The adsorption isotherms of Fe(CO), on Nay, HY and Linde L zeolites obtained in McBain balances show micropore adsorption, whereas additional capillary condensation is found with zeolite omega and Na-mordenite. The pores and/or cages of the zeolites studied are completely filled with the complex upon saturation, with the exception of Na-mordenite. Their behaviour is explained, respectively, by ...

The uptake mechanisms of Ni(II) on mordenite were investigated by 13 macroscopic experiments and extended X-ray absorption fine structure (EXAFS) 14 spectroscopy. The results demonstrated that Ni(II) could be retained via different 15 mechanisms, depending on pH, ionic strength, temperature etc. At low pH, the uptake 16 of Ni(II) is primarily dominated by cation exchange and/or outer-sphere sur...

The reduction capacity of ammonia while present even at ppm level can be demonstrated by the increased encounter probability between ammonia and methylene blue dye (MB+) incorporated in nanomordenite and Na-MOR zeolites. The rate of reduction methylene blue dye by ammonia on the surface nanomordenite zeolite is faster than Na-mordenite (Na-MOR) zeolite.Because nanomordenite zeolite with high si...

in this research na-y was synthesized by hydrothermal method and used as support for preparation of sn/pt/na-y catalysts using two different tin precursors, bu3sn(cl) and sncl2.2h2o, by sequential impregnation, in which the pt  was deposited first and in the next step sn was deposited. the catalysts were characterized by h2 chemisorption, transmission electron microscopy (tem), scanning electro...

the reduction capacity of ammonia while present even at ppm level can be demonstrated by the increased encounter probability between ammonia and methylene blue dye (mb+) incorporated in nanomordenite and na-mor zeolites. the rate of reduction methylene blue dye by ammonia on the surface nanomordenite zeolite is faster than na-mordenite (na-mor) zeolite.because nanomordenite zeolite with high si...

Zeolites are wide used materials in a range of processes chemical, petrochemical, and nutritional industry. They the active catalysts sorbents, particular, zeolites characterized by high efficiency towards extraction heavy radioactive metals from aqua medium. An important factor zeolite catalyst activity is preserving integrity crystal structure. The purpose this research was to check out featu...

Levulinic acid (LA) is one of the top twelve chemicals listed by US Department Energy that can be derived from biomass. It serves as a building block and platform chemical for producing variety chemicals, fuels materials which are currently produced in fossil based refineries. LA key strategic chemical, fuel grade plastic substitutes its catalytic conversion. derivatisation to various product s...