1. In this paper, the predispersed solvent extraction(PDSE)technique was applied to decolorize WPA. 提出用预分散溶剂萃取技术（PDSE）对湿法磷酸进行脱色净化。
2. In the medium of H_2SO_4 and catalyzed by potassium bromide, iodate can oxidize and decolorize methyl orange very well. 基于硫酸介质中，碘酸根在溴化钾的催化作用下对甲基橙有较好的氧化褪色作用。
3. Active carbon was utilized to decolorize the amber product of sucrose thermalization, which was for developing fructo-oligosaccharides. 使用活性炭对蔗糖热聚合产物进行脱色处理。
