The behaviours,use and process technology of anhydrous sodium metasilicate,emphatically the fluid-bed,spraying and fixed-bed drying processes,are reviewed.

• 介绍了偏硅酸钠的性能、用途和生产工艺，着重介绍了沸腾床干燥法、喷雾干燥法和固定床干燥法。