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INNOVATIVE METHOD OF ZEOLITE MODIFICATION FOR INCREASE MERCURY SORPTION FROM SIMULATED GAS STREAM
Abstract
Packaging waste from the industry containing significant amounts of silicon and aluminum were used in synthesis of zeolites. Derived structures ware mostly A (LTA) and X from (FAU) frameworks, respectively. Zeolite were modified in order to increase ability for elemental mercury (Hg0) removal from simulated gas stream. Mercury constitutes a hazardous threat, due to its high chemical and biological activity, durability, volatility and susceptibility to migrations over long distances from the source of pollution. According to the Agency for Toxic Substances and Disease Registry, mercury is placed third on the list of substances most hazardous to human health. The effect of zeolites modification on Hg0 removal from simulated gas stream was studied empirically using prototype installation designed to test the effectiveness of sorption by solid state sorbents. Part of derived and modified zeolites revealed significant mercury uptake during sorption experiment. The proposed hybrid synthesis method possesses the potential to be implemented for both waste utilization as well as the time and energy saving production of aluminosilicate, porous materials with high Hg0 removal efficiency.
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