用处理过的稻壳去除水溶液中的镍离子:吸附研究

IF 0.1 Q4 ENGINEERING, CHEMICAL

Journal of the Pakistan Institute of Chemical Engineers Pub Date : 2023-03-08 DOI:10.54693/piche.05027

Muhammad Zahid Irfan, Sabih Qamar, Usman Saeed, Meesam Ali, Waqas Aleem, Nida Qamar, Arbab Shahid, Zia Ur Rehman

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引用次数: 0

摘要

研究了稻壳表面金属镍的生物吸附及酸处理后稻壳表面金属镍的生物吸附。研究了合成时间、合成溶液浓度、pH、生物吸附剂用量等参数对稻壳表面金属镍吸附的影响。平衡时间为92 min，吸附量随接触时间的增加而增加。实验结果表明，酸处理稻壳对镍的去除率高于未处理稻壳。稻壳处理后镍的去除率分别为86%和66%。结果表明，在第一个吸附百分比时，提高废水初始浓度可提高去除率，然后由于稻壳颗粒的饱和而降低去除率。

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Removal of nickel ions from aqueous solution using treated rice husk: an adsorption study

This article deals with the biosorption of nickel metal on the surface of rice husk and its acid treated form under batch experimentations. Various parameters were studied such as time, concentration of synthetic solution, pH and bio sorbent dose to determine the effect of adsorption of nickel metal on the surface of rice husk. Equilibrium time was found to be 92 min. The amount of nickel adsorbed increased with increase in their contact time. It was found that acid treated rice husk has good ability to remove highest amount of nickel in comparison with raw form of rice husk. The percentages for the removal of nickel was achieved as 86% and 66% for treated and raw form of rice husk respectively. It could be concluded that the removal efficiency was enhanced by increasing wastewater initial concentration in the first percentage of adsorption and then decreased due to saturation of rice husk particles.

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Journal of the Pakistan Institute of Chemical Engineers ENGINEERING, CHEMICAL-

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