α-呋喃甲醛直接电氧化合成α-呋喃甲酸  被引量:1

Synthesis of a-Furoic Acid via Direct Electrooxidation ofα-Furfural

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作  者:姜梅[1] 林海波[1] 孙世涛[1] 董艳杰[1] 刘小波[1] 

机构地区:[1]吉林大学化学学院,吉林长春130021

出  处:《应用基础与工程科学学报》2008年第3期357-362,共6页Journal of Basic Science and Engineering

基  金:国家自然科学基金项目(20573045);国家“863"计划(2006AA06Z321)资助

摘  要:报道了在NaOH溶液中,以α-呋喃甲醛为原料,在Ni电极上直接电氧化制备α-呋喃甲酸.研究了Ni电极对α-呋喃甲醛电氧化反应的电催化活性及电流密度、α-呋喃甲醛浓度、NaOH浓度、温度对选择性和电流效率的影响.发现在α-呋喃甲醛浓度为30mmoL/L,电流密度为0.8mA/cm^2,NaOH浓度为0.25mol/L,反应温度为20℃的条件下,α-呋喃甲酸生成的电流效率为46.4%,选择性为79.9%.In the paper, it was reported that α-Furoic acid was synthesized with the electrooxidation of α-furfural at the Ni electrode in the NaOH solution. The electrocatalytic activity of the Ni electrode for α-furfural synthesis as well as the influences of the current density the concentration of α-furfural, the concentration of NaOH and the temperature on the selectivity and the current efficiency were studied. It was found that when the concentration of α-furfural was 30mmol/L, the current density was 0. 8mA/cm^2, the concentration of NaOH was 0.25 mol/ L and the reaction temperature was 20℃,the current efficiency of g6.9% and the selectivity of 79.9% were obtained.

关 键 词:α-呋喃甲醛 α-呋喃甲酸 电氧化 电合成 

分 类 号:O646[理学—物理化学]

 

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