The present invention relates to a method for heat-treating water-absorbing polymeric particles at a temperature equal to or above 150 ℃ in a fluidized bed dryer at a fast heat-up rate, the use of a fluidized bed dryer for heat-treating water-absorbing polymeric particles in continuous or batch mode as well as to the heat-treated polymeric particles obtained by the method of the present invention.本發明係關於一種以高加熱速率於流體化床乾燥器中在等於或高於150℃之溫度下熱處理吸水性聚合物顆粒的方法;以連續式或批式熱處理吸水性聚合物顆粒之流體化床乾燥器之用途,以及由本發明方法所得到之熱處理過的聚合物顆粒。1‧‧‧流體化室2‧‧‧充氣室3‧‧‧氣體分散底板4‧‧‧冷卻室5‧‧‧產物裝載系統/產物輸入口6‧‧‧產物釋放系統/產物輸出口7‧‧‧氣體加熱器8‧‧‧過濾系統9‧‧‧經回收過濾氣體流10‧‧‧經釋放氣體流11‧‧‧以氮氣或惰性氣體吹洗乾燥隔室的工具12‧‧‧熱交換器13‧‧‧從排氣氣流分離的淘洗細粒14‧‧‧乾燥氣體
