α-FeOOH和α-Fe<sub>2</sub>O<sub>3</sub>纳米棒的制备及其对高氯酸铵热分解的催化作用

陈丽娟; 黄惠

doi:10.11973/jxgccl202304006

α-FeOOH和α-Fe₂O₃纳米棒的制备及其对高氯酸铵热分解的催化作用

陈丽娟¹,
黄惠²

1. 福建船政交通职业学院安全与环境学院, 福州 350007;
2. 福州大学机械工程及自动化学院, 福州 350002

基金项目:

国家自然科学基金资助项目(52105053)

福建省自然科学基金资助项目(2020J01452,2022J01389)

校级科技服务团队环境污染及治理研究项目(20200202)

详细信息

作者简介:
陈丽娟(1978-),女,福建屏南人,教授,博士

中图分类号: O642
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出版历程
- 收稿日期: 2022-01-21
- 修回日期: 2022-12-14
- 刊出日期: 2023-04-19

Preparation of α-FeOOH and α-Fe₂O₃ Nanorods and Their Catalytic Effect onThermal Decomposition of Ammonium Perchlorate

CHEN Lijuan¹,
HUANG Hui²

1. School of Safety Technology and Environmental Engineering, Fujian Chuanzheng Communications College, Fuzhou 350007, China;
2. School of Mechanical Engineering and Automation, Fuzhou University, Fuzhou 350002, China

摘要

摘要: 以FeSO₄·7H₂O和CH₃COONa·3H₂O为原料,采用水热方法制备α-FeOOH纳米棒,将所得α-FeOOH纳米棒于250 ℃烧结2 h制备α-Fe₂O₃纳米棒,采用差热-热重分析法研究了制备的α-FeOOH和α-Fe₂O₃纳米棒对高氯酸铵热分解的催化性能。结果表明:在100 ℃水热反应6 h可制备得到平均直径为18 nm的纯相α-FeOOH纳米棒,再于250 ℃烧结2 h后获得平均直径为16 nm的纯六方相α-Fe₂O₃纳米棒;α-Fe₂O₃和α-FeOOH纳米棒对高氯酸铵热分解的催化效果显著,添加质量分数2%的α-Fe₂O₃纳米棒和α-FeOOH纳米棒可使高氯酸铵的结束分解温度分别降低40,54 ℃,高温分解峰值温度分别降低51.1,61.6 ℃;当α-Fe₂O₃纳米棒添加质量分数达到10%时,高氯酸铵的高温分解峰值温度降低约90.9 ℃。
- α-Fe₂O₃纳米棒 /
- α-FeOOH纳米棒 /
- 高氯酸铵 /
- 热分解
Abstract: α-FeOOH nanorods were prepared by hydrothermal method with FeSO₄·7H₂O and CH₃COONa·3H₂O as raw materials, and then α-Fe₂O₃ nanorods were obtained by sintering the synthesized α-FeOOH nanorods at 250 ℃ for 2 h. The catalytic performance of α-FeOOH and α-Fe₂O₃ nanorods on the thermal decomposition of ammonium perchlorate was investigated by differential thermal and thermogravimetric analysis. The results show that pure phase α-FeOOH nanorods with an average diameter of 18 nm were prepared by hydrothermal reaction at 100 ℃ for 6 h. After sintering the synthesized α-FeOOH nanorods at 250 ℃ for 2 h, the pure hexagonal phase α-Fe₂O₃ nanorods with an average diameter of 16 nm were obtained. The catalytic effect of α-Fe₂O₃ and α-FeOOH nanorods on the thermal decomposition of ammonium perchlorate was significant; after adding 2 mass% α-Fe₂O₃ nanorods and 2 mass% α-FeOOH nanorods, the end decomposition temperature of ammonium perchlorate decreased by 40 ℃ and 54 ℃, and the high temperature decomposition peak temperature decreased by 51.1 ℃ and 61.6 ℃, respectively. When the mass fraction of α-Fe₂O₃ nanorods reached 10%, the high temperature decomposition peak temperature was reduced by about 90.9 ℃.
- α-Fe₂O₃ nanorod /
- α-FeOOH nanorod /
- ammonium perchlorate /
- thermal decomposition

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参考文献(23)

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α-FeOOH和α-Fe2O3纳米棒的制备及其对高氯酸铵热分解的催化作用

作者简介: 陈丽娟(1978-),女,福建屏南人,教授,博士

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出版历程

Preparation of α-FeOOH and α-Fe2O3 Nanorods and Their Catalytic Effect onThermal Decomposition of Ammonium Perchlorate

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出版历程

目录

α-FeOOH和α-Fe₂O₃纳米棒的制备及其对高氯酸铵热分解的催化作用

作者简介:
陈丽娟(1978-),女,福建屏南人,教授,博士

Preparation of α-FeOOH and α-Fe₂O₃ Nanorods and Their Catalytic Effect onThermal Decomposition of Ammonium Perchlorate