By using this packing the extraction column, dryingcolumn 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。
2
The operating features of the furfural dryingcolumn and the aqueous solution stripper were discussed by utilizing the calculation result from the model.
利用模型计算的结果讨论了糠醛干燥塔和水溶液汽提塔的操作特性。
3
The drying of calcium carbonate made with nano-technology is currently by the methods such as baking at baking shop, drying at rotating column, spraying baking, flash drying and band-type baking.