A description is made of the technical renovation of the cuprammonia wash column with high - effciency structured packings and new type internals . it has been proved that the sulzer structured packing is good in mass transfer during absorption and shows a bright prospect for its application 介绍了应用高效规整填料与新型塔内件对铜洗塔的技术改造，证实了苏尔寿规整填料在吸收过程中具有良好的传质性能，并具有广阔的应用前景。
