Preparation and adsorption properties of porous doped titanium series

DONG Dianquan; WANG Yongshun; FANG Chao

doi:10.11949/j.issn.0438-1157.20161571

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Preparation and adsorption properties of porous doped titanium series

更新时间：2025-12-10

- Preparation and adsorption properties of porous doped titanium series
- CIESC Journal Issue 7, Pages: 2812-2817(2017)
- 作者机构：
  
  青岛科技大学化工学院,山东,青岛,266042
- 作者简介：
- 基金信息：
- DOI：10.11949/j.issn.0438-1157.20161571
  CLC： Q131.1TQ028.3+3
- Online First：05 July 2017，
  
  Published：05 July 2017
- 稿件说明：
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DONG Dianquan, WANG Yongshun, FANG Chao. Preparation and adsorption properties of porous doped titanium series[J]. CIESC Journal, 2017, (7): 2812-2817.
DOI：

DONG Dianquan, WANG Yongshun, FANG Chao. Preparation and adsorption properties of porous doped titanium series[J]. CIESC Journal, 2017, (7): 2812-2817. DOI： 10.11949/j.issn.0438-1157.20161571.

摘要

用52.40 nm的PMMA纳米微球作模板，用配制好的前驱液进行填充，并通过程序升温焙烧的方法去除模板，合成多孔掺杂型的Li4Ti4.98Zr0.02O12离子筛；用0.100 mol·L-1的盐酸对离子筛进行酸改型，并用XRD、SEM、饱和交换容量、pH滴定曲线等进行表征，考察离子筛的结构以及选择吸附性能。结果表明：制备的离子筛为尖晶石结构，平均孔径约为50 nm；酸改型后其尖晶石结构未被破坏；离子筛对Li+的饱和交换容量为6.43 mmol Li+·g-1，对Li+有较高的选择吸附性。

Abstract

With 52.40 nm PMMA microspheres as template

the templates were filled with the prepared precursor solution. The template removed by the method of temperature-programmed roasting to synthesize the porous doped Li4Ti4.98Zr0.02O12 ion sieve. The ion sieve was acid-modified with 0.100 mol·L-1 hydrochloric acid and characterized by XRD

SEM

saturated exchange capacity

pH curve to test the structure of the ion sieve and adsorption performance. The results show that the prepared ion sieve has a spinel structure with a pore size of about 50 nm. The spinel structure after acid modification has not been destroyed. Ion-sieve exchange capacity is 6.43 mmol Li+·g-1

and it has higher selectivity to Li+.

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