Selective Cracking of Durene to Para-Dimethyl Benzene over ZSM-5 Zeolite

Peng, Mei Mei; Abidov, Aziz; Palanichamy, M.; Lee, Seung Gil

doi:10.14257/ijca.2013.6.5.17

Cited by 5 publications

(2 citation statements)

References 27 publications

(28 reference statements)

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“…The detailed experimental condition was depicted in our previous published paper [14]. The silica modified ZSM-5, HY and H zeolites were prepared by wet impregnation method using tetraethyl ortho silicate as silica source with different weigh percentage.…”

Section: Characterization Techniquesmentioning

confidence: 99%

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Cracking of Durene over HY and H Zeolites

Vinodh

Babu

Abidov

et al. 2016

Advanced Science and Technology Letters

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Abstract. Catalytic cracking of durene over HY and Hβ zeolites, and their silica modified forms such as 30% SiO 2 /HY, 30% SiO 2 /Hβ, and 10% SiO 2 /ZSM-5 was examined at 450 C. Both HY and Hβ zeolites showed higher than 90% conversion, but 10% SiO 2 /ZSM-5 around 30% conversions. Both the 30% SiO 2 /HY and 30% SiO 2 /Hβ displayed slightly lower conversion than the respective parent zeolites, but higher selectivity to p-xylene. This study establishes that for durene cracking large pore zeolites are better than medium pore zeolites. Time on stream study showed decrease of conversion with the increase in time due to coke formation, insisting frequent activation of catalyst. This study depicts that other large pore zeolites could also be good to crack durene to p-xylene.

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Section: Characterization Techniquesmentioning

confidence: 99%

“…Our initial attempt on catalytic conversion of durene into p-xylene was published [14]. ZSM-5 was used as the catalyst, but since the pore diameter of it was not adequate compared to the kinetic diameter of durene, the conversion of durene was lower than 30%.…”

Section: Introductionmentioning

confidence: 99%