用季戊四醇下脚料甲酸钠生产草酸的新工艺

The Production of Oxalic Acid from Sodium Formate, the Pentaerythritol Scrap

以季戊四醇下脚料甲酸钠为原料 ,套用以合成甲酸钠为原料的方法生产草酸 ,通过一系列条件试验 ,对原工艺作了重要改进 ,草酸纯度达 99 5% ,收率在 59%以上。

Based on an improvement of old technique, in which the synthetic sodium formate is taken as the raw materials, a new method has been raised for producting oxalic acid from the pentaerythritol scrap, sodium formate. The quality and recovery rate of the product are 99.5% and ≥59%.