This work reports the removal of methylene blue (MB) and direct blue 108 (DB108) dyes from aqueous solutions and industrial wastewaters using a triazine-based porous organic polymer. Also, the characteristics of this synthetic adsorbent were studied using different methods such as Fourier Transform Infrared Spectroscopy (FTIR), X-ray Diffraction Analysis (XRD), Scanning Electron Microscopy (FE-SEM), Energy-Dispersive X-ray Spectroscopy (EDX-mapping), Brunauer–Emmett–Teller method (BET), and Thermogravimetric Analysis (TGA). After performing theses analysis, we examined the effect of various factors on the adsorption capacity of the polymer. These factors consist of pH, within the range of 3 to 9, primary concentration of the dyes (0.5-200 mg/L), adsorbent dosage (0.001 to 0.02 g), temperature (10-50 degrees centigrade), contact time (5-120 min), and presence of electrolyte (0.001 to 1.000 mol). We also studied the simultaneous adsorption of MB and DB108. Last part of the study concerns methods of recycling the adsorbent. The optimal results for adsorption for given concentrations of MB and DB108, were achieved by using 0.01 g of the adsorbent with pH=7 in temperature of 25 and contact time of 5 min. The detection limit of the method, found to be 0.002 and .003 mg/l for MB and DB 108, respectively.The obtained results for MB dye follow Temkin isotherm model while the DB108 matches with Langmuir isotherm model. The empirical results for maximum adsorption capacity of MB found to be 48.1 mg/g and Langmuir isotherm show the maximum adsorption capacity for DB108 to be 25.64 mg/g. We also studied the kinetic of the adsorption of both MB and DB108 on thetriazine-based porous organic polymer. The obtained data illustrates that kinetics of this interaction obeys the second-order kinetic model for both dyes. In simultaneous removal of MB and DB10, triazine porous organic polymer shows a 99% removal efficiency. All results signify that a triazine-based porous organic polymer has a great adsorption ability for MB and DB108 from industrial wastewater. Results demonstrated a 99% efficacy level for the adsorbent after the third recycling, using Methanol.