<p>This study investigates the efficiency of Bentonite-Biochar Composite (BBC) for eliminating glyphosate in a liquid-phase medium. The BBC composite was produced and synthesized using basic components, [Activated Clay (AC) and the carbonization process of local walnut shells (B)]. All adsorbents, including natural walnut shell (W), natural clay (RC), biochar (B), and BBC, were characterized through various techniques such as X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM), energy-dispersive X-ray spectroscopy (EDX), BET surface area analysis, and thermal analysis (TGA, DTG). Different variable parameters, including contact time, sorbent dose, and various concentrations and temperatures, were tested for the adsorption removal of glyphosate. The study illustrates that BBC was more efficient for the adsorption of glyphosate; the ideal biomass dose and contact time of BBC were 0.25 g and 3 h. Also, the pseudo-second order was found to be a better fit for describing the kinetic behavior of the process. The adsorption of glyphosate by BBC was analyzed using nonlinear isotherm models, and the Freundlich model was found to best describe the adsorption process with an average correlation coefficient (<i>R</i>² = 0.98). Thermodynamic parameters indicate that Δ<i>H</i>° is ( 97.64 J mol⁻¹), while Δ<i>S</i>° is (31.075 J mol⁻¹ K⁻¹), and these results suggest the possibility of the adsorption process. The positive value of ΔH° shows that the process is endothermic; the negative value of Δ<i>G</i>° indicates it is a spontaneous process. A real glyphosate-contaminated wastewater sample from Baziyan, Sulaimani, was treated using a BBC composite. The endothermic adsorption process showed enhanced removal efficiency with temperature, reaching 73.4% at 50&#xa0;°C. The results showed that BBC is highly effective for removing glyphosate from the environment.</p>