Kamal Ait El Bacha, Abdelaziz Imgharn, Abdelghani Hsini, Hamid Zouggari, Fatima-zahra Mahir, Belaid Selhami, Rajae Lakhmiri, Mohamed Laabd, Habiba Ejazouli, Abdallah Albourine
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Arginine-Polyaniline Embedded Jujube Shells Composite for Outstanding Cr(VI) Detoxification from aqueous solution
A hybrid composite, denoted as arginine-functionalized polyaniline@jujube shells (Arg-PANI@JS), was designed by oxidative polymerization of monomer-aniline on the surface of jujube shells matrix in the occurrence of arginine. This adsorbent was subsequently characterized and used in hexavalent chromium Cr(VI) adsorption assays. An experimental batch adsorption setup was utilized to assess the effectiveness of the newly developed adsorbent in detoxifying Cr(VI) ions from the solution. The experimental results were successfully anticipated by a pseudo-second-order model (PSO) and the Freundlich isotherm with a maximum uptake capacity of 1142.86 mg.g−1. The thermodynamic investigation showed that the process was both spontaneous and endothermic. The pivotal driving force behind elucidating the binding mechanism of Cr(VI) species was determined to be electrostatic interactions. Furthermore, our assessment demonstrated that the Arg-PANI@JS composite can be readily regenerated using a NaOH solution and effectively reutilized for removing Cr(VI) from aqueous solutions. Consequently, these findings underscore the promising practical utilization of the Arg-PANI@JS composite in wastewater treatment.
期刊介绍:
Water, Air, & Soil Pollution is an international, interdisciplinary journal on all aspects of pollution and solutions to pollution in the biosphere. This includes chemical, physical and biological processes affecting flora, fauna, water, air and soil in relation to environmental pollution. Because of its scope, the subject areas are diverse and include all aspects of pollution sources, transport, deposition, accumulation, acid precipitation, atmospheric pollution, metals, aquatic pollution including marine pollution and ground water, waste water, pesticides, soil pollution, sewage, sediment pollution, forestry pollution, effects of pollutants on humans, vegetation, fish, aquatic species, micro-organisms, and animals, environmental and molecular toxicology applied to pollution research, biosensors, global and climate change, ecological implications of pollution and pollution models. Water, Air, & Soil Pollution also publishes manuscripts on novel methods used in the study of environmental pollutants, environmental toxicology, environmental biology, novel environmental engineering related to pollution, biodiversity as influenced by pollution, novel environmental biotechnology as applied to pollution (e.g. bioremediation), environmental modelling and biorestoration of polluted environments.
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Water, Air, & Soil Pollution publishes research papers; review articles; mini-reviews; and book reviews.