Biosorption Characteristics of Cu(II) and Cd(II) Ions by Modified Alginate

被引：11

作者：

Arici, Tugba Alp ^{[1
]}

Ozcan, A. Safa ^{[2
,3
]}

Ozcan, Adnan ^{[2
,3
]}

机构：

[1] Kutahya Dumlupinar Univ, Emet Vocat Sch, Dept Chem Technol, TR-43700 Kutahya, Turkey

[2] Eskisehir Tech Univ, Fac Sci, Dept Chem, Yunus Emre Campus, TR-26470 Eskisehir, Turkey

[3] Anadolu Univ, Fac Sci, Dept Chem, TR-26470 Eskisehir, Turkey

来源：

JOURNAL OF POLYMERS AND THE ENVIRONMENT | 2020年 / 28卷 / 12期

关键词：

Alginate; Thiosalicylic acid; Biosorption; Heavy metals; Modification; HEAVY-METAL IONS; CALCIUM ALGINATE; AQUEOUS-SOLUTION; CA-ALGINATE; CHLORELLA-VULGARIS; ADSORPTION; REMOVAL; COPPER; BIOSORBENTS; SORPTION;

D O I：

10.1007/s10924-020-01844-2

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

In this study, a novel biosorbent was prepared by the modification of sodium alginate with thiosalicylic acid in the presence of calcium ions (TS-A). TS-A was then characterized and its removal performance for Cu(II) and Cd(II) ions from the aqueous solutions was investigated. The effects of batch and column parameters on the biosorption were systematically investigated. The obtained data from the biosorption results were well fitted by the pseudo-second-order kinetic and Langmuir isotherm models. The maximum biosorption capacities of TS-A were found as 426.9 mg g(-1)for Cu(II) ions and 592.9 mg g(-1)for Cd(II) ions. In the column system, the saturation points of TS-A were obtained as 180 min and 150 min for Cu(II) and Cd(II) ions, respectively. In conclusion, TS-A has provided the removal of heavy metal ions with superior performance by a smart biosorption method, offering advantages such as rapid kinetic and high biosorption capacities.

引用

页码：3221 / 3234

页数：14

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