水参与制氢的Cu-P体系研究

乐传俊; 王吉祥; 曹桂萍; 刘宝亮

水参与制氢的Cu-P体系研究

常州工学院理学院化工系, 江苏常州 213022

基金项目: 江苏省自然科学基金（BK2011235）。

详细信息

通讯作者:
乐传俊，男，博士，副教授，主要从事精细化工催化等方面的研究，E-mail：ywangjung@163.com。

中图分类号: TQ514
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出版历程
- 收稿日期: 2013-10-17
- 修回日期: 2013-12-29
- 刊出日期: 2014-04-30

Study on the Cu-P system with water for hydrogen production

Department of Chemical Engineering, School of Science, Changzhou Institute of Technology, Changzhou 213022, China

摘要

摘要: 研究了水参与的Cu-P氧化还原体系制氢过程。考察了Cu/P物质的量比、反应温度、酸度、外加Cu单质等对氢气产率的影响，设计了Cu的循环利用和P的转化利用过程，实现了Cu-P体系的绿色化过程。结果表明，通过调控Cu/P物质的量比和反应温度等因素可以控制反应过程中生成的氢原子转化为氢气的量，在以0.20 g五水硫酸铜为基准物的Cu²⁺/H₂PO₂^-物质的量比为0.05和95 ℃反应条件下可获得大于反应计量比的18.6 mL氢气；酸性条件下H₂O₂氧化单质Cu 可以实现Cu的10次循环利用；制氢过程生成的亚磷酸氢根可以用Ca（OH）₂处理转化为新型防锈剂CaHPO₃·H₂O，该防锈剂用红外光谱（FT-IR）和X射线衍射（XRD）得到了表征。
- 制氢 /
- Cu-P体系 /
- 水 /
- 绿色化过程
Abstract: Hydrogen production was studied in the Cu-P oxidation-reduction system with water. The influence of Cu /P ratio, reaction temperature, acidity and additional Cu on hydrogen yield was investigated. The green process of Cu-P system was realized by the design of the copper recycling and the phosphorus transformation and utilization. The results showed the hydrogen yield from the hydrogen atom in the reaction was mainly dependent on the Cu/P ratio and the reaction temperature, with the optimal yield of 18.6 mL under the conditions of 95 ℃ and 0.05 mol ratio of Cu to P with 0.20 g CuSO₄·5H₂O. H₂O₂ oxidation of elemental Cu in Cu-P system was also achieved for 10 times recycling under acidic condition. FT-IR and XRD results revealed that H₂PO₃-from the hydrogen production process could be converted into the new antirust CaHPO₃·H₂O with Ca(OH)₂.
- hydrogen production /
- Cu-P system /
- water /
- green process

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参考文献(21)

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