Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Kinetics of Dimethoate, Malathion, and Chlorpyrifos Adsorption on Cellulose-derived Activated Carbons – Linking Performance to the Physicochemical Properties

Tamara Lazarević-Pašti
* ORCID logo ,
Ana Jocić
ORCID logo ,
Vedran Milanković
,
Tamara Tasić
,
Nebojša Potkonjak
,
Stefan Breitenbach
ORCID logo ,
Christoph Unterweger
ORCID logo ,
Christian Fürst
ORCID logo ,
Igor A. Pašti
ORCID logo
Version 1 : Received: 22 November 2022 / Approved: 24 November 2022 / Online: 24 November 2022 (03:19:52 CET)

How to cite: Lazarević-Pašti, T.; Jocić, A.; Milanković, V.; Tasić, T.; Potkonjak, N.; Breitenbach, S.; Unterweger, C.; Fürst, C.; Pašti, I.A. Kinetics of Dimethoate, Malathion, and Chlorpyrifos Adsorption on Cellulose-derived Activated Carbons – Linking Performance to the Physicochemical Properties. Preprints 2022, 2022110449. https://doi.org/10.20944/preprints202211.0449.v1 Lazarević-Pašti, T.; Jocić, A.; Milanković, V.; Tasić, T.; Potkonjak, N.; Breitenbach, S.; Unterweger, C.; Fürst, C.; Pašti, I.A. Kinetics of Dimethoate, Malathion, and Chlorpyrifos Adsorption on Cellulose-derived Activated Carbons – Linking Performance to the Physicochemical Properties. Preprints 2022, 2022110449. https://doi.org/10.20944/preprints202211.0449.v1

Abstract

Due to the accumulation of pesticides in the environment, the development of efficient strategies for their removal is of utmost importance. Activated carbons are currently seen as excellent candidates for adsorptive pesticide removal based on several beneficial properties, like a large surface area, developed porosity, and low price. However, a deep link between materials' properties and performance is still elusive. Here we focus on the kinetics of three organophosphate pesticides removal, aliphatic dimethoate and malathion and aromatic chlorpyrifos, using a series of carefully prepared activated carbon fibers. Used adsorbents have a wide range of specific surface areas, pore size distributions, and elemental content, allowing the establishment of the link between physicochemical properties and their performance as adsorbents. We use data analysis tools to link these properties and discuss their different roles in the removal of three structurally different yet extremely dangerous pesticides. The obtained results can guide the synthesis of novel adsorbents or rationally select adsorbents for specific target pollutants based on the physicochemical properties of adsorbents and the chemical structure of pollutants.

Keywords

organophosphate pesticide; removal; adsorption; kinetics; textural properties

Subject

Chemistry and Materials Science, Materials Science and Technology

Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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