The factors that influence the decolorizing effects of activated carbon were studied and the influence of ethanol precipitation method on product was discussed in the paper.

• 本文对影响活性炭脱色效果的几个因素进行了研究;并探讨了无水乙醇沉淀法对产品产率的影响,获得了活性炭脱色与无水乙醇沉淀的最佳工艺条件。