Synthesis of superparamagnetic activated carbon for paracetamol removal from aqueous solution

The present work reports the preparation and characterization of superparamagnetic activated carbons (SPACs) for paracetamol (PCT) removal from aqueous solution. The SPACs were synthesized from co-precipitation method, producing Fe3O4 nanoparticles over the surface of a super activated carbon (SAC)...

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Bibliographic Details
Published in:Journal of molecular liquids 2020-02, Vol.300, p.112282, Article 112282
Main Authors: Spessato, Lucas, Cazetta, André L., Melo, Sandra, Pezoti, Osvaldo, Tami, Jéssica, Ronix, Amanda, Fonseca, Jhessica M., Martins, Alessandro F., Silva, Tais L., Almeida, Vitor C.
Format: Article
Language:English
Subjects:
Carbon materials
Chemical co-precipitation
Corrosion inhibiting effect
Green separation method
Pharmaceutical adsorption
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Summary:The present work reports the preparation and characterization of superparamagnetic activated carbons (SPACs) for paracetamol (PCT) removal from aqueous solution. The SPACs were synthesized from co-precipitation method, producing Fe3O4 nanoparticles over the surface of a super activated carbon (SAC) in weight ratios SAC/Fe3O4 of 1:1, 1:2 and 1:3. The textural characterization revealed the SPACs have micro and mesoporous, besides high values of BET surface area. According to Mössbauer spectroscopy and VSM curves, non-stoichiometric Fe3O4 is the main magnetic phase over the surface of the materials, presenting a superparamagnetic behavior. The adsorption study showed the maximum adsorption capacity occurs at pH 
ISSN:0167-7322
1873-3166
DOI:10.1016/j.molliq.2019.112282