| abstract |
A step of separating the dicarboxylic acid or salt thereof from a mixture containing the dicarboxylic acid or salt thereof and one or more other components is provided. In addition, a separation medium useful for the separation step is provided. Specifically, a process is described for preparing aldaric acid such as glucaric acid from glucose, comprising separating aldaric acid from the reaction product. In addition, various glucaric acid products are described. [Selection] Figure 1 |