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首页> 外文期刊>Journal of industrial and engineering chemistry >A facile hydrothermal synthesis, adsorption kinetics and isotherms to Congo Red azo-dye from aqueous solution of NiO/graphene nanosheets adsorbent
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A facile hydrothermal synthesis, adsorption kinetics and isotherms to Congo Red azo-dye from aqueous solution of NiO/graphene nanosheets adsorbent

机译：NiO /石墨烯纳米片吸附剂水溶液对刚果红偶氮染料的简便水热合成，吸附动力学和等温线

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A series of NiO/graphene nanosheets adsorbents (NGNS) were synthesized by a facile hydrothermal method, and characterized by UV-vis, XRD, TG, TEM, HRTEM, Raman, SAED and XPS methods. The NGNS was applied to deal with wastewater solution containing Congo Red (CR); and adsorption efficiency attained 99.56% at optimum condition. The adsorption kinetic and isotherm of adsorbent toward CR were investigated. The results indicated that pseudo second-order kinetic model and the equilibrium data were well fitted by Redlich-Peterson model. The adsorbent can be separated from system effectively and easily. The prepared adsorbent has potential application for the wastewater treatment containing CR azo-dye. (C) 2014 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.
机译：通过简便的水热法合成了一系列NiO /石墨烯纳米片吸附剂（NGNS），并通过紫外可见，XRD，TG，TEM，HRTEM，拉曼，SAED和XPS方法对其进行了表征。 NGNS用于处理含刚果红（CR）的废水。在最佳条件下吸附效率达到99.56％。研究了吸附剂对CR的吸附动力学和等温线。结果表明，Redlich-Peterson模型很好地拟合了伪二级动力学模型和平衡数据。吸附剂可以有效，轻松地从系统中分离出来。所制备的吸附剂在含CR偶氮染料的废水处理中具有潜在的应用前景。 （C）2014大韩工业化学工程学会。由Elsevier B.V.发布。保留所有权利。

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