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Ca-doped ZnO nanoparticles for MB dye degradation and adsorptive removal of tinidazole.
Chamaraja, N A; Khan, Mohammad Mansoob; Hemalatha, H N; Rajendraprasad, N; Prasanna, D S.
Afiliación
  • Chamaraja NA; Department of Chemistry, JSS Academy of Technical Education, (Affiliated to Visvesvaraya Technological University, Belagavi), Dr. Vishnuvardhan Road, Bengaluru, 560 060, India. chamarajchem@gmail.com.
  • Khan MM; Chemical Sciences, Faculty of Science, Universiti Brunei Darussalam, Jalan Tungku Link, Gadong, BE, 1410, Brunei Darussalam.
  • Hemalatha HN; Department of Civil Engineering, JSS Academy of Technical Education, (Affiliated to Visvesvaraya Technological University, Belagavi), Dr. Vishnuvardhan Road, Bengaluru, 560060, India.
  • Rajendraprasad N; PG Department of Chemistry, JSS Research Centre, Recognized by the University of Mysore, JSS College of Arts, Commerce and Science, Ooty Road, Mysuru, India.
  • Prasanna DS; Department of Applied Sciences, Visvesvaraya Technological University, Muddenahalli Campus, Chikkaballapur, 562 010, India.
Environ Monit Assess ; 196(8): 710, 2024 Jul 08.
Article en En | MEDLINE | ID: mdl-38976119
ABSTRACT
Industrial dye degradation involves several processes by which dyes are broken down, ideally into innocuous products. Methylene blue (MB) is one of the most commonly employed dyes in the textile industry and is released into water in routine industry processes. These discharges lead to creating a nocuous nature for humans and animals. Drugs are also discharged into water bodies from various pharmaceutical industries. In these two contexts, in the present work, the green synthesis of calcium-doped zinc oxide nanoparticles (Ca-doped ZnO NPs) is achieved using the aqueous peel extract of Citrus limetta by the solution combustion technique. The structural, morphological, and optical properties of the synthesized Ca-doped ZnO NPs are investigated using XRD, FTIR, SEM, EDX, and UV-visible spectroscopy. The prepared NPs were subjected to photocatalytic degradation of MB dye under visible-light illumination, which shows ~ 95% dye degradation. The synthesized Ca-doped ZnO NPs were also employed to adsorb tinidazole (TDZ), a nitroimidazole antibiotic, from water samples. An excellent adsorptive capacity of the NPs was observed for selectively adsorbing the TDZ ~ 96.2%. The drug TDZ was found to have pseudo-second-order kinetics. The catalyst recycling proved its repeatability; removal of the dye reached up to 92% after three successive usages. Therefore, using waste Citrus limetta peel extract, the multifunctional Ca-doped ZnO NPs were synthesized, which maintained effective adsorption potential and photocatalytic abilities and could be used as an effective material for environmental remediation.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Tinidazol / Contaminantes Químicos del Agua / Óxido de Zinc / Azul de Metileno Idioma: En Revista: Environ Monit Assess Asunto de la revista: SAUDE AMBIENTAL Año: 2024 Tipo del documento: Article País de afiliación: India Pais de publicación: Países Bajos
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Tinidazol / Contaminantes Químicos del Agua / Óxido de Zinc / Azul de Metileno Idioma: En Revista: Environ Monit Assess Asunto de la revista: SAUDE AMBIENTAL Año: 2024 Tipo del documento: Article País de afiliación: India Pais de publicación: Países Bajos