黄瓜皮活性炭纳米吸附剂去除工业废水中的重金属

M. Manjuladevi, M. Oviyaasri
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引用次数: 15

摘要

以黄瓜皮为原料制备活性炭作为吸附剂,对电池工业和电镀工业废水中的Cr6+、Cd2+、Ni2+和Pb2+离子进行了脱除。通过间歇式吸附实验,考察了吸附剂用量、接触时间、pH和金属离子浓度对废水中Cr6+、Cd2+、Ni2+和Pb2+离子吸附的影响。所得结果表明,对金属离子的吸附与吸附剂用量、接触时间、pH和金属离子浓度有关。最佳吸附剂用量为250 mg,金属离子浓度为100 mg/L, pH为3 ~ 6。研究还表明,以黄瓜皮为原料制备的活性炭可作为低成本去除金属离子的有效替代品。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Heavy Metals Removal from Industrial Wastewater by Nano Adsorbent Prepared from Cucumis Melopeel Activated Carbon
Activated carbon produced from Cucumis Melopeel (CM) was used as adsorbent to remove Cr6+, Cd2+, Ni2+ and Pb2+ ions from Battery industry and electroplating industrial wastewater. Batch adsorption experiment was conducted to examine the effects of adsorbent dosage, contact time, pH and metal ion concentration on adsorption of Cr6+, Cd2+, Ni2+ and Pb2+ ions from the wastewater. The obtained results showed that, the adsorption of the metal ions was adsorbent dosage, contact time, pH and metal ion concentration dependent. The optimum adsorbent dosage, metal ion concentration and pH, were found to be at 250 mg, 100 mg/L and pH 3 to 6 respectively. The study also showed that activated carbon prepared from Cucumis Melopeel can be efficiently used as low cost alternative for removal of metal ions.
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