Evaluation of TiO2/ LTA Zeolite Incorporated Composite for Mutual Removal of Organic and Inorganic Pollutants: Simulation Study for Prediction of Removal Beyond Equilibrium


In this paper, incorporation of titanium nanoparticles into LTA zeolite (Linde Type A Zeolite) was synthesized by in-situ incorporation of titanium precursors within hydrothermal synthesis of LTA zeolite from local kaolin. More than one evidence for the presence of nano TiO2 including XRD, IR, DR, and SEM techniques. Mutual removal /photodecomposition of heavy metal/organic dye including methylene blue combined with as set of Co2+, Cu2+, Ni2+and Pb2+ ions was the main aim of this study. A four dimensional simulation program were written to predict for the first time both dye and ions with the fourth dimension of time. This program for the first time , is capable of prediction of the removal beyond the equilibrium state. The program was verified and percentage of error did not exceeds 3% with high accuracy. This study will open a new sight the use the modified zeolite as an effective photocatalyst in addition to its high performance of removal of heavy metals. New definitions of some new terminologies was impeded in the literature for the first time such as; Amount selectivity, Partial capacity, Time selectivity, Normalized selectivity, Remained capacity and Loop selectivity

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This work was funded by the king Abdulaziz City for Science and Technology (KACST), Under Grant no. 0032-009-01-17-1.The authors, therefore, acknowledge with thanks the KASCT for technical and financial support.

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Correspondence to Eman Z. Hegazy.

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Hegazy, E.Z., Abd El Maksod, I.H., Kosa, S.A. et al. Evaluation of TiO2/ LTA Zeolite Incorporated Composite for Mutual Removal of Organic and Inorganic Pollutants: Simulation Study for Prediction of Removal Beyond Equilibrium. Silicon (2020). https://doi.org/10.1007/s12633-020-00542-x

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  • TiO2/LTA composite
  • 4 dimensional simulation
  • Photodegradation
  • Removal of ions
  • XRD
  • IR
  • SEM