Adsorption kinetics and isotherm of vanadium with melamine-Reference-Cited by-同舟云学术

Adsorption kinetics and isotherm of vanadium with melamine

Published:2017-02-27 Issue:10 Volume:75 Page:2316-2321
ISSN:0273-1223
Container-title:Water Science and Technology
language:en
Short-container-title:

Author:

Peng Hao¹²,Liu Zuohua¹²,Tao Changyuan¹²

Affiliation:

1. Chongqing Key Laboratory of Chemical Process for Clean Energy and Resource Utilization, Chongqing 400044, China

2. College of Chemistry and Chemical Engineering, Chongqing University, Chongqing 400044, China

Abstract

Melamine, possessing three free amino groups and three aromatic nitrogen atoms in its molecule, has great potential as an adsorbent for metal ions. We investigated three impact factors of the adsorption process: the initial pH of the vanadium solution, contact time and reaction temperature. The adsorption kinetics could be accurately described by the pseudo-second-order kinetic model. Langmuir and Freundlich models fitted well with the experimental equilibrium data, and the maximal adsorption capacity was found to be 1,428.57 mg vanadium/g melamine, and the Freundlich model showed the adsorption is privilege type.

Publisher

IWA Publishing

Subject

Water Science and Technology,Environmental Engineering

Link

http://iwaponline.com/wst/article-pdf/75/10/2316/452367/wst075102316.pdf

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