A glass column packed with a special packing (la packing) was developed in this work.
采用一种特殊的填料(LA填料)，制成玻璃填充柱。
2
By using this packing the extraction column, drying column and alkali separator were revamped. The separation efficiency and capacity were improved.
用于萃取塔、干燥塔和碱分离器的改造，使分离效率和能力得到改进。
3
The factors affecting flow profile were reviewed and commented including the technique of packingcolumn the design of column head the shape of columns temperature and sample viscosity.