Superior grade white gtanulated sugar was suceexssfully ptoduced for export by phospho-sulfitation doublc-flotation process in Putian sugar mill ,cven with poor quality raw sugar.

• 福建莆田糖厂采用亚磷双浮法生产优级白砂糖，实践表明，在原糖质量较低情况下，全部产品也达到出口优级白砂糖的质量标准。