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Acidic and catalytic properties of hierarchical zeolites and hybrid ordered mesoporous materials assembled from MFI protozeolitic units
Abstract Two types of MFI zeolitic materials with improved accessibility, hierarchical zeolites and hybrid ordered mesoporous materials are here compared in terms of textural, acidic and catalyticExpand
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Catalytic cracking of HDPE over hybrid zeolitic-mesoporous materials
Abstract The potential application of hybrid ZSM-5/MCM-41 materials for the catalytic degradation of high-density polyethylene (HDPE) has been investigated and compared with the behavior of standardExpand
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Hydrodeoxygenation and hydrodesulfurization co-processing over ReS2 supported catalysts
Abstract The hydrodeoxygenation (HDO) of bio-oil can be undertaken together with the hydrodesulphurization (HDS) of gas–oil in order to use already existing refinery infrastructures and to directlyExpand
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Catalytic wet air oxidation of aqueous ammonia with activated carbon
Abstract The oxidation of aqueous ammonia to nitrogen by the catalytic wet air oxidation (CWAO) process with activated carbon as catalyst was studied. A commercial activated carbon CUDU1000Expand
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Cr(III) exchange on zeolites obtained from kaolin and natural mordenite
Abstract Zeolites with high Cr(III) exchange capacity were synthesized from kaolin and natural mordenite. The intermediate phases and final products were characterized by X-ray diffraction, FTIRExpand
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UV-absorbing compounds in three species of Caribbean zooxanthellate corals : Depth distribution and spectral response
We examined the ultraviolet (UV) absorption spectra (280-400 nm) of coral tissue extracts and the concentration and composition of mycosporine-like amino acids (MAA) in three common CaribbeanExpand
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Friedel–Crafts acylation of anisole over hybrid zeolitic-mesostructured materials
Abstract The application of hybrid zeolitic-mesostructured materials (HZM) as catalysts in Friedel–Crafts acylation has been investigated and compared with the behaviour of standard orderedExpand
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Retention of aurocyanide and thiourea-gold complexes on activated carbons obtained from lignocellulosic materials
Abstract The rate and equilibrium retention of potassium dicyano aurate(I), K[Au(CN) 2 ] and bisthiourea-gold(I) chloride, [Au(CS(NH 2 ) 2 ) 2 ]Cl, in aqueous media on two series of lignocellulosicExpand
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Structural changes during the natural aging process of InN quantum dots
The natural aging process of InN nanostructures by the formation of indium oxides is examined by transmission electron microscopy related techniques. Uncapped and GaN-capped InN quantum dots (QDs) onExpand
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Threading dislocation propagation in AlGaN/GaN based HEMT structures grown on Si (111) by plasma assisted molecular beam epitaxy
Abstract A transmission electron microscopy (TEM) study was carried out on a series of AlGaN/GaN high-electron mobility transistor (HEMT) structures grown by plasma assisted molecular beam epitaxyExpand
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