Removal of radioactive iodine from water using Ag2O grafted titanate nanolamina as efficient adsorbent

► Ag2O nanocrystals were deposited on titanate nanolamina prepared from TiOSO4. ► The composite is efficient adsorbent for removal of radioactive Iodine from water. ► The adsorbent exhibited a high capacity of 3.4 mmol of iodine per gram of adsorbent in 1 h. ► Ag2O nanocrystals are firmly anchored on the surface of the titanate lamina by coherent interface. ► The adsorbent can be recovered easily for safe disposal and suitable for column adsorption-bed.