Uptake of Reactive Black 5 by pumice and walnut activated carbon: Chemistry and adsorption mechanisms
作者： Behzad Heibati , Susana Rodriguez-Couto , Abdeltif Amrane , Mohd. Rafatullah , Alaa Hawari
DOI: 10.1016/J.JIEC.2013.10.063
关键词:
摘要: Abstract The potential of using pumice and walnut wood activated carbon as low-cost adsorbents for the removal diazo dye Reactive Black 5 (RB5) from aqueous solutions was investigated. Langmuir isotherm fit to data specified presence two different natures adsorption sites with binding energies on AC-W surface. Kinetic modelling showed that behaviour mechanism RB5 both is believed happen via surface followed by diffusion into pores pumice. main mechanisms are hydrogen bonding, electrostatic bonding n–π interactions.
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