Solid catalysts provide numerous opportunities for
recovering and recycling catalysts from reaction
environments. These features can lead to improved
processing steps, better process economics, and environmentally
friendly industrial manufacturing.
Thus, the motivating factors for creating recoverable
catalysts are large.

Design and Preparation of Organic−Inorganic Hybrid Catalysts

Novel low-κ polyimide/mesoporous silica composite films: Preparation, microstructure, and properties

Modified mesoporous silica filled with PEG as a shape-stabilized phase change materials for improved thermal energy storage performance

http://ntur.lib.ntu.edu.tw/bitstream/246246/166436/1/70.pdf

Template-free synthesis of mesoporous phenylsulfonic acid functionalized silica

The hierarchical MCM-41/ZSM-5 aluminosilicate synthesized via a double-template procedure using CTAB and TPAOH was applied as a support for Pt and Pd isomerization catalysts with metal loading of 0.5 wt.%. The formation of micro-ZSM-5, as well as meso-MCM-41 phases, was confirmed by XRD, TEM, SEM, and FT-IR. The element composition, textural properties and acidity both of MCM-41/ZSM-5 composite and noble metals supported catalysts were structurally characterized by TGA, N2 sorption, XRF, and NH3-TPD. Examining the catalytic evaluation of MCM-41/ZSM-5 supported Pt and Pd catalysts in hydroisomerization of C8 aromatic fraction in a fixed bed flow-type unit at 280−420 °C, LHSV of 1–6 h−1 and H2:feed of 1200–3600, showed that the Pt catalyst is more active compared to its industrial counterpart and provides high m-xylene and ethylbenzene conversions predominantly with p-xylene formation at 340 °C with LHSV of 1.0 h−1 (H2/feed = 2400) as well as for LHSV of 3.5 h−1 (H2/feed = 1200).

Micro-mesoporous MCM-41/ZSM-5 Supported Pt and Pd Catalysts for Hydroisomerization of C-8 Aromatic Fraction

Various organo-functionalized MCM-41 type pure-silicate and alumino-silicate mesoporous materials were synthesized using cetyltrimethylammonium bromide as the template. Mono- and bi-functional organo-MCM-41 materials such as SH-MCM-41, NH 2 -MCM-41, vinyl-MCM-41, SH-A1-MCM-41, SH-NH 2 -MCM-41 etc. were studied. X-ray diffractogram, chemical analysis, BET surface area measurement etc. of the samples reveal that ordered organo-MCM-41 type mesoporous materials were prepared. There is tremendous scope in these area as the organo-MCM-41 materials can be used as solid ligand for various metal ions or even metal complexes, including one with a chiral moiety. Such composite solid materials may exhibit interesting catalytic properties.

Organo-functionalized surface modified MCM-41 type mesoporous materials having various organic functional groups

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Organo-functionalized surface modified MCM-41 type mesoporous materials having various organic functional groups