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Effects of matrix alumina-silica ratio on the performance of heavy oil cracking catalysts containing zeolite Y in matrices of amorphous silica-alumina
Chalmers University of Technology.
Chalmers University of Technology.
1991 (English)In: Applied Catalysis, ISSN 0166-9834, E-ISSN 1873-3867, Vol. 70, no 1, p. 43-52Article in journal (Refereed) Published
Abstract [en]

The effects, on the activity and selectivity for cracking heavy oils, of varying the alumina-silica ratio in amorphous aluminosilicate matrices for CREY, REUSY, USY, and LZ zeolites were studied using a microactivity test and two different feedstocks. With a heavy aromatic feedstock gasoline yields and octane numbers showed a pronounced maximum for matrix alumina-silica weight ratios in the range 90:10-70:30 and with CREY zeolite as the main active component. With a lighter aliphatic feedstock the gasoline yields and octane numbers were much less dependent on the alumina-silica weight ratio. The effects on pore structure and selectivity of hydrothermal treatment of conventional amorphous aluminosilicate catalysts and zeolite catalysts with amorphous silica-alumina matrices having alumina-silica weight ratios in the range 90:10-70:30 are discussed.

Place, publisher, year, edition, pages
1991. Vol. 70, no 1, p. 43-52
Identifiers
URN: urn:nbn:se:ltu:diva-10060DOI: 10.1016/S0166-9834(00)84153-6Local ID: 8d011f10-a9d6-11de-8293-000ea68e967bOAI: oai:DiVA.org:ltu-10060DiVA, id: diva2:983000
Note
Upprättat; 1991; 20090925 (ysko)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2017-11-24Bibliographically approved

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Sterte, Johan

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