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Raw Algerian Calcic Clay as a Sustainable Adsorbent for Pesticide Removal

1Faculty of Science and Technology, Abdel Hamid Ibn Badis University of Mostaganem, 27000, Algeria

2Djillali Liabes University of Sidi Bel Abbes 22000, Algeria, Algeria

3Laboratory of Materials & Catalysis, Faculty of Exact Sciences Djillali LIABES University (UDL), Algeria

Received: 16 Apr 2026; Revised: 18 May 2026; Accepted: 19 May 2026; Available online: 30 Jun 2026; Published: 30 Oct 2026.
Editor(s): Istadi Istadi
Open Access Copyright (c) 2026 by Authors, Published by BCREC Publishing Group
Creative Commons License This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.
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Abstract

Pesticides are widely used around the world to control weeds in order to increase agricultural production. Classically, herbicides applied in excess in fields cause serious problems and during their application, they can lead to the loss of biodiversity. In the present work, we try to study the adsorption of diuron in an aqueous solution on the calcic clay Diuron is a phenyl derivative herbicide widely used in agricultural work Diuron is a phenyl derivative herbicide widely used in agricultural work persists in soil and ground and surface water. , some analysis and characterization were done. Adsorption of diuron was done using raw calcium clay. The study of the adsorption allows to optimize some parameters influencing this process: contact time, mass of the adsorbent, pH, temperature, and the modeling of adsorption isotherms of which those used are: Langmuir, Freundlich, Temkin and Elovich. The results obtained show that the adsorption reaction of diuron on raw calcium clay is an exothermic process, the removal of diuron agrees with the Freundlich model.

Keywords: : Environment; Pesticide,; Agriculture; Elimination,; Clay

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