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Catalytic cracking of heavy oil: use of alumina-montmorillonites both as catalysts and as matrices for rare earth exchanged zeolite Y molecular sieve
Chalmers University of Technology.
1988 (English)In: Applied Catalysis, ISSN 0166-9834, E-ISSN 1873-3867, Vol. 38, no 1, p. 131-142Article in journal (Refereed) Published
Abstract [en]

Three types of alumina-montmorillonite complexes were evaluated as cracking catalysts, alone and in admixture with rare earth exchanged zeolite Y (REY), using the micro activity test and three different feed oils. Prior to the test, all catalysts were steam treated at 750°C for 18 h. For cracking of heavy oils, the alumina-montmorillonites showed conversions similar to that of a reference catalyst containing 20% REY in a kaolin-binder matrix. The alumina-montmorillonites showed higher coke and lower gas yield when compared with the reference catalyst while the gasoline yields were essentially the same over the two types of catalysts. The selectivity for light cycle oil was considerably greater for the alumina-montmorillonites. When used as matrices for REY, the alumina-montmorillonites resulted in considerably more active catalysts at the same zeolite content compared with a catalyst having a kaolin-binder matrix, while the selectivity properties differed very little between the two types of catalysts.

Place, publisher, year, edition, pages
1988. Vol. 38, no 1, p. 131-142
Identifiers
URN: urn:nbn:se:ltu:diva-15121Local ID: e97207f0-a9db-11de-8293-000ea68e967bOAI: oai:DiVA.org:ltu-15121DiVA, id: diva2:988094
Note
Upprättat; 1988; 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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