The adsorption of methylene blue from wastewater by Moringaoleifera pods and kernels wastes using the response surface methodologyFadimatou Ahmadou, Imane Bencheikh, Meryem Bensemlali, Karima Azoulay, Jamal Mabrouki, Hamid Nasrellah, Said Laasri, Rachid Slimani and Souad El HajjajiEur. Phys. J. Appl. Phys., 98 (2023) 22DOI: https://doi.org/10.1051/epjap/2023220252