DEVICE FOR REMOVING IMPURITY FROM GASEOUS HYDROGEN AND ITS OPERATING METHOD

摘要

PURPOSE: To obtain a device for removing impurities from gaseous hydrogen capable of improving the durability of a gaseous hydrogen treating device and attaining the well compatibility of the coagulation of the moisture in a dehumidifying vessel with adsorbents by a cooler attached to a dehumidifying vessel with the stable occlusion of the hydrogen on the hydrogen occlusion alloy of this gaseous hydrogen treating device. CONSTITUTION: This device for removing impurities from the gaseous hydrogen is constituted by successively connecting a deoxidizing column 2, the dehumidifying column 3 and the gaseous hydrogen treating device 4 to a hydrogen utilizing device 1 which discharges the gaseous hydrogen contg. oxygen and moisture. The deoxidizing column 2 forms moisture by bringing the oxygen and hydrogen into reaction and the gaseous hydrogen treating device 4 houses the hydrogen occlusion alloy. The dehumidifying vessel 3 is constituted by installing the cooler 33 for cooling the adsorbents A to the vessel body 3a packed with the adsorbents A to coagulate the moisture.