Lignosulfanate-assistant hydrothermal method for synthesis of titanate nanotubes with improved adsorption capacity for metal ions

被引：5

作者：

Chang, Yongfang ^{[1
,2
]}

Xing, Shengtao ^{[1
]}

Wei, Xiaoru ^{[1
]}

Wu, Yinsu ^{[1
]}

Ma, Zichuan ^{[1
]}

机构：

[1] Hebei Normal Univ, Coll Chem & Mat Sci, Shijiazhuang 050024, Peoples R China

[2] Shijiazhuang Univ, Coll Chem Technol, Shijiazhuang 050035, Peoples R China

来源：

MATERIALS LETTERS | 2014年 / 132卷

基金：

中国国家自然科学基金;

关键词：

Titanate tubes; Lignosulfonate; Biomaterials; Crystal structure; Adsorption;

D O I：

10.1016/j.matlet.2014.06.085

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Lignosulfonate modified titanate tubes (L-TNTs) were synthesized by a hydrothermal method. The influences of lignosulfonate on the structure and adsorption capacity of the product were investigated. The characterization results indicate that L-TNTs are layered titanates(NaxH2-xTi3O7 center dot nH(2)O) with mesoporous structure, and the doped lignosulfonate increases the axial ratio and layer spacing of TNTs. The maximal adsorption capacities of L-TNTs are 740, 148 and 223 mg g(-1) for Pb2+, Cu2+ and Cd2+, respectively, which are higher than those of TNTs. The results demonstrate that the lignosulfanate-assistant hydrothermal method is promising for improving the adsorption capacity of nanomaterial toward heavy metal ions. (C) 2014 Elsevier B.V. All rights reserved.

引用

页码：353 / 356

页数：4

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