Paper Title:
Adsorption Characters of Mn2+ onto Palygorskites Modified by 1, 10-Phenanthroline and Triethylamine
  Abstract

1, 10-phenanthroline and triethylamine modified palygorskites were prepared by microwave irradiation, and characterized with FT-IR technique. The effects of contact time, adsorbent dosage, and pH value of the initial solution on the adsorption characters of Mn2+ were investigated. The adsorption of Mn2+ from aqueous solutions using 1, 10-phenanthroline or triethylamine modified palygorskites were investigated. Experiment results indicated that 1,10-phenanthroline and triethylamine molecules have been successfully grafted to palygorskite. The adsorption was rapid during the first 5 minuts and equilibrium were attained within 60 minutes in the initial concentration of Mn2+ of 50 and 100 mg•L-1, and fast adsorption in the first 10 minutes and slowly increased with the contact time due to the adsorption of palygorskite. The 1, 10-phenanthroline modified palygorskites had higher adsorption capacity than triethylamine modified palygorskites. Compared with natural palggorskites, the Mn2+ ions adsorption capacities of palggorskite modified by 1, 10-phenanthroline or triethylamine were significantly improved. There were less difference in the adsorption capacity between different dasages of 1, 10-phenanthroline modified palygorskites, but the adsorption capacity of Mn2+ adsorbed onto triethylamine modified palygorskites decreased with increasing the dosages. A Lagergren pseudo-second order model best described the kinetics of adsorption of Mn2+ onto the modified palygorskites.

  Info
Periodical
Edited by
Jinsheng Liang and Lijuan Wang
Pages
8-16
DOI
10.4028/www.scientific.net/AMR.178.8
Citation
L. D. Feng, B. Q. Chen, Y. Y. Shi, Y. W. Guo, J. Huang, M. Sun, Y. X. Gu, D. H. Li, "Adsorption Characters of Mn2+ onto Palygorskites Modified by 1, 10-Phenanthroline and Triethylamine", Advanced Materials Research, Vol. 178, pp. 8-16, 2011
Online since
December 2010
Export
Price
$32.00
Share

In order to see related information, you need to Login.

In order to see related information, you need to Login.

Authors: Xue Yi Guo, Sha Liang, Qing Hua Tian
Abstract:In this study, orange peel (OP) was modified by KCl to prepare a novel orange peel adsorbent named as KOP. The adsorption behaviors of KOP...
237
Authors: Yue Hong Yang, Dun Tao Shu, Ting Dong Fu, Huai Yu Zhang
Chapter 1: Environmental Chemistry and Biology
Abstract:The purpose of this study was to investigate the adsorption of Cu(II) on phosphogypsum, a waste material from the manufacture of phosphoric...
369
Authors: Ming Xia Fan, Kun Wang, Ya Zhou Wang, Dan Qing Yu
Chapter 5: Environmental Restoration Engineering, Treatment and Removal Technologies and Processes
Abstract:In the present investigation, lab-made mesoporous activated carbon (MAC) was prepared for testing the ability to remove Cr(VI) from aqueous...
1161
Authors: Siti Nur Aeisyah Abas, Mohd Halim Shah Ismail, Shamsul Izhar Siajam, Mohd Lias Kamal
Chapter II: Bio and Chemical Engineering Materials, Technologies and Applications
Abstract:The aim of the present study report on the adsorption performance of alginate bead (AB) and mangrove-alginate composite bead (MACB) bead...
248