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Uptake of Reactive Black 5 by pumice and walnut activated carbon: Chemistry and adsorption mechanisms

المؤلفHeibati, Behzad
المؤلفRodriguez-Couto, Susana
المؤلفAmrane, Abdeltif
المؤلفRafatullah, Mohd.
المؤلفHawari, Alaa
المؤلفAl-Ghouti, Mohammad A.
تاريخ الإتاحة2023-05-23T09:39:14Z
تاريخ النشر2014
اسم المنشورJournal of Industrial and Engineering Chemistry
المصدرScopus
معرّف المصادر الموحدhttp://dx.doi.org/10.1016/j.jiec.2013.10.063
معرّف المصادر الموحدhttp://hdl.handle.net/10576/43366
الملخصThe potential of using pumice and walnut wood activated carbon as low-cost adsorbents for the removal of the diazo dye Reactive Black 5 (RB5) from aqueous solutions was investigated. The Langmuir isotherm fit to the data specified the presence of two different natures of adsorption sites with different binding energies on the AC-W surface. Kinetic modelling showed that the adsorption behaviour and mechanism of RB5 for both adsorbents is believed to happen via surface adsorption followed by diffusion into the pores of the AC-W and pumice. The main adsorption mechanisms are hydrogen bonding, electrostatic bonding and n–π interactions.
راعي المشروعThe authors would like to thank Tehran University of Medical Sciences (Iran) for the financial support. The authors would also like to thank Professor Yuh-Shan Ho from the department of Environmental Sciences, College of Environmental Science and Engineering, Peking University, China for his helpful and suggestions regarding the modification methods.
اللغةen
الناشرElsevier
الموضوعAdsorption mechanisms
Azo dyes
Isotherm and kinetic models
Pumice and walnut wood activated carbon
العنوانUptake of Reactive Black 5 by pumice and walnut activated carbon: Chemistry and adsorption mechanisms
النوعArticle
الصفحات2939-2947
رقم العدد5
رقم المجلد20
dc.accessType Abstract Only


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