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Abstract
Linde Type-A (LTA) zeolite was prepared from sodium aluminate and sodium metasilicate by hydrothermal process precursors. Sodium metasilicate prepared from molten NaOH and SiO2. The zeolite was characterized by FTIR, XRD, XRF and SEM. The adsorption of Fe(III) from aqueous solution by zeolite A was studied. Different parameters like contact time, pH and concentration of iron were investigated. The results show that at contact time of 60 min and pH of 6 maximum adsorption of iron onto zeolite was observed. The kinetic data was analyzed using pseudo-first-order and pseudo-second-order kinetic models. The adsorption kinetics of Fe(III) were fitted well with the pseudo-second-order kinetic model.
Highlights
Porous solids are interest of researcher and scientist because of their ability to interact with atoms, ions and molecules at their outer surfaces, and throughout the inner porous network
Linde Type-A (LTA) zeolite was prepared from sodium aluminate and sodium metasilicate by hydrothermal process precursors
This involves ion exchange, adsorption and catalysis; many of these processes benefit from the high order that can be achieved in solids such as zeolites
Summary
Porous solids are interest of researcher and scientist because of their ability to interact with atoms, ions and molecules at their outer surfaces, and throughout the inner porous network. For synthetic zeolites; the most common are zeolites A, X, Y andZSM-5 Zeolites, with their permanent negative charges as well as the interconnection of channels and cages that run through their secondary framework structure, are efficient adsorbents for positively charged pollutants such as heavy metals [1,2,3]. With their permanent negative charges as well as the interconnection of channels and cages that run through their secondary framework structure, are efficient adsorbents for positively charged pollutants such as heavy metals [1,2,3] Both natural and synthetic zeolites are used commercially because of their unique adsorption, ionexchange, molecular sieve and catalytic properties. First Linde Type-A zeolite was synthesized, and the adsorption behavior of Fe(III) by zeolite was studied
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