引言乙醛酸是一种最简单的醛酸,广泛应用于香料、医药、农药、涂料、皮革、造纸、食品添加剂、光谱学研究等各个领域。目前多采用电解法合成乙醛酸,包括草酸阴极还原法和乙二醛阳极氧化法。这些方法具有工艺简单,操作条件温和,无污 Introduction Glyoxylic acid is one of the simplest aldonic acids widely used in various fields such as perfumes, medicine, pesticides, coatings, leather, paper making, food additives, spectroscopy and so on. The current use of electrolytic synthesis of glyoxylic acid, including oxalate cathode reduction method and glyoxal anodic oxidation. These methods have a simple process, mild operating conditions, no pollution