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根据盐析原理采用正交试验的方法选择了分离2．6；2．7──葱醌二磺酸钠的最佳工艺条件和参数，取得了经济效益和社会效益。
According to the principle of salting out, the method of orthogonal experiment was used to select the separation 2.6; 2.7──The optimum technological conditions and parameters of sodium desquinose disulfonate were obtained, and the economic and social benefits were obtained.