Preparation of effective lithium-ion sieve from sludge-generated TiO2 Author links open overlay panelSayed MukitHossainaIdrisIbrahimaYoungwooChooaAmirRazmjouaGayathriNaiduaLeonardTijingaJong-HoKimbHo KyongShona a Faculty of Engineering and IT, University of Technology, Sydney, P.O. Box 123, Broadway, NSW 2007, Australia b School of Chemical Engineering, Chonnam National University, 77 Yongbong-ro, Buck-gu, Gwangju 61186, Republic of Korea