The process of filter aid ZL application of the large sale of Solvey process of producing soda have been introduced. Results show that filter aid ZL used in Solvay process can decrease the cost of production, enhance soda quality and improve operation.

• 介绍了ZL助滤剂在大规模氨碱法纯碱生产中的应用试验情况，结果表明ZL助滤剂的应用，可明显降 低生产成本，提高作业水平。