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首页> 外文期刊>Journal of the Indian Chemical Society >Role of chemically modified guar gum 4-aminobenzoic acid [GABA] resin for removal of toxic metal ions from industrial wastewater
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Role of chemically modified guar gum 4-aminobenzoic acid [GABA] resin for removal of toxic metal ions from industrial wastewater

机译:化学修饰的瓜尔胶4-氨基苯甲酸[GABA]树脂在去除工业废水中的有毒金属离子中的作用

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摘要

A new guar gum based guar gum 4-aminobenzoic acid [GABA] resin has been synthesized and their adsorption behavior for toxic metal ions has been investigated by batch and column experiments. An application was under taken regarding the adsorption of different toxic metal ions from effluent of Puneet Steel Industry, Jodhpur using GABA resin. The distribution coefficient value of metal ions at different pH was also studied using batch equilibration method. The different factors affecting metal ion adsqrption on this substrate such as pH, treatment time, agitation speed, flow rate and temperature were studied in detail. The prepared GABA resin was characterized by FTIR, ion exchange capacity (IEC), elemental and thermogravimetric analysis. The durability and swelling studies of GABA resin were also studied. The adsorption of different metal ions on GABA resin follows the order : Cu~(2+) >Cd~(2+) >Fe~(2+) >Pb~(2+) >Zn~(2+).
机译:合成了一种新型的瓜尔豆胶基瓜尔豆胶4-氨基苯甲酸[GABA]树脂,并通过分批和柱实验研究了它们对有毒金属离子的吸附行为。关于使用GABA树脂吸附来自焦特布尔普涅特钢铁工业公司的废水中不同有毒金属离子的应用。采用间歇平衡法研究了不同pH条件下金属离子的分布系数值。详细研究了影响该基质上金属离子吸附的不同因素,例如pH,处理时间,搅拌速度,流速和温度。通过FTIR,离子交换容量(IEC),元素和热重分析对制备的GABA树脂进行了表征。还研究了GABA树脂的耐久性和溶胀性。不同金属离子在GABA树脂上的吸附顺序为:Cu〜(2+)> Cd〜(2+)> Fe〜(2+)> Pb〜(2+)> Zn〜(2+)。

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