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Effects of matrix a...
Effects of matrix alumina-silica ratio on the performance of heavy oil cracking catalysts containing zeolite Y in matrices of amorphous silica-alumina
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- Otterstedt, J-E (författare)
- Chalmers University of Technology
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- Zhu, Y-M (författare)
- Chalmers University of Technology
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Sterte, Johan (författare)
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(creator_code:org_t)
- 1991
- 1991
- Engelska.
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Ingår i: Applied Catalysis. - 0166-9834 .- 1873-3867. ; 70:1, s. 43-52
- Relaterad länk:
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https://urn.kb.se/re...
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visa fler...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- 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.
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