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首页> 外文期刊>Ecological engineering: The Journal of Ecotechnology >Biosorption of heavy metal from aqueous solution using cellulosic waste orange peel
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Biosorption of heavy metal from aqueous solution using cellulosic waste orange peel

机译:使用纤维素废物橙皮的水溶液中重金属的生物吸附

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This paper discusses the adsorption of copper ions Cu2+ from aqueous solutions onto cellulosic waste orange peel (CWOP). The adsorption process depends on solution pH, adsorbent dose, contact time, initial metal ions concentration and agitation speed. The adsorption kinetics were relatively fast and equilibrium was reached in 60 min. The adsorption equilibrium follows Freundlich adsorption isotherm model. The maximum adsorption capacity value of the (CWOP) for copper ions was 63 mg/g. The thermodynamic study showed that the adsorption of copper ions onto (CWOP) is spontaneous and exothermic. The external mass transfer kinetic model was applied to the experimental results and provided reasonable overall volumetric mass transfer coefficients. (C) 2016 Elsevier B.V. All rights reserved.
机译:本文讨论了铜离子Cu2 +从水溶液中吸附到纤维素废物橙皮(CWOP)上。 吸附过程取决于溶液pH,吸附剂剂量,接触时间,初始金属离子浓度和搅拌速度。 吸附动力学相对快速,60分钟达到平衡。 Areundlich吸附等温模型遵循吸附均衡。 铜离子的最大吸附容量值为63mg / g。 热力学研究表明,将铜离子吸附到(CWOP)上是自发性和放热的。 外部传质动力学模型应用于实验结果,并提供合理的总体体积传递系数。 (c)2016年Elsevier B.v.保留所有权利。

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