Bifunctional Pt-Molecular Sieve Catalysts for Hydroisomerization of Long-Chain Olefins

Fei Ding; Cai Rong Luo; Hai Rong Zhang; Lian Xiong; Xin De Chen

doi:10.4028/www.scientific.net/AMR.418-420.2250

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 418-420Bifunctional Pt-Molecular Sieve Catalysts for...

Bifunctional Pt-Molecular Sieve Catalysts for Hydroisomerization of Long-Chain Olefins

Abstract:

Bifunctional Pt/HZSM-5, Pt/HBeta, Pt/HMCM-41 and Pt/HSAPO-11 catalysts were prepared using pseudoboehmite as a binder. The H₂-TPR profiles, scanning electron microscope (SEM) and brunauer-emmett-teller (BET) pointed out that reducibility of catalysts and textural properties. These bifunctional catalysts have been tested in long-chain olefins hydroisomerization. The experiments were carried out at 320 ^o C under 2.0 MPa of hydrogen and at 3.0 h^-1 WHSV. Complete hydrogenation of long-chain olefins was observed over Pt/HMCM-41 and Pt/HSAPO-11. Hydroisomerization reactions also occured in the case of Pt supported strong acidic molecular sieves (HZSM-5 and HBeta). The result suggests product distribution of long-chain olefins hydroisomerization is dependent on the balance between the acid and metallic functions in catalysts.

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Periodical:

Advanced Materials Research (Volumes 418-420)

Pages:

2250-2254

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.418-420.2250

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Online since:

December 2011

Authors:

Fei Ding, Cai Rong Luo, Hai Rong Zhang, Lian Xiong, Xin De Chen

Keywords:

Bifunctional Catalysts, Hydrogenation, Hydroisomerization, Long-Chain Olefins, Molecular Sieve, Pseudoboehmite

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