Janse van Rensburg, S., S. Barnard, and M. Krüger. “The Feasibility of Wastewater Recycling That Includes Residue from Dissolved Air Flotation Within a Drinking Water Treatment Plant: Case Study of Midvaal Water Company, South Africa”. Water SA, vol. 45, no. 3 July, July 2019, doi:10.17159/wsa/2019.v45.i3.6732.