dor_id: 4110217

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351.#.#.b: Journal of Applied Research and Technology

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856.4.0.u: https://jart.icat.unam.mx/index.php/jart/article/view/798/735

100.1.#.a: Adewuyi, Adewale; Pereira, Fabiano Vargas; Adewuyi, Omotayo Anuoluwapo

524.#.#.a: Adewuyi, Adewale, et al. (2019). Amine modified kaolinite clay from Nigeria: A resource for removing Cd2+ and Pb2+ ions from aqueous solution. Journal of Applied Research and Technology; Vol. 17 Núm. 2. Recuperado de https://repositorio.unam.mx/contenidos/4110217

245.1.0.a: Amine modified kaolinite clay from Nigeria: A resource for removing Cd2+ and Pb2+ ions from aqueous solution

502.#.#.c: Universidad Nacional Autónoma de México

561.1.#.a: Instituto de Ciencias Aplicadas y Tecnología, UNAM

264.#.0.c: 2019

264.#.1.c: 2019-10-24

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041.#.7.h: eng

520.3.#.a: Kaolinite clay (KC) obtained from redemption camp; Nigeria was modified by surface grafting and investigated for the removal of Pb2+ and Cd2+ ions from aqueous solution by adsorption. KC and the modified kaolinite clay (MKC) were characterized using X-ray Diffraction analysis (XRD), Scanning Electron Microscopy (SEM), Brunauer-Emmett-Teller (BET) surface area analyzer, Fourier Transform Infrared spectrometer (FTIR), Particle Size Distribution (PSD), zeta potential, elemental analysis (CHNS/O analyzer) and Energy Dispersive Spectroscopy (EDS). Equilibrium, thermodynamics and kinetic studies were conducted by considering the effects of pH, initial metal ion concentration, contact time, adsorbent weight and temperature. Modification of KC increased its equilibrium adsorption capacity from 8.01 mg/g for Cd2+ and from 24.75 mg/g to 36.41 mg/g for Pb2+ ions. The adsorption process obeys Freundlich and Temkin isotherms. The adsorption was second-order-kinetic and controlled by both intra-particle and liquid film diffusion. Values of ?Go, ?Ho, and ?So, for KC an MKC showed a stable adsorbent-adsorbate configuration.

773.1.#.t: Journal of Applied Research and Technology; Vol. 17 Núm. 2

773.1.#.o: https://jart.icat.unam.mx/index.php/jart

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doi: https://doi.org/10.22201/icat.16656423.2019.17.2.798

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Artículo

Amine modified kaolinite clay from Nigeria: A resource for removing Cd2+ and Pb2+ ions from aqueous solution

Adewuyi, Adewale; Pereira, Fabiano Vargas; Adewuyi, Omotayo Anuoluwapo

Instituto de Ciencias Aplicadas y Tecnología, UNAM, publicado en Journal of Applied Research and Technology, y cosechado de Revistas UNAM

Licencia de uso

Procedencia del contenido

Cita

Adewuyi, Adewale, et al. (2019). Amine modified kaolinite clay from Nigeria: A resource for removing Cd2+ and Pb2+ ions from aqueous solution. Journal of Applied Research and Technology; Vol. 17 Núm. 2. Recuperado de https://repositorio.unam.mx/contenidos/4110217

Descripción del recurso

Autor(es)
Adewuyi, Adewale; Pereira, Fabiano Vargas; Adewuyi, Omotayo Anuoluwapo
Tipo
Artículo de Investigación
Área del conocimiento
Ingenierías
Título
Amine modified kaolinite clay from Nigeria: A resource for removing Cd2+ and Pb2+ ions from aqueous solution
Fecha
2019-10-24
Resumen
Kaolinite clay (KC) obtained from redemption camp; Nigeria was modified by surface grafting and investigated for the removal of Pb2+ and Cd2+ ions from aqueous solution by adsorption. KC and the modified kaolinite clay (MKC) were characterized using X-ray Diffraction analysis (XRD), Scanning Electron Microscopy (SEM), Brunauer-Emmett-Teller (BET) surface area analyzer, Fourier Transform Infrared spectrometer (FTIR), Particle Size Distribution (PSD), zeta potential, elemental analysis (CHNS/O analyzer) and Energy Dispersive Spectroscopy (EDS). Equilibrium, thermodynamics and kinetic studies were conducted by considering the effects of pH, initial metal ion concentration, contact time, adsorbent weight and temperature. Modification of KC increased its equilibrium adsorption capacity from 8.01 mg/g for Cd2+ and from 24.75 mg/g to 36.41 mg/g for Pb2+ ions. The adsorption process obeys Freundlich and Temkin isotherms. The adsorption was second-order-kinetic and controlled by both intra-particle and liquid film diffusion. Values of ?Go, ?Ho, and ?So, for KC an MKC showed a stable adsorbent-adsorbate configuration.
Idioma
eng
ISSN
ISSN electrónico: 2448-6736; ISSN: 1665-6423

Enlaces