Investigation of lead(II) biosorption onto Hydrilla verticillata

被引：1
|
作者：
Yi, Zhengji [1 ,2 ]
Yao, Jun [3 ]
Liu, Xing [1 ,2 ]
Liu, Jian [1 ,2 ]
Zeng, Rongying [1 ,2 ]
机构：
[1] Hengyang Normal Univ, Coll Chem & Mat Sci, Hengyang 421008, Peoples R China
[2] Hengyang Normal Univ, Key Lab Funct Met Organ Cpds Hunan Prov, Hengyang 421008, Peoples R China
[3] China Univ Geosci Beijing, Sino Hungarian Joint Lab Environm Sci & Hlth, Sch Water Resource & Environm Engn, 29 Xueyuan Rd, Beijing 100083, Peoples R China
来源：
4TH INTERNATIONAL CONFERENCE ON ADVANCES IN ENERGY RESOURCES AND ENVIRONMENT ENGINEERING | 2019年 / 237卷
关键词：
AQUEOUS-SOLUTION; ACTIVATED CARBON; ADSORPTION; KINETICS; REMOVAL;
D O I：
10.1088/1755-1315/237/2/022020
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
The aim of the present research is to study the applicability of using dead Hydrilla verticillata powder to remove lead(II) ion from aqueous solution by means of batch experiments. Influence of oscillation time, solution pH value, and initial Pb(II) level upon its biosorption was examined in some detail. The result indicated that Pb(II) adsorption is highly pH dependent. The pH range from 5.0 to 5.5 is most favorable for Pb(II) removal with ca. 90% of Pb(II) removed. The adsorption data was in agreement with pseudo-first-order kinetics with an adsorption equilibrium time of 50 min. Isotherm data can be described by the Langmuir equation with a maximum adsorption capacity of 157.23 mg/g. These findings suggest that H. verticillata could be a promising biosorbent for Pb(II) removal.
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页数：6
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