Cover Feature: Modified Acid‐Base ZSM‐5 Derived from Core‐Shell ZSM‐5@ Aqueous Miscible Organic‐Layered Double Hydroxides for Catalytic Cracking of n ‐Pentane to Light Olefins (ChemCatChem 17/2020)
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چکیده
منابع مشابه
مقایسه فرآیندهای ZSM5، TiO2/ZSM5، UV/ ZSM5 و UV/TiO2/ZSM5 در حذف استایرن از جریان سنتتیک هوا
Background and purpose: Styrene, one of the most important compounds of VOCs, causes some health concern. In current study, the ability of ZSM5, TiO2/ZSM5, UV/ ZSM5, and UV/TiO2/ZSM5 methods was investigated in removing styrene from air synthetic current. Materials and methods: In order to synthesize the zeolite and TiO2-coated zeolite, the sol-gel and saturation methods were employed, respect...
متن کاملAqueous Catalytic Polymerization of Olefins
Aqueous catalytic polymerization may seem like a contradiction at first sight. The high water sensitivity of Ziegler or Phillips catalysts applied commercially for the production of polyolefins is well known. However, water offers a unique combination of properties as a medium for polymerization reactions: A high heat capacity, which enables an effective transfer of the heat of polymerization. ...
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Reaction pathways for the desulfurization of thiophene using alkanes as hydrogen sources were probed by measuring the chemical and isotopic composition of products formed from 13C-labeled C3H8 and unlabeled C4H4S mixtures on H-ZSM5 and Co/H-ZSM5. Aliphatic hydrocarbons formed only from propane carbon atoms while aromatic molecules contained carbon atoms from both propane and thiophene. Hydrogen...
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H-ZSM5, Zn/H-ZSM5, and Co/H-ZSM5 catalyze thiophene desulfurization with high H2S selectivity using propane as the exclusive hydrogen source. Desulfurization rates and selectivities were much higher than at the H2 concentrations present during propane reactions. Zn+2 and Co+2 cations at exchange sites increased desulfurization rates. On H-ZSM5, desulfurization rates and selectivities with propa...
متن کاملEvaluation of ion exchange-modified Y and ZSM5 zeolites in Cr(VI) biosorption and catalytic oxidation of ethyl acetate
B. Silva, H. Figueiredo, O.S.G.P. Soares, M.F.R. Pereira, J.L. Figueiredo, A.E. Lewandowska, M.A. Bañares, I.C. Neves, T. Tavares IBB – Institute for Biotechnology and Bioengineering, Centre of Biological Engineering, University of Minho, Campus de Gualtar, 4710-057 Braga, Portugal Laboratory of Catalysis and Materials (LCM), Associate Laboratory LSRE-LCM, Chemical Engineering Department, Facul...
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ژورنال
عنوان ژورنال: ChemCatChem
سال: 2020
ISSN: 1867-3880,1867-3899
DOI: 10.1002/cctc.202001209