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Selective Oxidation of 5‐Hydroxymethylfurfural to 2,5‐Furandicarboxylic Acid over MnO x ‐CeO 2 Supported Palladium Nanocatalyst under Aqueous Conditions
Author(s) -
Yan Changhao,
Song Hongyao,
Zhang Yunlei,
Wei Yanan,
Wang Kai,
Li Bing,
Yuan Shouqi,
Yan Yongsheng
Publication year - 2020
Publication title -
chemistryselect
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.437
H-Index - 34
ISSN - 2365-6549
DOI - 10.1002/slct.202002581
Subject(s) - catalysis , terephthalic acid , palladium , aqueous solution , chemistry , yield (engineering) , adsorption , x ray photoelectron spectroscopy , desorption , nuclear chemistry , organic chemistry , materials science , chemical engineering , polyester , metallurgy , engineering
Selective aerobic oxidation of biomass‐derived 5‐hydroxymethylfurfural (HMF) into high value‐added 2,5‐furandicarboxylic acid (FDCA) is regarded as one of the most attractive biomass transformations due to a wide range of its application prospects, particularly as an important renewable alternative to petroleum‐derived terephthalic acid in the synthesis of useful polymers. Herein, a novel MnO x −CeO 2 (MC) supported palladium catalyst was synthesized and applied for the aerobic oxidation of HMF into FDCA in KHCO 3 aqueous solution. The physical and chemical properties of the obtained catalysts were systematically characterized by TEM, N 2 adsorption and desorption, XRD, TG, XPS, and H 2 ‐TPR characterization methods. And the highest yield of FDCA at 92.5 % was achieved under the optimal reaction conditions. Moreover, regeneration tests revealed the synthesized Pd/MC catalyst can be recovered and reused at least five times without significant loss of catalytic activity. The developed facile reaction system with Pd/MC catalysts offers a new route to large‐scale and economically viable processes for the oxidation of HMF into FDCA.