1. Principles and potential of the anaerobic digestion of waste-activated sludge;Appels;Prog. Energy Combust. Sci.,2008
2. How good is your mixing;Tenney;Water Wastes Eng.,1972
3. Clear model fluids to emulate the rheological properties of thickened digested sludge;Eshtiaghi;Water Res.,2012
4. S.R. Qasim, Wastewater Treatment Plants: Planning. Design and Operation, second edition, CRC Press, Boca Raton, 1999.
5. M. Dawson, J. Christodaulides, N. Fawcett, C. Brade, A comparison of mixing systems in a model anaerobic digester, in: Aqua-Enviro. (Ed.) A Comparison of Mixing Systems in a Model Anaerobic Digester. 5th European Biosolids and Organic Residuals Conference, Wakefield, UK, 2000.