The present invention is directed towards a process for working up a reaction mixture selected from aqueous solutions and aqueous slurries, said reaction mixture containing at least one compound (C) selected from methylglycine diacetate, glutamic acid diacetate and from their respective salts, wherein the process according to the invention comprises the step of treating said reaction mixture with at least one inorganic compound (S) bearing at least one sulphur atom with an oxidation number in the range of from 2 to 4.
本发明涉及一种用于处理选自
水溶液和
水淤浆的反应混合物的工艺,所述反应混合物含有至少一种选自二
乙酸甲基甘
氨酸、二
乙酸谷
氨酸及其各自盐类的化合物(C),其中根据本发明的工艺包括用至少一种无机化合物(S)处理所述反应混合物的步骤,所述无机化合物(S)含有至少一个氧化数在 2 至 4 范围内的
硫原子。