@article{(Open Science Index):https://publications.waset.org/pdf/10001244,
	  title     = {Propylene Self-Metathesis to Ethylene and Butene over WOx/SiO2, Effect of Nano-Sized Extra Supports (SiO2 and TiO2)},
	  author    = {A.Guntida and  K. Suriye and  S. Kunjara Na Ayudhya and  J. Panpranot and  P. Praserthdam},
	  country	= {},
	  institution	= {},
	  abstract     = {Propylene self-metathesis to ethylene and butene was
studied over WOx/SiO2 catalysts at 450oC and atmospheric pressure.
The WOx/SiO2 catalysts were prepared by incipient wetness
impregnation of ammonium metatungstate aqueous solution. It was
found that, adding nano-sized extra supports (SiO2 and TiO2) by
physical mixing with the WOx/SiO2 enhanced propylene conversion.
The UV-Vis and FT-Raman results revealed that WOx could migrate
from the original silica support to the extra support, leading to a
better dispersion of WOx. The ICP-OES results also indicate that
WOx existed on the extra support. Coke formation was investigated
on the catalysts after 10 h time-on-stream by TPO. However, adding
nano-sized extra supports led to higher coke formation which may be
related to acidity as characterized by NH3-TPD.
},
	    journal   = {International Journal of Chemical and Molecular Engineering},
	  volume    = {9},
	  number    = {5},
	  year      = {2015},
	  pages     = {487 - 490},
	  ee        = {https://publications.waset.org/pdf/10001244},
	  url   	= {https://publications.waset.org/vol/101},
	  bibsource = {https://publications.waset.org/},
	  issn  	= {eISSN: 1307-6892},
	  publisher = {World Academy of Science, Engineering and Technology},
	  index 	= {Open Science Index 101, 2015},
	}