Waste oxalic acid slime produces which with the production oxalic acid,which mainly contained steps of conversion by heating,dissolving in nitric acid and combination with sodium bichromate.

• 用生产草酸产生的废草酸泥渣,通过采用以加热转化,硝酸溶解提取,重铬酸钠合成为主要步骤的制备新工艺,用草酸泥渣制得了铬酸铅。