Equilibrium, isotherm, and kinetic studies of zinc (II) adsorption onto natural hematite

被引：5

作者：

Sattari, Anahita ^{[1
]}

Kavousi, Maryam ^{[1
]}

Salarirad, Mohammad Mehdi ^{[1
]}

Jalayeri, Haniyeh ^{[2
]}

机构：

[1] Amirkabir Univ Technol, Dept Min & Met Engn, Tehran, Iran

[2] Shahrood Univ Technol, Dept Min Petr & Geophys Engn, Shahrood, Iran

来源：

DESALINATION AND WATER TREATMENT | 2016年 / 57卷 / 39期

关键词：

Natural hematite; Adsorption; Aqueous solution; Zinc(II); HEAVY-METAL IONS; AQUEOUS-SOLUTION; ACTIVATED CARBON; WASTE-WATER; REMOVAL; COPPER; GOETHITE; CHEMISORPTION; CHROMIUM; CADMIUM;

D O I：

10.1080/19443994.2015.1102086

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

In this study, natural hematite was used for the removal of zinc(II) from aqueous solutions due to its lower cost and high adsorption capacity. Variables of batch experiments including solution pH, contact time, initial concentration, and the amount of adsorbent were studied. The results indicated that the adsorption capacities are strongly affected by the parameters mentioned above. The optimum pH and amount of adsorbent was obtained 6 and 5g, respectively. The isothermal data were fitted with Freundlich equation. The intraparticle diffusion model was the best for describing the kinetic data. It was revealed that natural hematite can be used as an effective adsorbent for removing Zn(II) from aqueous solutions.

引用

页码：18516 / 18528

页数：13

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