKYLATION; CATALYTIC EFFECTS