So, this process had to be modified. At present, the retrofit options include replacing the float valve tower with packed column and increasing the height and diameter of the tower.
现有的改造方法是将浮阀塔改为填料塔，增加原塔高和塔径，但存在改造工作量大，费用高，有时会受现场条件的限制等缺点。
参考来源 - 尿素解吸塔清洁生产/工艺优化及控制研究In chapter 4, the residual organic solvents in Dexamethasone Sodium Phosphate was determined with packed column GC.
第四章应用填充柱气相色谱法对地塞米松磷酸钠中有机溶剂残留量进行了测定。
参考来源 - 气相色谱在有机痕量分析中的应用Green design of a process for extracting caprolactam from ammonium sulphate solution using a pulsed packed column in a chemical Corporation are achieved by using of the TEIP indicator.
应用化学物质的环境影响综合因子，对某公司脉冲填料塔进行绿色设计，用于硫酸铵母液中己内酰胺的萃取，得到较好的结果。
参考来源 - 化学物质对环境影响的综合因子The result of packed column continuous adsorptive experiments implied that when flow rate were 150ml/h and 250ml/h the quantity of treatment waste water were 7.2 and 11.5L,respectively by one time.
填充柱吸附工艺可连续处理含Cr模拟废水,当流速为150ml/h和250 ml/h时填充柱一次稳定处理的废水量分别为7.2L和11.5L。
参考来源 - 高效重金属生物吸附剂的廉价制备及应用研究·2,447,543篇论文数据，部分数据来源于NoteExpress
A liquid spinning distributor for packed column is presented in this paper.
本文介绍了一种填料塔旋转液体分布器。
One type of equipment to carry out the purification process is a packed column.
执行洗净过程的设备的一个类型是一个被包装的专栏。
Finally, a method for calculating the efficiency of practical packed column is given.
本文提供了一种计算真实填料塔效率的方法。
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