An oxidation-reducing reagent for a wet desulfurization process, which comprises (a) one or more compounds selected from the group consisting of salts of substituted anthraquinonesulfonic acids of the general formulas: ##STR1## wherein M stands for a sodium atom, a potassium atom or an ammonium group, and n is an integer of 1 or 2, or (b) a mixture of a salt of anthraquinone-2,7-disulfonic acid and one or more compounds shown by the general formula (I) and/or (II), as well as a process for preparing the compounds of the general formulas (I) and (II).
一种用于湿法脱
硫工艺的氧化还原试剂,包括(a)从下列化合物组成的群体中选出的一种或多种化合物:置换基
蒽醌磺酸盐,其一般公式为:##STR1## 其中M代表
钠原子、
钾原子或
铵基团,n为1或2的整数,或(b)
蒽醌-2,7-二
磺酸盐和一种或多种由一般式(I)和/或(II)所示的化合物混合物,以及制备一般式(I)和(II)化合物的方法。