guide plate 9 shares the same horizontal level with the upper end of the main body 1 and the lower end of the guide plate 9 is 2 0 m above the bottom of the main body 1 the outlet weir 12 consists of 8 weir units installed like wheel spokes between the casing of the main body 1 and the guide plate 9 it is 0 4 m below the upper end of the main body 1 and the weir units are designed in perforated form the inclined pipe separator 11 consists of a multiplicity of inclined pipes installed between the casing of the main body 1 and the guide plate 9 2 5 m below the upper end of the main body 1 the diameter of each inclined pipe is 60 mm each pipe has a 50 u00b0 inclination angle and is 1 0 m in length the inclined pipes are made with pe material and their surface loading rate is 4 m 3 m 2 u00b7 h the circular resin collecting sump 10 is 1 0 m above the bottom of the reactor it is 0 8 m in height and its width at the upper end is u2159 of the diameter of the reactor 39 s main body 1 other unmentioned parameters are the same as embodiment 1 the treatment result is also the same as table 2 indicates a mechanically agitated inner circulation reactor for resin ion exchange and adsorption provided in the present invention wherein the upper u2158 part of its main body 1 is.