Additive manufacturing of sodalite monolith for continuous heavy metal removal from water sources

Hengyu Shen; Run Zou; Yangtao Zhou; Xing Guo; Yanan Guan; Duo Na; Jinsong Zhang; Xiaolei Fan; Yilai Jiao

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Additive manufacturing of sodalite monolith for continuous heavy metal removal from water sources

Recent Advances in Adsorptive Separation Materials and Technologies | Updated：2026-01-06

- Additive manufacturing of sodalite monolith for continuous heavy metal removal from water sources
- Additive manufacturing of sodalite monolith for continuous heavy metal removal from water sources
- 中国化学工程学报（英文版） 2022年42卷第2期页码：82-90
- Affiliations：
  
  1. Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences,Shenyang,China,110016
  2. School of Materials Science and Engineering, University of Science and Technology of China,Shenyang,China,110016
  3. Department of Chemical Engineering, The University of Manchester, Oxford Road,Manchester PLM139, United Kingdom
  4. Science and Technology on Vacuum Technology and Physics Laboratory, Lanzhou Institute of Physics,Lanzhou,China,730010
- Author bio：
- Funds：
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  中图分类号：
- 纸质出版：2022
- Accepted：
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Hengyu Shen, Run Zou, Yangtao Zhou, 等. Additive manufacturing of sodalite monolith for continuous heavy metal removal from water sources[J]. 中国化学工程学报（英文版）, 2022,42(2):82-90.

Hengyu Shen, Run Zou, Yangtao Zhou, Xing Guo, Yanan Guan, Duo Na, Jinsong Zhang, Xiaolei Fan, Yilai Jiao. Additive manufacturing of sodalite monolith for continuous heavy metal removal from water sources[J]. Chinese Journal of Chemical Engineering, 2022, 42(2): 82-90.
Hengyu Shen, Run Zou, Yangtao Zhou, 等. Additive manufacturing of sodalite monolith for continuous heavy metal removal from water sources[J]. 中国化学工程学报（英文版）, 2022,42(2):82-90. DOI：

Hengyu Shen, Run Zou, Yangtao Zhou, Xing Guo, Yanan Guan, Duo Na, Jinsong Zhang, Xiaolei Fan, Yilai Jiao. Additive manufacturing of sodalite monolith for continuous heavy metal removal from water sources[J]. Chinese Journal of Chemical Engineering, 2022, 42(2): 82-90. DOI：

摘要

Abstract

Herein

we present a simple strategy for preparing monolithic sodalite adsorbents

via

sequential additive manufacturing and post-treatments. In detail

the method includes (i) 3D printing of cylindrical monoliths using clay as the base material; (ii) thermal activation of the 3D-printed clay monoliths by calcination (to produce reactive alumina and silica species and enable mechanical stabilization); (iii) conversion of the activated clay monoliths to hierarchical porous sodalite monoliths

via

hydrothermal alkaline treatment. Parametric studies on the effect of calcination temperature

alkaline concentration and hydrothermal treatment time on the property of the resulting materials (such as phase composition and morphology) at different stages of preparation was conducted. Under the optimal conditions (

i.e.

calcination temperature of 850℃

NaOH concentration of 3.3 mol·L

-1

reaction temperature of 150℃

and reaction time of 6 h)

a high-quality pure sodalite monolith was obtained

which possesses a relatively high BET surface area (58 m

·g

-1

) and hierarchically micro-meso-

macroporous structure. In the proposed application of continuous removal of heavy metals (chromium ion as the model) from wastewater

the developed 3D-printed sodalite monolith showed excellent Cr

removal performance and fast kinetics (~98% removal efficiency within 25 cycles)

which outperformed the packed bed using sodalite pellets (made by extrusion).

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