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

Abstract

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

CLC Number:

X703

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.

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References 20

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

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