Using the chemical reduction method, silver nanoparticles (Ag NPs) were effectively synthesized into the zeolite framework in the absence of any heat treatment. Zeolite, silver nitrate, and sodium borohydride were used as an inorganic solid support, a silver precursor, and a chemical reduction agent, respectively. Silver ions were introduced into the porous zeolite lattice by an ion-exchange pa...

The catalytic properties of modified synthetic (A, X, Y) and natural (MOR, Clp) zeolites have been studied in the reactions oxidative dehydrogenation butyl alcohols to corresponding carbonyl com-pounds. It has established that bimetallic zeolite catalysts show higher activity these

A natural zeolite-containing esthetic tile was produced by utilizing a geopolymer reaction between blast furnace slag and sodium silicate solution. Preparation of smooth, flattened, rigid tiles with maximum flexural strength being 8.0 MPa achieved optimizing particle size the (d50 = 5.4 µm) concentration aqueous solution (55 mass %) when dosed rate zeolite fixed to 40 % whole paste. An amorphou...

GIS-NaP1 zeolite samples were synthesized using seven different Si/Al ratios (5-11) of the hydrothermal reaction mixtures having chemical composition Al2O3:xSiO2:14Na2O:840H2O to study the impact of Si/Al molar ratio on the water vapour adsorption potential, phase purity, morphology and crystal size of as-synthesized GIS-NaP1 zeolite crystals. The X-ray diffraction (XRD) observations reveal tha...

In this study, the removal of Cr(VI) from aqueous solution by modified zeolite with 3-aminopropyltriethoxysilane was investigated. The effect various parameters such as pH, contact time, temperature, initial concentration ion, common cations, and anions on adsorption studied. characterized following instrumental analysis XRD, SEM/EDS, BET, FT-IR. Based calculated thermodynamic values (ΔG0 H0 > ...

Abstract Removal of heavy metals from the environment is important for living beings. The present work investigates applicability natural and MnO 2 - coated zeolite as sorbent removal copper synthetic solutions. Batch experiments were carried out to identify influence initial pH concentration in process adsorption. A maximum efficiency Cu(II) was observed 10 mg/L (95.6%) modified (96.4%) zeolit...