Adsorptive removal of pharmaceuticals from water by commercial and waste-based carbons

Journal of Environmental Management
Vânia CalistoValdemar I Esteves

Abstract

This work describes the single adsorption of seven pharmaceuticals (carbamazepine, oxazepam, sulfamethoxazole, piroxicam, cetirizine, venlafaxine and paroxetine) from water onto a commercially available activated carbon and a non-activated carbon produced by pyrolysis of primary paper mill sludge. Kinetics and equilibrium adsorption studies were performed using a batch experimental approach. For all pharmaceuticals, both carbons presented fast kinetics (equilibrium times varying from less than 5 min to 120 min), mainly described by a pseudo-second order model. Equilibrium data were appropriately described by the Langmuir and Freundlich isotherm models, the last one giving slightly higher correlation coefficients. The fitted parameters obtained for both models were quite different for the seven pharmaceuticals under study. In order to evaluate the influence of water solubility, log Kow, pKa, polar surface area and number of hydrogen bond acceptors of pharmaceuticals on the adsorption parameters, multiple linear regression analysis was performed. The variability is mainly due to log Kow followed by water solubility, in the case of the waste-based carbon, and due to water solubility in the case of the commercial activated carbon.

References

May 7, 2002·Analytical Sciences : the International Journal of the Japan Society for Analytical Chemistry·K Y Tam, L Quéré
Oct 26, 2005·Environmental Science & Technology·Long D NghiemMenachem Elimelech
Oct 28, 2008·Environmental Pollution·Robert LoosGiovanni Bidoglio
Oct 10, 2009·Chemosphere·Vânia Calisto, Valdemar I Esteves
Oct 13, 2009·International Journal of Pharmaceutics·Parijat Jain, Samuel H Yalkowsky
Jul 2, 2010·Aquatic Toxicology·Yasmin Guler, Alex T Ford
Feb 11, 2012·Journal of Hazardous Materials·Ying YaoHui Li
Sep 13, 2013·Chemosphere·José Rivera-UtrillaRaúl Ocampo-Pérez
Nov 16, 2013·Journal of Hazardous Materials·Chanil JungYeomin Yoon

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Citations

Mar 8, 2016·Journal of Environmental Management·Xinbo ZhangWei Wu
Jun 10, 2015·The Science of the Total Environment·Mohammad Boshir AhmedWenshan Guo
Jul 22, 2016·Bioresource Technology·Catarina I A FerreiraValdemar I Esteves
Nov 24, 2017·Materials·Maria Eugenia Roca JalilKarim Sapag
Oct 21, 2018·Environmental Science and Pollution Research International·Alexandre CamiréAndré Lajeunesse
Sep 5, 2020·Environmental Science and Pollution Research International·Bin LuoKai Zhao
Jun 1, 2020·Environmental Science and Pollution Research International·Diogo PereiraVânia Calisto
Aug 1, 2019·Environmental Science and Pollution Research International·Thuan Van TranTrinh Duy Nguyen
Jun 20, 2020·Environmental Science and Pollution Research International·Andreia F C SousaVânia Calisto
Mar 28, 2018·Environmental Science and Pollution Research International·Eva WeidemannStina Jansson
Mar 25, 2019·Environmental Science and Pollution Research International·Carla Patrícia SilvaVânia Calisto
Sep 6, 2020·The Science of the Total Environment·Laura Delgado-MorenoEsperanza Romero
Sep 6, 2020·The Science of the Total Environment·Érika SousaVânia Calisto
Sep 11, 2020·Journal of Colloid and Interface Science·Imteaz AhmedWha-Seung Ahn
Jun 25, 2021·Chemosphere·Abdulaziz AlmuntashiriSherub Phuntsho

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