ADSORPTION OF CO2ON MICRO AND MESOPOROUS MOLECULAR SIEVES

Templated Growth of Carbon Nanotubes on Nickel Loaded Mesoporous MCM-41 and MCM-48 Molecular Sieves

Chemical vapor deposition was employed to synthesize carbon nanotubes with Ni-loaded MCM-41 and MCM-48 as catalysts and acetylene as precursor at 750°C. Mesoporous Ni MCM-41 and Ni MCM-48 molecular sieves were synthesized by a hydrothermal method and were characterized by XRD and N2 adsorption isotherm. The catalytically synthesized carbon materials were characterized with Raman spectroscopy, N...

Carbon Molecular Sieves for Hydrocarbon Separations by Adsorption

Molecular simulations of the adsorption and diffusion of hydrocarbons in molecular sieves

In this short review it is demonstrated how molecular simulation can be used to obtain molecular insights in the behaviour of molecules inside the pores of zeolites. Whereas straightforward molecular dynamics can be used to study the behaviour of small molecules inside the pores, the study of the long chain hydrocarbons that are important in petrochemical applications require special computatio...

templated growth of carbon nanotubes on nickel loaded mesoporous mcm-41 and mcm-48 molecular sieves

chemical vapor deposition was employed to synthesize carbon nanotubes with ni-loaded mcm-41 and mcm-48 as catalysts and acetylene as precursor at 750°c. mesoporous ni mcm-41 and ni mcm-48 molecular sieves were synthesized by a hydrothermal method and were characterized by xrd and n2 adsorption isotherm. the catalytically synthesized carbon materials were characterized with raman spectroscopy, n...

Hoveyda–Grubbs type metathesis catalyst immobilized on mesoporous molecular sieves MCM-41 and SBA-15

A commercially available Hoveyda-Grubbs type catalyst (RC303 Zhannan Pharma) was immobilized on mesoporous molecular sieves MCM-41 and on SBA-15 by direct interaction with the sieve wall surface. The immobilized catalysts exhibited high activity and nearly 100% selectivity in several types of alkene metathesis reactions. Ru leaching was found to depend on the substrate and solvent used (the low...