兰炼催化剂厂滤洗液中固体颗粒分级的研究

对该滤洗液中固体颗粒的特性及分级进行了研究，确定了１２５ｍｍ水力旋流器适宜的结构参数及操作参数，并对影响水力旋流器分级效率的因素进行了分析。试验条件下分级效率可达９５．１８％～９８．９６％。

滤洗液液位控制改进

我厂磷酸生产原设计的滤洗液控制系统如图1所示,其主要问题是滤洗液中间槽液位控制方式欠合理。因为二洗、一洗水量控制是根据滤盘上滤饼吸干情况来决定的。

Research on the Separation and Purification of Cordyceps sinensis polysaccharides by Macro porous Adsorption Resin

In this study, the separation and purification of Cordyceps sinensis polysaccharides by AB-8 and D-280 macro porous ad- sorption resin were researched, the adsorption characters when AB-8 macro porous adsorption resin processed Cordyceps sinensis leachate were determined, and the eluent were bleaching treated by D-280 macro porous adsorption resin. The results showed that the concentration of 2.0mg/mL, pH = 6 at a flow rate of 0.8mL/min. The yielding amount of polysaccharides is 246.4mg, and after decolouring treatment, the final yield is 207.1 mg.