Faujasite zeolite decorated with cobalt ferrite nanoparticles for improving removal and reuse in Pb<sup>2+</sup> ions adsorption

Elaine C. Paris; João O. D. Malafatti; Henrique C. Musetti; Alexandra Manzoli; Alessandra Zenatti; Márcia T. Escote

doi:10.1016/j.cjche.2020.04.019

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Faujasite zeolite decorated with cobalt ferrite nanoparticles for improving removal and reuse in Pb²⁺ ions adsorption

Process Systems Engineering and Process Safety | Updated：2026-01-06

- Faujasite zeolite decorated with cobalt ferrite nanoparticles for improving removal and reuse in Pb²⁺ ions adsorption
- Chinese Journal of Chemical Engineering Vol. 28, Issue 7, Pages: 1884-1890(2020)
- Affiliations：
  
  1. Nanotechnology National Laboratory for Agriculture(LNNA), Embrapa Instrumentação, XV de Novembro St., 1452, São Carlos,SP,Brazil,13560-970
  2. Department of Chemistry, Federal University of São Carlos, Rod. Washington Luiz, km 235, São Carlos,SP,Brazil,13565-905
  3. Regional Integrated University of High Uruguay and Missions(URI), Sete de Setembro Ave., 1621, 99709-910, Erechim,RS,Brazil
  4. Federal University of ABC(UFABC), Avenida dos Estados, 5001, Santo André,SP,Brazil
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2020.04.019
  CLC：
- Published：2020
- Accepted：
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ions adsorption[J]. 中国化学工程学报, 2020, 28(7): 1884-1890.
DOI：

ions adsorption[J]. 中国化学工程学报, 2020, 28(7): 1884-1890. DOI： 10.1016/j.cjche.2020.04.019.

摘要

Abstract

Water pollution caused by heavy metals ions has been gaining attention in recent years

increasing the interest in the development of methodologies for their efficient removal focusing on the adsorption process for these purposes. The current challenge faced by adsorption processes is the adequate adsorbent immobilization for removal and reuse. Thus

the present work aimed at producing a faujasite zeolite nanocomposite decorated with cobalt ferrite nanoparticles for Pb

ions adsorption in an aqueous medium improving magnetic removal and reuse. As a result

a high surface area (434.4 m

·g

-1

) for the nanocomposite and an 18.93 emu·g

-1

saturation magnetization value were obtained

indicating magnetic removal in a promising material for adsorption process. The nanocomposite regeneration capacity evaluated by magnetic recovery after 24 h suspension presented a high Pb

ion adsorptive capacity (98.4%) in the first cycle. Around 98% of the Pb

ions were adsorbed in the second cycle. In this way

the synthesized faujasite:cobalt ferrite nanocomposite reveals itself as a promisi

ng alternative in adsorption processes

aiming at a synergic effect of FAU zeolite high adsorptive activity and the cobalt ferrite nanoparticles magnetic activity

allowing for adsorbent recovery from the aqueous medium

via

magnetic force and successive adsorptive cycles.

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Faujasite zeolite decorated with cobalt ferrite nanoparticles for improving removal and reuse in Pb2+ ions adsorption

DOI：10.1016/j.cjche.2020.04.019

摘要

Abstract

关键词

Keywords

references

Faujasite zeolite decorated with cobalt ferrite nanoparticles for improving removal and reuse in Pb²⁺ ions adsorption