Removal of organic pollutants from red water by magnetic-activated coke

Research output: Journal Publications and Reviews (RGC: 21, 22, 62)21_Publication in refereed journalpeer-review

19 Scopus Citations
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Author(s)

  • Pan Hu
  • Yihe Zhang
  • Kun Tong
  • Fangfang Wei
  • Qi An
  • Xinke Wang
  • Fengzhu Lv

Detail(s)

Original languageEnglish
Pages (from-to)2710-2722
Journal / PublicationDesalination and Water Treatment
Volume54
Issue number10
Online published24 Mar 2014
Publication statusPublished - 2015

Abstract

A magnetic adsorbent, magnetic-activated coke (MAC), is incorporated with Fe3O4 particles for removal of organic materials from 2,4,6-trinitrotoluene red water. The MAC is characterized by N-2 adsorption, Fourier transform infrared spectroscopy, X-ray diffraction, scanning electron microscope, and energy dispersive X-ray spectroscopy. Adsorption of organic pollutants is evaluated systematically by varying the adsorbent dosage, exposure time, temperature, pH, and dilution ratios of 2,4,6-trinitrotoluene red water. The equilibrium adsorption data can be better fitted with the Freundlich isotherm than Langmuir isotherm except at 343 K. The adsorption kinetics follows a pseudo-second-order model and thermodynamic analysis indicates an endothermic and spontaneous adsorption process. The settling rate after adsorption suggests that the response of MAC under an external magnetic field is very fast.

Research Area(s)

  • Activated coke, Adsorption, Magnetic, Organic pollutants, TNT red water

Citation Format(s)

Removal of organic pollutants from red water by magnetic-activated coke. / Hu, Pan; Zhang, Yihe; Tong, Kun; Wei, Fangfang; An, Qi; Wang, Xinke; Chu, Paul K.; Lv, Fengzhu.

In: Desalination and Water Treatment, Vol. 54, No. 10, 2015, p. 2710-2722.

Research output: Journal Publications and Reviews (RGC: 21, 22, 62)21_Publication in refereed journalpeer-review