Journal
JOURNAL OF THE TAIWAN INSTITUTE OF CHEMICAL ENGINEERS
Volume 47, Issue -, Pages 125-136Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jtice.2014.09.027
Keywords
Ferula communis; Copper; Competitive adsorption; Direct red 80; Microwave radiation
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We present a novel microwave initiated preparation of polyacrylamide/activated carbon hydrogel (PAAm-FAc) in this article and characterized by FT-IR, pH(zpc) and Boehm titration. The adsorbent was assessed for competitive adsorption of copper(II) and direct red 80 from a binary mixture in a single-staged batch process as a function of volume of binary mixture/mass of adsorbent (V-0/M-0) ratio at varying orders of second pollutant concentration. A competitive, multi-component Langmuir isotherm was used to express the adsorption process and the model was applied for calculating adsorbed or equilibrium individual pollutant concentration (C-ad,C-eq,C-i or C-eq,C-i) at a fixed V-0/M-0 ratio for a combination of pollutants in a batch reactor. The data obtained indicated that the decrease of V-0/M-0 ratio with the addition of second pollutant influenced the amount of copper or direct red 80 removed. The prepared adsorbent is efficient and useful in multi-component adsorption system. (C) 2014 Taiwan Institute of Chemical Engineers. Published by Elsevier B.V. All rights reserved.
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