|本期目录/Table of Contents|

[1]王珏珏,张越非*,池汝安,等.改性木质素磺酸钠对铅离子的吸附行为研究[J].武汉工程大学学报,2017,39(01):12-18.[doi:10. 3969/j. issn. 1674?2869. 2017. 01. 003]
 WANG Juejue,ZHANG Yuefei*,CHI Ruan,et al.Adsorption Behavior of Lead Ion on Modified Sodium Lignosulfonate[J].Journal of Wuhan Institute of Technology,2017,39(01):12-18.[doi:10. 3969/j. issn. 1674?2869. 2017. 01. 003]
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改性木质素磺酸钠对铅离子的吸附行为研究(/HTML)
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《武汉工程大学学报》[ISSN:1674-2869/CN:42-1779/TQ]

卷:
39
期数:
2017年01期
页码:
12-18
栏目:
化学与化学工程
出版日期:
2017-03-29

文章信息/Info

Title:
Adsorption Behavior of Lead Ion on Modified Sodium Lignosulfonate
作者:
王珏珏1张越非1*池汝安2余军霞1
1. 武汉工程大学化学与环境工程学院,湖北 武汉 430074;2. 武汉工程大学化工与制药学院,湖北 武汉 430074
Author(s):
WANG Juejue1 ZHANG Yuefei1* CHI Ru’an2 YU Junxia1
1. School of Chemistry and Environmental Engineering, Wuhan Institute of Technology, Wuhan 430074, China;2. School of Chemical Engineering and Pharmacy, Wuhan Institute of Technology, Wuhan 430074, China
关键词:
改性木质素磺酸钠铅离子吸附
Keywords:
modified sodium lignosulfonatelead ionadsorption
分类号:
X52
DOI:
10. 3969/j. issn. 1674?2869. 2017. 01. 003
文献标志码:
A
摘要:
研究了过氧化氢氧化和亚硫酸钠磺化改性后的木质素磺酸钠对水溶液中铅离子的吸附性能. 分别考察了溶液pH值、初始浓度、吸附时间、温度对吸附性能的影响. 实验结果表明,在溶液pH值为1.5-5时,改性木质素磺酸钠对铅离子的平衡吸附量随着pH值的增大而变大;改性木质素磺酸钠对铅离子的平衡吸附量随着温度的升高增加不明显. 在最佳吸附pH值下,改性木质素磺酸钠对铅离子的吸附量随着溶液初始浓度的增加而增大,120 min达到吸附平衡时,铅的饱和吸附量可达到55.22 mg/g. 改性木质素磺酸钠对铅离子的静态吸附过程较好地符合Langmuir等温吸附模型,吸附过程符合准一级动力学模型.
Abstract:
Lignosulfonate modified by hydrogen?peroxide and sodium sulfite on adsorption of lead ion in aqueous solution was studied. Effects of initial metal ion concentration, pH values, adsorption temperature and time on adsorption behaviors were explored. The results show that the equilibrium adsorption capacity of lead ion increases with the pH values rising from 1.5 to 5; while the effect of adsorption temperature is not obvious on the equilibrium adsorption capacity. Under the optimal adsorption condition, the adsorption of lead ion gets adsorption equilibrium at 120 min, and the saturated adsorption amount of lead ion is up to 55.22 mg/g. The results of thermodynamics study demonstrate that the adsorption of lead conforms to Langmuir adsorption isotherm and the pseudo-first-order kinetics equation.

参考文献/References:

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更新日期/Last Update: 2017-02-22