Fig. 13From: Biosynthesis approach of zinc oxide nanoparticles for aqueous phosphorous removal: physicochemical properties and antibacterial activitiesPhosphorous removal from water: Recovery and reuse of ZnO NPs. The same nanoparticles were washed and reused for 4 times. (a) Reuse of ZnO NPs for 4 times. For each experiment fresh P-solution was used. (b) Recovery of phosphorous after washing with alkaline treatmentBack to article page