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[1]汪 景,汪 燚,董双凤,等.4种胺基改性甘蔗渣对Cu2+的静态吸附[J].武汉工程大学学报,2020,42(06):591-596.[doi:10.19843/j.cnki.CN42-1779/TQ.202009001]
 WANG Jing,WANG Yi,DONG Shuangfeng,et al.Static Adsorption of Cu2+ Using Bagasse Modified by Four Kinds of Amine[J].Journal of Wuhan Institute of Technology,2020,42(06):591-596.[doi:10.19843/j.cnki.CN42-1779/TQ.202009001]
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4种胺基改性甘蔗渣对Cu2+的静态吸附(/HTML)
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《武汉工程大学学报》[ISSN:1674-2869/CN:42-1779/TQ]

卷:
42
期数:
2020年06期
页码:
591-596
栏目:
化学与化学工程
出版日期:
2021-01-30

文章信息/Info

Title:
Static Adsorption of Cu2+ Using Bagasse Modified by Four Kinds of Amine
文章编号:
1674 - 2869(2020)06 - 0591 - 06
作者:
汪 景汪 燚董双凤余军霞*池汝安李红霞
武汉工程大学化学与环境工程学院,绿色化工过程教育部重点实验室,湖北 武汉430205
Author(s):
WANG Jing WANG Yi DONG ShuangfengYU Junxia*CHI Ru’anLI Hongxia
School of Chemistry and Environmental Engineering,Wuhan Institute of Technology,Key Laboratory of Green Chemical Processes of Ministry of Education,Wuhan 430074,China
关键词:
生物吸附剂甘蔗渣改性吸附Cu2+
Keywords:
biosorbentbagasse modificationadsorptionCu2+
分类号:
X71;G642.423
DOI:
10.19843/j.cnki.CN42-1779/TQ.202009001
文献标志码:
A
摘要:
采用两步法制备了乙二胺(EDA)、二乙烯三胺(DETA)、三乙烯四胺(TETA)、四乙烯五胺(TEPA)系列胺基改性甘蔗渣(SCB)吸附剂,探讨了浓度、吸附时间、酸度和共存离子对四种吸附剂吸附Cu2+的影响。结果表明四种胺基改性吸附剂对铜离子的吸附等温线符合Langmuir模型,吸附可在1h内达到平衡,动力学过程符合伪二级动力学模型,吸附最佳酸度范围为4.5~5.5。4种胺基改性甘蔗渣吸附剂对Cu2+的吸附容量大小的顺序为:DETA-SCB>TEPA-SCB>TETA-SCB>EDA-SCB,对Cu2+选择性顺序为:EDA-SCB>DETA-SCB>TETA-SCB>TEPA-SCB。共存干扰离子对Cu2+吸附容量影响的大小顺序:Zn2+>Cd2+>Ca2+≈Mg2+>K+≈Na+
Abstract:
Ethylenediamine(EDA), diethylenetriamine(DETA),triethylenetetramine(TETA),and tetra- ethylenepentamine(TEPA)modified bagasse(SCB)wereprepared through two-steps method, and their adsorption performance including isotherm,kinetic,pH and co-ions effect were investigated.Results showed that adsorption isotherms of Cu2+on EDA-SCB,DETA-SCB,TETA-SCB,and TEPA-SCB fits Langmuir model,and the adsorption can finish within1h.The optimum pH values for Cu2+adsorption on the four modified SCBs range from 4.5 to 5.5.Adsorption capacity of the four modified SCBs follows the order of DETA-SCB>TEPA-SCB>TETA-SCB>EDA-SCB,while adsorption selectivity follows the order of EDA-SCB>DETA-SCB>TETA-SCB>TEPA-SCB.

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备注/Memo

备注/Memo:
收稿日期:2020-09-02基金项目:国家自然科学基金(?21978226);湖北省教育厅创新团队项目(T201506);武汉工程大学校长基金(CX2019187)作者简介:汪 景,硕士研究生。E-mail:411498385@qq.com*通讯作者:余军霞,博士,教授。E-mail:yujunxia_1979@163.com引文格式:汪景,汪燚,董双凤,等. 4种胺基改性甘蔗渣对Cu2+的静态吸附[J]. 武汉工程大学学报,2020,42(6):591-596.
更新日期/Last Update: 2020-12-16