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Catalytic cracking of n-hexadecane on mixed Al-MCM-41/MFI catalyst systems with regard to selectivity for C-3 and C-3 products

DSpace at IIT Bombay

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Title Catalytic cracking of n-hexadecane on mixed Al-MCM-41/MFI catalyst systems with regard to selectivity for C-3 and C-3 products
 
Creator BHAVE, AN
KLEMT, A
PATWARDHAN, SR
RESCHETILOWSKI, W
 
Description Recently, the large pore MCM-41 material has gained a considerable amount of interest, as a solution to the diffusion limitation provided by the conventional microporous cracking catalysts for the cracking of long-chain or bulky hydrocarbon feeds. The present work deals with the synthesis and characterization of novel mixed Al-MCM-41/MFI catalyst systems. Furthermore, the catalytic behavior of the as-synthesized Al-MCM-41/MFI mixed systems for cracking hydrocarbons by MAT (Micro Activity Test), standardized by ASTM D-3907, have been investigated in the present work. In situ formation of the meso- and microporous structures Al-MCM-41 and ZSM-5 have been obtained using a two-template [C16H33(CH3)(3)NBr and (CH3CH2CH2)(4)NBr] synthesis gel system. The mixed phases were obtained by optimizing template ratios and reaction temperature. The comparison with conventional zeolite Y and pure MCM-41 with regard to activity and selectivity showed a better activity and selectivity towards C-3 and C-4 fractions. The obtained results reveal a potential of mixed Al-MCM-41/ZSM-5 catalyst systems as cracking catalysts and, in turn, demand further optimization of physicochemical properties in the future in order to be exploited as commercial cracking catalysts.
 
Publisher INTERPERIODICA
 
Date 2011-08-03T12:25:38Z
2011-12-26T12:54:12Z
2011-12-27T05:41:45Z
2011-08-03T12:25:38Z
2011-12-26T12:54:12Z
2011-12-27T05:41:45Z
2001
 
Type Article
 
Identifier PETROLEUM CHEMISTRY, 41(6), 401-404
0965-5441
http://dspace.library.iitb.ac.in/xmlui/handle/10054/9025
http://hdl.handle.net/10054/9025
 
Language en