Electroplating sludge derived CuFe2O4/MgFe2O4 metal oxide composites for highly efficient removal of Congo red - Dehui Kong; Jinxiong Wu; Xiuling Yan; Heng Zhang; Azhar Iqbal; Andrei Ivanets; Valentin Romanovski; Lijuan Zhang; Xintai Su (Environmental Science and Pollution Research, 2024)