Optimization of methyl orange removal from aqueous solution by response surface methodology using spent tea leaves as adsorbent

被引：14

作者：

Li, Liangzhi ^{[1
,2
]}

Li, Xiaolin ^{[3
]}

Yan, Ci ^{[1
,2
]}

Guo, Weiqiang ^{[1
,2
]}

Yang, Tianyi ^{[1
,2
]}

Fu, Jiaolong ^{[1
,2
]}

Tang, Jiaoyan ^{[1
,2
]}

Hu, Cuiying ^{[1
,2
]}

机构：

[1] Suzhou Univ Sci & Technol, Sch Chem & Bioengn, Suzhou 215011, Peoples R China

[2] Suzhou Univ Sci & Technol, Jiangsu Key Lab Environm Funct Mat, Suzhou 215009, Peoples R China

[3] Beijing Entry Exit Inspect & Quarantine, Beijing 100026, Peoples R China

来源：

FRONTIERS OF ENVIRONMENTAL SCIENCE & ENGINEERING | 2014年 / 8卷 / 04期

关键词：

spent tea leaves; adsorption; response surface methodology; methyl orange (MO); LOW-COST ADSORBENT; BASIC DYE; ADSORPTION; EQUILIBRIUM; BIOSORPTION; BAGASSE; BLUE;

D O I：

10.1007/s11783-013-0578-0

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The effective disposal of redundant tea waste is crucial to environmental protection and comprehensive utilization of trash resources. In this work, the removal of methyl orange (MO) from aqueous solution using spent tea leaves as the sorbent was investigated in a batch experiment. First, the effects of various parameters such as temperature, adsorption time, dose of spent tea leaves, and initial concentration of MO were investigated. Then, the response surface methodology (RSM), based on Box-Behnken design, was employed to obtain the optimum adsorption conditions. The optimal conditions could be obtained at an initial concentration of MO of 9.75 mg center dot L-1, temperature of 35.3A degrees C, contact time of 63.8 min, and an adsorbent dosage 3.90 g center dot L-1. Under the optimized conditions, the maximal removal of MO was 58.2%. The results indicate that spent tea leaves could be used as an effective and economical adsorbent in the removal of MO from aqueous solution.

引用

页码：496 / 502

页数：7

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