丙酸和乳酸插层的 LDHs 制备及其载碳量比较

doi:10.12066/j.issn.1007-2861.2023

上海大学学报(自然科学版) ›› 2020, Vol. 26 ›› Issue (2): 255-262.doi: 10.12066/j.issn.1007-2861.2023

丙酸和乳酸插层的 LDHs 制备及其载碳量比较

生亮¹, 姜莉¹, 叶敏¹, 刘建勇¹(), 钱光人¹, 李玉友¹^,², 许志平¹^,³

1．上海大学环境与化学工程学院, 上海 200444
2．东北大学土木与环境工程系, 仙台 980-8579, 日本
3．昆士兰大学生物工程和纳米技术研究院, 布里斯班 4072, 澳大利亚

收稿日期:2018-04-06 出版日期:2020-04-30 发布日期:2020-04-29
通讯作者: 刘建勇 E-mail:liujianyong@shu.edu.cn
基金资助:
国家自然科学基金资助项目(51578329)

Preparation of propionic acid and lactic acid intercalated LDHs and comparison of loading carbon content

SHENG Liang¹, JIANG Li¹, YE Min¹, LIU Jianyong¹(), QIAN Guangren¹, LI Yuyou¹^,², XU Zhiping¹^,³

^1. School of Environmental and Chemical Engineering, Shanghai University, Shanghai 200444, China
^2. Department of Civil and Environmental Engineering, Tohoku University, Sendai 980-8579, Japan
^3. Institute for Bioengineering and Nanotechnology, the University of Queensland, Brisbane 4072, Australia

Received:2018-04-06 Online:2020-04-30 Published:2020-04-29
Contact: LIU Jianyong E-mail:liujianyong@shu.edu.cn

摘要/Abstract

摘要：

在模拟体系下,采用共沉淀法分别合成了丙酸、乳酸以及二者组成的混酸插层的层状双金属氢氧化物 (layereddouble hydroxides, LDHs). X 射线衍射 (X-ray diffraction,XRD) 图谱和傅里叶红外 (Fourier transform infrared,FTIR) 光谱分析结果表明,3 种 LDHs 样品均符合 Ni/Fe-LDH 的结构特征,并且丙酸和乳酸都成功插层进入 LDHs 层间.C₂H₅COO-LDH 和 C₂H₅COO-C₃H₅O₃-LDH 层间丙酸的载碳量分别为 (2.38±0.07) 和 (2.27±0.05) mmol/g LDH,C₂H₅COO-LDH 和 C₂H₅COO-C₃H₅O₃-LDH 层间乳酸的载碳量分别为 (1.57±0.04) 和 (0.84±0.03) mmol/g LDH.这表明无论是单酸还是混酸插层的 LDHs, 丙酸都比乳酸的插层效果好.

关键词: 层状双金属氢氧化物, 丙酸, 乳酸, 载碳量

Abstract:

Layered double hydroxides (LDHs) intercalated with propionate anions, lactate anions and mixed acid were synthesized with co-precipitation method under the artificial system. Results of X-ray diffraction (XRD) and Fourier transform infrared (FTIR) spectroscopy analysis indicated that the three LDHs samples were coincident with the structure of Ni/Fe-LDH. Additionally, lactate anions and propionate anions were successfully intercalated into LDHs. The loading carbon contents of propionic acid in C₂H₅COO-LDH and C₂H₅COO-C₃H₅O₃-LDH were (2.38±0.07) and (2.27±0.05) mmol/g LDH, respectively, while the loading carbon contents of lactic acid in C₂H₅COO-LDH and C₂H₅COO-C₃H₅O₃-LDH were (1.57±0.04) and (0.84±0.03) mmol/g LDH, respectively, indicating that propionate anion was more competitive than lactate anion to be intercalated into LDHs.

Key words: layered double hydroxides (LDHs), propionic acid, lactic acid, loading carbon content

中图分类号:

X703

生亮, 姜莉, 叶敏, 刘建勇, 钱光人, 李玉友, 许志平. 丙酸和乳酸插层的 LDHs 制备及其载碳量比较[J]. 上海大学学报(自然科学版), 2020, 26(2): 255-262.

SHENG Liang, JIANG Li, YE Min, LIU Jianyong, QIAN Guangren, LI Yuyou, XU Zhiping. Preparation of propionic acid and lactic acid intercalated LDHs and comparison of loading carbon content[J]. Journal of Shanghai University（Natural Science Edition）, 2020, 26(2): 255-262.

图/表 5

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丙酸和乳酸插层的 LDHs 制备及其载碳量比较

Preparation of propionic acid and lactic acid intercalated LDHs and comparison of loading carbon content

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