G Model ARTICLE IN PRESS - An-Najah Staff
nanoparticles toward the treatment and recyclability of olive mill pH wastewater, which is crucial for the local olive mill indus-try. Table 1 of differentfresh OMW samples collected from olive mill presses in Palestine. Nablus Qalqilia Jenin COD (mg/L) 153×103 136×103 10×103 pH 5.04 4.41 4.49 2. Materials and methods 2.1. Adsorbent