期刊
JOURNAL OF HAZARDOUS MATERIALS
卷 121, 期 1-3, 页码 247-250出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jhazmat.2005.01.029
关键词
adsorption; cationic dye; methylene blue; brilliant cresyl blue; neutral red; peanut hull
The potential feasibility of peanut hul particle for removal of three cationic dyes (methylene blue, brilliant cresyl blue and neutral red) from aqueous solution was investigated. The effects of various experimental parameters were examined and optimal experimental conditions were decided. Above the value of initial pH 4, three dyes studied could be removed effectively. The isothermal data fitted the Langmuir model or Freundlich model. The adsorption processes followed the pseudo-first-order rate kinetics. The results in this study indicated that peanut hull was an attractive candidate for removing cationic dyes from dye wastewater. © 2005 Elsevier B.V. All rights reserved.
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