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Adsorption Thermodynamics and Kinetics of Resin for Metal Impurities in Bis(2-hydroxyethyl) Terephthalate.


ABSTRACT: Adsorption of heavy metals from degraded of Polyethylene terephthalate (PET) products by strong cation exchange resin AmberliteIR-120 under optimized conditions toward the selectivity removal of metals are in the following order: Al3+ > Zn2+ > Mg2+ > Fe2+ > Ni2+. Therefore, kinetic and adsorption isotherm models were applied for fitting experimental data. Comparatively, adsorption isotherm study revealed that Langmuir isotherm model better fits adsorption on surface of resin over than the Freundlich model. In summary, AmberliteIR-120 strong acid cation exchange resin can be used as an efficient adsorbent for heavy metals removal from depolymerized products bis(2-hydroxyethyl) terephthalate.

SUBMITTER: Fatima N 

PROVIDER: S-EPMC7761184 | biostudies-literature | 2020 Nov

REPOSITORIES: biostudies-literature

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Adsorption Thermodynamics and Kinetics of Resin for Metal Impurities in Bis(2-hydroxyethyl) Terephthalate.

Fatima Noor N   Zhang Qi Q   Chen Ruru R   Yan Dongxia D   Zhou Qing Q   Lu Xingmei X   Xin Jiayu J  

Polymers 20201130 12


Adsorption of heavy metals from degraded of Polyethylene terephthalate (PET) products by strong cation exchange resin AmberliteIR-120 under optimized conditions toward the selectivity removal of metals are in the following order: Al<sup>3+</sup> > Zn<sup>2+</sup> > Mg<sup>2+</sup> > Fe<sup>2+</sup> > Ni<sup>2+</sup>. Therefore, kinetic and adsorption isotherm models were applied for fitting experimental data. Comparatively, adsorption isotherm study revealed that Langmuir isotherm model better f  ...[more]

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