Magnetite@poly(p-phenylenediamine) core–shell composite modified with salicylaldehyde for adsorption and separation of Mn (VII) from polluted water

Mingming Zheng, Jiajia Ren, Chuanjin Wang, Yong Ma, Jianxu Ding, Tingxi Li, Ashraf Y. Elnaggar, Islam H. El Azab, M.H.H. Mahmoud, Salah M. El‐Bahy, IIwoo Seok, Nithesh Naik, Gourisankar Roymahapatra, Vignesh Murugadoss, Mina Huang, Ben Bin Xu, Zhanhu Guo