Removal of crystal violet by advanced oxidation and microfiltration

被引：49

作者：

Jana, Somen ^{[1
]}

Purkait, M. K. ^{[1
]}

Mohanty, Kaustubha ^{[1
]}

机构：

[1] Indian Inst Technol, Dept Chem Engn, Gauhati 781039, India

来源：

APPLIED CLAY SCIENCE | 2010年 / 50卷 / 03期

关键词：

Dye removal; Ceramic membrane; AOP followed by microfiltration; Membrane-hybrid process; REACTIVE DYE REMOVAL; DYE/SALT MIXTURES; WATER; ADSORPTION; DECOLORIZATION; COMBINATION; TECHNOLOGY; MEMBRANES; SLUDGE; REUSE;

D O I：

10.1016/j.clay.2010.08.023

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Advanced oxidation process (AOP) followed by microfiltration (MF) was proposed for the removal of crystal violet from aqueous solutions to save energy time and cost. Fenton's reagent was used to degrade the dye The optimal composition of Fenton's reagent for an initial dye concentration of 100 mg L-1 was 1000 mg L-1 H2O2 and 100 mg L-1 FeSO4 7H(2)O A microfiltration membrane (average pore size of 031 mu m) was used to remove the oxidation product at transmembrane pressures of 138 207 and 276 kPa Small changes in pH (6 4 to 6 2) total dissolved solid (360 mg L-1 to 350 mg L-1) and density (999 7 kg m(-3) to 997 1 kg m(-3)) were observed during microfiltration No dye and dispersed particles were found in the permeate Thus 100% dye removal was achieved by the hybrid process (C) 2010 Elsevier B V All rights reserved

引用

页码：337 / 341

页数：5

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