磺化Salen金属配合物插层水滑石选择性催化氧化甘油制备二羟基丙酮的研究

雒京; 李洪广; 赵宁; 王峰; 肖福魁

磺化Salen金属配合物插层水滑石选择性催化氧化甘油制备二羟基丙酮的研究

雒京^1,2,
李洪广^1,2,
赵宁^1,,
王峰¹,
肖福魁¹

1.
中国科学院山西煤炭化学研究所煤转化国家重点实验室, 山西太原 030001;
2.
中国科学院大学, 北京 100049

基金项目: 国家自然科学基金(51206188);山东省优秀中青年科学家科研奖励基金(BS2013SW032);长江学者和创新团队发展计划资助(IRT1294)。

详细信息

通讯作者:
赵宁,Tel:0351-4049612,E-mail:zhaoning@sxicc.ac.cn;王峰,Tel:0351-4049612,E-mail:wangf@sxicc.ac.cn。

中图分类号: O643.3
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- 文章访问数: 422
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出版历程
- 收稿日期: 2015-01-26
- 修回日期: 2015-03-10
- 刊出日期: 2015-06-30

Selective oxidation of glycerol to dihydroxyacetone over layer double hydroxide intercalated with sulfonato-salen metal complexes

1.
State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan 030001, China;
2.
University of Chinese Academy of Sciences, Beijing 100049, China

摘要

摘要: 制备了一系列含不同金属离子的磺化Salen金属配合物插层水滑石催化剂用于甘油催化氧化制备二羟基丙酮(DHA)。利用X射线粉末衍射(XRD)、傅里叶变换红外光谱(FT-IR)及电感耦合等离子发射光谱(ICP)分析手段对催化剂进行了表征。结果表明,磺化Salen配体插入镁铝水滑石(LDH)层板间,金属离子与磺化Salen配体配合,制备出磺化Salen金属配合物插层的水滑石非均相催化剂。反应结果表明,含Cr³⁺及含Cu²⁺催化剂有利于H₂O₂活化,催化活性较高,含Cu²⁺催化剂利于甘油脱氢,DHA选择性较高。含Cu²⁺催化剂用于甘油催化氧化反应时,在pH值为7、60 ℃条件下反应4 h,甘油转化率为40.3%,DHA选择性达到52.9%。
- 甘油 /
- 二羟基丙酮 /
- 磺化Salen金属配合物 /
- 非均相催化剂 /
- 选择性氧化
Abstract: A series of sulfonato-salen metal complexes were intercalated into Mg-Al layer double hydroxide (LDH) and used for selective oxidation of glycerol to dihydroxyacetone (DHA). The X-ray diffraction, Fourier transform infrared spectroscopy and elemental analysis results of the as-prepared catalysts demonstrated that the metal ions were combined with sulfonato-salen ligands to form metal complexes that intercalated in the LDH. The Cr(III) and Cu(II) sulfonato-salen complex-intercalated LDH catalysts were favorable for activation of H₂O₂, promoting the oxidation of glycerol to DHA. It was found that the Cu(II) sulfonato-salen-intercalated LDH catalyst was also beneficial for the dehydrogenation of glycerol, resulting in a high selectivity to DHA. The glycerol conversion and DHA selectivity obtained over the Cu(II) sulfonato-salen-intercalated LDH catalyst reached 40.3% and 52.9% respectively under the optimum reaction conditions of 60 ℃, 4 h and pH value 7.
- glycerol /
- dihydroxyacetone /
- sulfonato-salen metal complexes /
- heterogeneous catalyst /
- selective oxidation

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参考文献(26)

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磺化Salen金属配合物插层水滑石选择性催化氧化甘油制备二羟基丙酮的研究

通讯作者:
赵宁,Tel:0351-4049612,E-mail:zhaoning@sxicc.ac.cn;王峰,Tel:0351-4049612,E-mail:wangf@sxicc.ac.cn。

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Selective oxidation of glycerol to dihydroxyacetone over layer double hydroxide intercalated with sulfonato-salen metal complexes

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磺化Salen金属配合物插层水滑石选择性催化氧化甘油制备二羟基丙酮的研究

通讯作者: 赵宁,Tel:0351-4049612,E-mail:zhaoning@sxicc.ac.cn;王峰,Tel:0351-4049612,E-mail:wangf@sxicc.ac.cn。

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Selective oxidation of glycerol to dihydroxyacetone over layer double hydroxide intercalated with sulfonato-salen metal complexes

计量

出版历程

目录

2023年《燃料化学学报（中英文）》评优结果公布！

通讯作者:
赵宁,Tel:0351-4049612,E-mail:zhaoning@sxicc.ac.cn;王峰,Tel:0351-4049612,E-mail:wangf@sxicc.ac.cn。