In this paper, ultrafiltration process of tea extract, decaffeine process by precipitation and adsorption process with XDA-1 macroporus adsorbent resins are studied.
本文对茶叶水提取液的超滤中试过程，沉析法脱咖啡碱及树脂吸附法分离茶多酚、咖啡碱过程进行了实验研究。
参考来源 - 沉析—树脂吸附法生产茶多酚工艺过程研究·2,447,543篇论文数据，部分数据来源于NoteExpress
结果表明，压力增加，沉析颗粒的平均粒度减小；
The results show that the average particle size is decreased with the increasing of pressure.
对钛盐的沉析特性、云母精制、颜料制备进行了探讨。
The precipitation characteristics of titanium salt, refinement of mica and preparation of pigments are studied.
本文采用直接缩聚法制备p BA树脂，用沉析法制备p BA浆粕。
In this paper, PBA resin and pulps have been prepared directly by solution polycondensation and precipitation, separately.
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