檀香相册蒸馏生物质对水溶液中Cu(II)的去除

Q. Hassan, Adil Munir, Asad Bashir, F. Ali, Rana Muhammad Shahid
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引用次数: 1

摘要

在本研究中,使用檀香檀香相册作为生物吸附剂,评估了水溶液中Cu(II)的缓蚀性。通过初始金属浓度(25 ~ 400 mg/L)、生物吸附剂剂量(0.05 ~ 0.2 g)、接触时间(0 ~ 1440 min)、动力学和生物吸附剂预处理对Cu(II)的去除能力进行了批量实验研究。最适pH值为5时,Cu(II)的去除率最高。400 ppm时Cu(II)的最大平衡吸收量为Ba(OH)2-SA(248.8 mg/g-1)。动力学研究表明,从0 ~ 120 min, Cu(II)的缓释速度非常快,并在240 min达到平衡,这一平衡可以用Frendlich等温线很好地解释。动力学符合拟二阶方程,R2值较高。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Mitigation of Cu(II) from Aqueous Solution by Using Sandal Santalum Album Distillation Biomass
In this study, mitigation of Cu(II) from aqueous solutions was evaluated using the sandal Santalum Album as biosorbent. The removal capacity of the Cu(II) was studied in batch experiments including such as initial metal concentration (25-400 mg/L), biosorbent dose (0.05-0.2 g), effects of contact time (0-1440 min), kinetics and pre-treatment of the biosorbent. The maximum removal of Cu(II) was obtained at the optimum pH of 5. The maximum equilibrium uptake for Cu(II) was  Ba(OH)2-SA(248.8 mg/g-1) at 400 ppm. Kinetics studies explained that, mitigation of the Cu(II) was very fast from 0 to 120 min and achieved equilibrium at 240 min. The equilibrium was well explained by Frendlich isotherm. Kinetics was well fitted to pseudo second order equation with high R2 values.
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