2019
DOI: 10.1016/j.apenergy.2018.11.101
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A novel index of total oxygen demand for the comprehensive evaluation of energy consumption for urban wastewater treatment

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Cited by 67 publications
(31 citation statements)
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“…However, the high energy consumption of aeration in the activated sludge system leads to an increase in operation costs. The mean energy consumption of a conventional wastewater treatment plant ranges between 0.1-1.89 kWh/m 3 (Hey et al, 2018;Kimura et al, 2017;L. Luo et al, 2019;Mizuta and Shimada, 2010;Plappally and Lienhard V, 2012;Wan et al, 2016;Zhang et al, 2016).…”
Section: Conventional Activated Sludge Methodsmentioning
confidence: 99%
“…However, the high energy consumption of aeration in the activated sludge system leads to an increase in operation costs. The mean energy consumption of a conventional wastewater treatment plant ranges between 0.1-1.89 kWh/m 3 (Hey et al, 2018;Kimura et al, 2017;L. Luo et al, 2019;Mizuta and Shimada, 2010;Plappally and Lienhard V, 2012;Wan et al, 2016;Zhang et al, 2016).…”
Section: Conventional Activated Sludge Methodsmentioning
confidence: 99%
“…Biological nutrient removal (BNR) is the most common process implemented for simultaneous P and N removal, typically through sequential zones in activated sludge systems: anaerobic for carbon uptake and P release; anoxic for heterotrophic denitrification and P uptake; and aerobic for nitrification and P uptake. Such BNR systems require intensive O 2 supply, often accounting for approximately 60% of WWTPs energy costs [4,5].…”
Section: Introductionmentioning
confidence: 99%
“…In municipal wastewater treatment plants (WWTPs) ammonium undergoes full nitrification, a process with a considerable effect on the design, footprint and costs (Jaramillo et al, 2018). In particular, very high electrical energy is required to supply a large amount of external oxygen for nitrification (Åmand et al, 2013;Luo et al, 2019).…”
Section: Introductionmentioning
confidence: 99%