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Co-SSZ-51 as a catalyst for styrene epoxidation using molecular oxygen

Paper ID Volume ID Publish Year Pages File Format Full-Text
51014 46825 2010 5 PDF Available
Title
Co-SSZ-51 as a catalyst for styrene epoxidation using molecular oxygen
Abstract

Cobalt substituted SSZ-51 molecular sieve (Co/P molar ratio = 0/0.01/0.05/0.1) samples are synthesized by isomorphic substitution as well as wet impregnation with cobalt salt. The prepared samples are characterized for of their textural and structural properties. The catalytic potential of these samples is investigated for styrene epoxidation in the presence of molecular oxygen at 60 psi. The obtained results showed styrene conversion up to ∼50% with 70–80% selectivity for styrene epoxide till three reaction cycles using Co-substituted SSZ-51 framework. On the other hand cobalt impregnated SSZ-51 samples showed poor selectivity for epoxide (up to 40% only). The obtained results are discussed in terms of cobalt oxidation state present in SSZ-51 framework.

Keywords
SSZ-51; Isomorphic substitution; Styrene; Epoxidation; Molecular oxygen
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Co-SSZ-51 as a catalyst for styrene epoxidation using molecular oxygen
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 11, Issue 7, 10 March 2010, Pages 638–642
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
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