Bibliografías temáticas / Pseudo-secondorder kinetics model

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Literatura académica sobre el tema "Pseudo-secondorder kinetics model"

Autor: Grafiati
Publicado: 4 de junio de 2021
Última modificación: 1 de febrero de 2022

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Artículos de revistas sobre el tema "Pseudo-secondorder kinetics model"

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Dávila, Ivone Vanessa Jurado, Júlia Viola Matzenbacher Hübner, Keila Guerra Pacheco Nunes, and Liliana Amaral Féris. "Caffeine Removal by Adsorption: Kinetics, Equilibrium Thermodynamic and Regeneration Studies." Journal of Solid Waste Technology and Management 47, no. 1 (2021): 95–103. http://dx.doi.org/10.5276/jswtm/2021.95.

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In this work, it was studied the caffeine removal through the adsorption on granular activated carbon (CAG). The influence of pH, contact time and CAG dosage were analyzed by batch experiments. Adsorption Kinetic was studied using the models of pseudo-first-order and pseudo-second-order. The adsorption equilibrium data was studied with Langmuir, Freundlich, and Redlich-Peterson isotherm models. The process thermodynamic also was studied. It was obtained 88 % of removal under the experimental conditions of natural pH, 60 min of adsorption and 8 g.L-1 of CAG. The kinetic model that showed the be
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Yang, Xiaofan, Xueyu Wei, Xiaoping Xu, and Zhigang Liu. "A novel nano zero-valent iron@chitosan for effective removal of Microcystin-LR: Kinetics and adsorption mechanism." E3S Web of Conferences 53 (2018): 04004. http://dx.doi.org/10.1051/e3sconf/20185304004.

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Microcystin-LR (MC-LR) is one of the most notorious toxins liberated from cyanobacteria in drinking water sources. In this study, a skillful method access to new nanozero-valent iron @chitosan (nZVIMC) was synthesized by a facile one step method. The as-prepared nZVIMC was employed as an adsorbent for the effective removal MC-LR from aqueous solution. Transmission electron microscopy (TEM) demonstrates that nZVIMC is in quasi-spherical shape with size of around 50 nm, effect of variable parameters such as pH, contact time, initial concentration of MC-LR and adsorption properties of nZVIMC on M
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Oyedeko, K. F. K., A. S. Akinyanju, M. K. Lasisi, and R. J. Patinvoh. "TREATMENT OF TEXTILE WASTE WATER AND SORPTION OF LEAD USING CHITOSAN FROM BIO-WASTE." Engineering and Technology Research Journal 6, no. 1 (2021): 50–62. http://dx.doi.org/10.47545/etrj.2021.6.1.077.

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Textile effluent contains different organic and inorganic pollutants, among these are COD and heavy metals such as lead (Pb), chromium (Cr), cadium (Cd), and copper (Cu) used for the production of color pigments. In this study the adsorption capacity of chitosan produced from snail shells as an adsorbent for the treatment of textile effluent and for the removal of lead (Pb2+) from waste water carried out. Batch experiments were performed to study the treatment of textile waste water and the adsorption of lead Pb2+ion unto chitosan. The effect of various experimental parameters (adsorbent dose,
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Bagheri, Marzieh, and Esmail Mardani. "Removal of Acid Orange 7 dye from aqueous solutions using polyaniline-modified rice bran: isotherms, kinetics, and thermodynamics." Environmental Health Engineering and Management 6, no. 3 (2019): 203–13. http://dx.doi.org/10.15171/ehem.2019.23.

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Background: Today, due to increasing usage of dyes in various industrials and their destructive effects on health and environment, it is necessary to remove them from industrial wastes. Although there are few studies on the use of rice bran modified with polyaniline (RB/PANI) for removal of different dyes, but the effect of this adsorbent on the removal of Acid Orange 7 (AO7) dye has not been evaluated yet. Therefore, this study was conducted to investigate the removal of AO7 dye by RB/PANI as an adsorbent. Methods: The adsorbent characteristics were determined using scanning electron microsco
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Lubbad, Said Hassan, Balsam Kamal Abu Al-Roos, and Fawzi Suliman Kodeh. "Adsorptive-removal of Bromothymol Blue as Acidic-dye Probe from Water Solution Using Latvian Sphagnum Peat Moss: Thermodynamic Assessment, Kinetic and Isotherm Modeling." Current Green Chemistry 6, no. 1 (2019): 53–61. http://dx.doi.org/10.2174/2452273203666190114144546.

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A green and environmental–friendly method for the removal of the hazardous bromothymol blue from aqueous solution was considered applying a hydrophilic, biocompatible and biodegradable natural sorbent of Latvian sphagnum peat moss, applying shaking-dispersive solid-phase extraction. First, the influence of shaking speed was evaluated at 300, 600, 900 U. Furthermore, the optimum conditions of dye-adsorption, such as pH, adsorption-equilibrium contact time, adsorbent mass, and adsorbate initial concentration were investigated. In addition, the adsorption equilibrium isotherms, thermodynamics, an
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Mohammed Ali, Gomaa Abdelgawad, Ahmed Barhoum, Vinod Kumar Gupta, et al. "High Surface Area Mesoporous Silica for Hydrogen Sulfide Effective Removal." Current Nanoscience 16, no. 2 (2020): 226–34. http://dx.doi.org/10.2174/1573413715666181205122307.

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Background: Removal of sulfur-containing compounds from the aqueous environment is necessary as these compounds pose potential risks to human health, hygienic management and bring great economic losses due to fouling of resin bed and corrosion of process equipment. Objective: This work aims to study the H2S removal efficiency using high surface area mesoporous silica (MCM–41). Methods: In this study, mesoporous silica (MCM–41) with a high surface area of 1270 m2/g and high porosity of 69% was prepared by sol-gel technique. Results: The obtained MCM–41 has exhibited a superior performance in ad
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Tesis sobre el tema "Pseudo-secondorder kinetics model"

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Caroni, Ana Luiza Porpino Fernandes. "Estudos de adsor??o de tetraciclina em part?culas de quitosana." Universidade Federal do Rio Grande do Norte, 2009. http://repositorio.ufrn.br:8080/jspui/handle/123456789/17701.

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Made available in DSpace on 2014-12-17T15:42:05Z (GMT). No. of bitstreams: 1 AnaLPFC.pdf: 1922699 bytes, checksum: c82e91dbc8eb0d49eecb97284bc06938 (MD5) Previous issue date: 2009-08-14<br>Due to its physico-chemical and biological properties, related to the abundance and low cost of raw material, chitosan has been recognized as a material of wide application in various fields, such as in drug delivery systems. Many of these properties are associated with the presence of amino groups in its polymer chain. A proper determination of these amino groups is very important, in order to properly sp
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