2004
DOI: 10.1016/j.jhazmat.2004.02.052
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Effects of operating conditions on the removal of heavy metals by zeolite in fixed bed reactors

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Cited by 84 publications
(68 citation statements)
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“…In the bed operated at 5mL/min, Cd breakthrough was observed after 120 minutes of contact as there was insufficient time for intra-particle diffusion of metal ions into the pores of the zeolite resulting in earlier breakthrough [46]. Hence, the lower the flow rate, the better the metal removal performance of the column [25].…”
Section: Effect Of Flow Ratementioning
confidence: 99%
See 1 more Smart Citation
“…In the bed operated at 5mL/min, Cd breakthrough was observed after 120 minutes of contact as there was insufficient time for intra-particle diffusion of metal ions into the pores of the zeolite resulting in earlier breakthrough [46]. Hence, the lower the flow rate, the better the metal removal performance of the column [25].…”
Section: Effect Of Flow Ratementioning
confidence: 99%
“…Most of these studies have focused on the antibacterial properties of silver with the zeolites acting as inert supports with the exception of Krishnani et al (2012) who investigated the combined disinfection and ammonia removal performance of silver ionexchanged zeolites [21]. However natural zeolites possess excellent ion exchange and adsorption properties due to their physical and structural characteristics and have been extensively applied for the removal of metal ions from aqueous solutions with high metal removal efficiencies achieved in batch and column systems [2][3][4][22][23][24][25][26].…”
Section: Introductionmentioning
confidence: 99%
“…Natural zeolites are hydrated aluminosilicates based on an infinite three-dimensional structure of tetrahedrons as TO 4 (T = Si, Al, B, Ge, Fe, P, Co) joined by oxygen atoms 4,14 . Zeolites have in its internal structure channels and cavities interconnected of molecular dimensions where compensation cations allowing the ion exchange 15,16 exist.…”
Section: Introductionmentioning
confidence: 99%
“…Cuando los compuestos zeolíticos en forma sódica se introducen en soluciones acuosas que contienen otros cationes, se posibilita el intercambio de estos cationes por aquellos, siempre que puedan penetrar en los poros y cavidades, en función de sus dimensiones (incluyendo las moléculas de agua de coordinación de los cationes que se trate). El intercambio iónico que se realiza por tratamientos en fase líquida es considerado uno de los procesos principales para la eliminación de metales pesados (17,18).…”
Section: +unclassified