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@article{Reaktor1001, author = {Kusmiyati Kusmiyati and Nor Aishah Saidina Amin and W.A. Siswanto}, title = {HIGHLY ACTIVE W-H2SO4/HZSM-5 CATALYST FOR DIRECT CONVERSION OF METHANE INTO AROMATIC}, journal = {Reaktor}, volume = {11}, number = {2}, year = {2007}, keywords = {}, abstract = {Dehydroaromatization of methane (DHAM) under non oxidative condition was studied over tungsten loaded HZSM-5 catalysts to produce aromatic hydrocarbons. The catalysts were prepared by impregnation method using different conditions: in neutral and acidified solution. The activity of W/HZSM-5 prepared by neutral solution and W-H2SO4/HZSM-5 prepared in acidified condition were compared. The results showed that the optimum activity of W-H2SO4/HZSM-5 catalyst exceeded that of W/HZSM-5 catalyst. The effect of Si/Al ratio of W- H2SO4/HZSM-5 catalyst was also studied. The W- H2SO4/HZSM-5 catalyst with Si/Al ratio = 30 was found to be the most promising for the DHAM reaction. The remarkable activity of the catalyst is attributed to the presence of dual effects: suitable content of octahedral polymeric and tetrahedral monomeric tungstate species accompanied by proper amount and strength of acid sites in the catalyst.}, issn = {2407-5973}, pages = {61--65} doi = {10.14710/reaktor.11.2.61-65}, url = {https://ejournal.undip.ac.id/index.php/reaktor/article/view/1001} }
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JURNAL REAKTOR (p-ISSN: 0852-0798; e-ISSN: 2407-5973)
Published by Departement of Chemical Engineering, Diponegoro University
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