Optimization of a dual capture element magnetic separator for the purification of high velocity water flowAbdallah Belounis, Rabia Mehasni, Mehdi Ouili, Mouloud Feliachi and Mohamed El-Hadi LatrecheEur. Phys. J. Appl. Phys., 73 2 (2016) 20601DOI: https://doi.org/10.1051/epjap/2016150372