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Browsing by Author "Ekama, G A"

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Biodegradability of wastewater and activated sludge organics in anaerobic digestion

Author: Ikumi, D S ; Harding, T H ; Ekama, G A Date: 2014 The investigation provides experimental evidence that the unbiodegradable particulate organics fractions of primary sludge and waste activated sludge calculated from activated sludge models remain essentially unbiodegradable in anaerobic ... Read more
Fullscale implementation of external nitrification biological nutrient removal in the Daspoort Water Care Works

Author: Muller, A W ; Wentzel, M C ; Saayman, G B ; Van de Merwe, S A ; Esterhuyse, C M ; Snyman, J S ; Ekama, G A Date: 2004 In the external nitrification (EN) biological nutrient removal (BNR) activated sludge (AS) system, the nitrification process is removed from the main BNRAS system to a fixed media system external to the AS system (Hu et al., 2003). The ENBNRAS ... Read more
Modelling organic material in activated sludge systems

Author: Ekama, G A ; Wentzel, M C Date: 2004 A simple predictive model for the activated sludge reactor inorganic suspended solids (ISS) concentration is presented. It is based on the accumulation of influent ISS in the reactor and an ordinary heterotrophic organism (OHO) ISS content ... Read more
Sulphate measurement in organic-rich solutions: Carbonate fusion pretreatment to remove organic interferences

Author: Ristow, N E ; Sotemann, S W ; Wentzel, M C ; Loewenthal, R E ; Ekama, G A Date: 2005 Sulphate measurement using a barium sulphate turbidimetric method in solutions with high concentrations of organic material is shown to be problematic. The organics give background colour, which introduces a positive error to the measured ... Read more
The effect of dosing unstabilized landfill leachate to a nutrient removal activated sludge system

Author: Sneyders, Michael James Date: 1998 Read more

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Browsing by Author "Ekama, G A"

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