One-step synthesis of magnetic biosorbent for the removal of methylene blue

被引：0

作者：

Chen, Dingning ^{[1
,3
]}

Chen, Jialei ^{[1
]}

Hu, Zhiqiang ^{[1
]}

Zhu, Yan ^{[2
]}

Shen, Haoyu ^{[1
]}

机构：

[1] NingboTech Univ, Ningbo 315100, Zhejiang, Peoples R China

[2] Zhejiang Univ, Dept Chem, Xixi Campus, Hangzhou 310028, Peoples R China

[3] Zhejiang Univ, Coll Chem & Biol Engn, Hangzhou 310028, Peoples R China

来源：

DESALINATION AND WATER TREATMENT | 2021年 / 233卷

关键词：

Waste tea; Fe3O4; Methylene blue; Adsorption; Response surface methodology; AQUEOUS-SOLUTIONS; SELECTIVE SEPARATION; ADSORPTIVE REMOVAL; TEA; COMPOSITES; MECHANISM; BIOMASS;

D O I：

10.5004/dwt.2021.27523

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

In this paper, a facile co-precipitation method was used to prepare magnetic alkali-modified tea composites (MAT), and the low-cost adsorbent showed high adsorption performance for methylene blue (MB) in the aqueous solution. These adsorption experiments were carried out under different conditions, such as initial concentration, pH, MAT dosage, and temperature. The results showed that the adsorption capacity of MAT can reach 112.94 mg g(-1), which was higher than other biomaterials. The experiments of adsorption were designed by Design Expert Software and the optimal adsorption conditions were analyzed by ANOVA. The adsorption processes fitted the Langmuir isotherms well, and the pseudo-second-order equation was the best model to describe the adsorption behavior. It was potential material for the adsorption of MB.

引用

页码：341 / 350

页数：10

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