活性炭吸附及喷雾干燥处理对聚乙烯吡咯烷酮K-30产品品质的影响

摘要

用液相色谱法研究了不同材质活性炭对聚乙烯吡咯烷酮（PVP）K-30浆料中有机杂质的吸附能力，探讨了喷雾干燥过程对产品品质的影响，并对聚乙烯吡咯烷酮（PVP）K-30产品中的有色杂质进行了初步的推断和分析，最终通过简单的前处理在实验室阶段生产出了比BASF产品色度更低、残单更少的聚乙烯吡咯烷酮（PVP）K-30产品。%In this paper, the adsorption capacity of different activated carbon for organic impurities in PVP K-30 slurry was studied by liquid chromatography method, then discussed the effect of spray-drying treat- ment for the PVP K-30 Quality, and preliminary infered and analyzed the colored impurities in PVP K-30 products, finally got the PVP K-30 with less color and residual content than BASF＇s product by processing a simple pre-treatment.