ADSORPTIVE REMOVAL OF CRYSTAL VIOLET DYE FROM AN AQUEOUS SOLUTION USING GUAR GUM - G - POLY (METHYL METHACRYLATE) SUPERABSORBENT NANOCOMPOSITE 机翻标题: 暂无翻译,请尝试点击翻译按钮。

来源
Pollution Research
年/卷/期
2018 / 37 / 2
页码
435-440
ISSN号
0257-8050
作者单位
Applied and Environmental Chemistry Laboratory, Department of Chemistry, Jai Narain Vyas University;Applied and Environmental Chemistry Laboratory, Department of Chemistry, Jai Narain Vyas University;
作者
KARTIKA RATHORE;SANGEETA LOONKER;
摘要
In this paper, we report use of guar gum-g-poly (methyl methacrylate) superabsorbent nanocomposite for the removal of crystal violet dye. The adsorption experiments were carried out using batch technique at different pH values. UV-Visible spectrophotometry was used for determination of dye concentration. Result indicates that prepared composite showed highest percentage removal of 78% at pH value of 8. The effect of various variables such as adsorbent dose, initial crystal violet dye concentration, time of contact and pH on percentage removal of dye was investigated. The adsorption isotherms were studied to evaluate adsorption characteristics of nanocomposite used. The study of adsorption isotherm shows that adsorption process of crystal violet follow both Freundlich and Langmuir isotherm. The kinetics of adsorption was also studied and result shows that it follows pseudo second order reaction kinetics.
机翻摘要
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关键词/主题词
Crystal violet dye;Superabsorbent;Nanocomposite;Adsorption;Isotherm;Guar gum;Kinetics;
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