Article pubs.acs.org/Langmuir
Electroacoustic Isoelectric Point Determinations of Bauxite Refinery Residues: Different Neutralization Techniques and Minor Mineral Effects Tiago S. S. Freire,† Malcolm W. Clark,*,† M. Josick Comarmond,‡ Timothy E. Payne,†,‡ Amanda J. Reichelt-Brushett,†,§ and Gordon J. Thorogood‡ †
School of Environment Science and Engineering, Southern Cross University, P.O. Box 157, Lismore, NSW 2480, Australia Australian Nuclear Science and Technology Organisation, Locked Bag 2001, Kirrawee DC, NSW 2232, Australia § The Marine Ecology Research Centre (MERC), Southern Cross University, P.O. Box 157, Lismore, NSW 2480, Australia ‡
S Supporting Information *
ABSTRACT: Bauxite refinery residue (BRR) is a highly caustic, iron hydroxide-rich byproduct from alumina production. Some chemical treatments of BRR reduce soluble alkalinity and lower residue pH (to values
