Preparation of Nanoporous Hollow Rod—shaped Magnesium Oxide by Magnesium Carbonate Trihydrate Roasting Method

GUAN Rui; WANG Yulian; WAN Tiancheng; ZHANG Yifan; LI Jixun; DENG Feng; YU Yu; LI Keqing; SU Junzhang; SUN Haoran; HAN Huili; YUAN Zhigang; SU Desheng; ZHAO Lianxiang

doi:10.13779/j.cnki.issn1001-0076.2023.03.017

2023 Vol. 43, No. 3

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Article navigation > Conservation and Utilization of Mineral Resources > 2023 > 43(3): 145-151

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GUAN Rui, WANG Yulian, WAN Tiancheng, ZHANG Yifan, LI Jixun, DENG Feng, YU Yu, LI Keqing, SU Junzhang, SUN Haoran, HAN Huili, YUAN Zhigang, SU Desheng, ZHAO Lianxiang. Preparation of Nanoporous Hollow Rod—shaped Magnesium Oxide by Magnesium Carbonate Trihydrate Roasting Method[J]. Conservation and Utilization of Mineral Resources, 2023, 43(3): 145-151. doi: 10.13779/j.cnki.issn1001-0076.2023.03.017

Citation:

GUAN Rui, WANG Yulian, WAN Tiancheng, ZHANG Yifan, LI Jixun, DENG Feng, YU Yu, LI Keqing, SU Junzhang, SUN Haoran, HAN Huili, YUAN Zhigang, SU Desheng, ZHAO Lianxiang. Preparation of Nanoporous Hollow Rod—shaped Magnesium Oxide by Magnesium Carbonate Trihydrate Roasting Method[J]. Conservation and Utilization of Mineral Resources, 2023, 43(3): 145-151. doi: 10.13779/j.cnki.issn1001-0076.2023.03.017

Preparation of Nanoporous Hollow Rod—shaped Magnesium Oxide by Magnesium Carbonate Trihydrate Roasting Method

1.
School of Materials Science and Engineering, Shenyang Ligong University, Shenyang 110159, China
2.
Liaoning Province Ultra high Power Graphite Electrode Material Professional Technology Innovation Center, Dandong 118100, China
3.
Liaoning Dan Carbon Group Corporation Limited, Dandong 118100, China
4.
The Military Representative Office of the Army Armament Department stationed in Shenyang stationed in Shenyang Region, Shenyang 110004, China

More Information

Corresponding author: WANG Yulian, ylwang0908@163.com

Received Date: 07 June 2023

Publish Date: 15 June 2023

Abstract

Abstract

The precursor MgCO₃·3H₂O was prepared by liquid phase precipitation using MgCl₂·6H₂O as raw material and (NH₄)₂CO₃ as precipitant,, and magnesium oxide with fiber structure was prepared by roasting the precursor. The effects of precipitant concentration, reaction temperature, roasting temperature and roasting time on the average particle size and phase composition of the product were mainly discussed, and the formation mechanism was explored. The results showed that when the concentration of precipitant was 1.5 mol/L, the reaction temperature was 40 ℃, the roasting temperature was 600 ℃, and the roasting time was 120 min, the nano−hollow rod−like magnesium oxide could be obtained, and the surface of which was connected by flakes to form a porous structure, and the precursor magnesium carbonate trihydrate played a template role in the high-temperature roasting process.
- magnesium carbonate trihydrate /
- magnesium oxide /
- hollow rod−shaped /
- roasting /
- template

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References

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