Selective simultaneous photo-Fenton removal of Cr (VI) and methyl orange dye over critical raw material-free fibrous-silica irons catalyst

N.I.H. Hazril, Aishah Abdul Jalil, F.F.A. Aziz, N.S. Hassan, A.A. Fauzi, N.F. Khusnun, N.M. Izzudin, N.W.C. Jusoh, L.P. Teh, Nur Farhana Jaafar, Saravanan Rajendran