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Inorganic and Nano-Metal Chemistry Volume 52, 2022 - Issue 2
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Articles

TEA-assisted hydro-thermal synthesis of layered Zn hydroxide nitrate adsorbent and its rapid adsorption for MO

Zhang Minga Key Laboratory of Environment Functional Materials, Zhengzhou University of Aeronautics, Zhengzhou, P.R. China;b Henan Huibo Medical Co., Ltd, Nanyang, P.R. ChinaView further author information
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Cui Jiehua Key Laboratory of Environment Functional Materials, Zhengzhou University of Aeronautics, Zhengzhou, P.R. China;c Henan Key Laboratory of Aeronautical Material and Application Technology, Zhengzhou University of Aeronautics, Zhengzhou, P.R. ChinaCorrespondence[email protected]
View further author information
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Zhu Jiea Key Laboratory of Environment Functional Materials, Zhengzhou University of Aeronautics, Zhengzhou, P.R. ChinaView further author information
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Ping Lia Key Laboratory of Environment Functional Materials, Zhengzhou University of Aeronautics, Zhengzhou, P.R. ChinaView further author information
,
Xiuhong Dud Department of Laboratory Medicine, Henan Medical College, Zhengzhou, P.R. ChinaView further author information
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Chunguang Lia Key Laboratory of Environment Functional Materials, Zhengzhou University of Aeronautics, Zhengzhou, P.R. ChinaView further author information
Pages 204-212 | Received 23 Aug 2020, Accepted 01 Dec 2020, Published online: 08 Mar 2021
 
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Abstract

A novel layered Zn hydroxide nitrate adsorbent (LZH-NO3) for rapid adsorption of MO was synthesized by TEA (triethanolamine)-assisted hydro-thermal synthesis technology and characterized by the SEM, XRD, FTIR, BET, solid-state UV/vis spectra and TG. The maximum adsorption capability was 529.3 mg/g. The adsorption process reached equilibrium rapidly only 10 min. The pseudo-second-order kinetic equation fitted the adsorption process. The equilibrium adsorption isotherm data followed the Langmuir model. The regeneration ability was achieved using 0.5% NaOH solution. The results showed that LZH-NO3 could be employed as an efficient adsorbent for the removal of MO from dye waste water.

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Funding

This work was supported by the National Natural Science Foundation of China (21771165), Provincial Key Technologies R & D Program of Henan (192102310237, 172102310556) and the Key Program of the Henan universities and colleges (20B150031, 19A140018).

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