| abstract |
(57) [Summary] [Object] To provide a method for efficiently producing a water absorbent resin having a high water absorption capacity, excellent salt resistance, a small amount of soluble components, and high safety. A method for drying an alkylene oxide group-containing water absorbent resin, which comprises drying the water absorbent resin (A) containing an alkylene oxide group in an air stream having an oxygen concentration of 5% by volume or less. |