Preparation of Titanium-lithium Ion Sieve by the Inorganic Precipitation-peptization Method and Its Adsorption Performance

被引：0
|
作者：
Zhang L. [1 ,2 ]
You Y. [1 ,2 ]
Liu Y. [1 ,2 ]
Ruan S. [1 ,2 ]
机构：
[1] College of Chemistry and Chemical Engineering, Neijiang Normal University, Neijiang
[2] Key Laboratory of Fruit Waste Treatment and Resource Recycling of the Sichuan Provincial College, Neijiang
来源：
Cailiao Daobao/Materials Reports | 2019年 / 33卷 / 12期
关键词：
Adsorption performance; Precipitation-peptization method; Surfactant; Titanium-lithium ionic-sieve;
D O I：
10.11896/cldb.19040259
中图分类号：
学科分类号：
摘要：
H2TiO3-titanium-lithium adsorbent was prepared with titanium sulfate and lithium acetate as main materials via inorganic precipitation-peptization method. The specific surface area, pore structure, crystal phase, composition of chemical elements and concentrations of Li+ and Ti4+ were decided by BET, XRD, XPS and ICP-OES, respectively. The adsorption isotherm and kinetics were also studied. The results indicated that the number of mesoporous structure, the pore volume and the specific surface area of the product increased effectively after the addition of sodium dodecyl benzene sulfonate (SDBS). The adsorption of lithium ion by the adsorbent accorded better with the Freundlich model as compared with the Langmuir model, which indicated that the adsorption of Li+ was not monolayer adsorption. The kinetic process of adsorption was coincident with the pseudo-second-order kinetic model, indicating that the adsorption style was chemical adsorption. © 2019, Materials Review Magazine. All right reserved.
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页码：4056 / 4061
页数：5
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