2019
DOI: 10.15244/pjoes/90624
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Efficiency of Nutrient Removal from Household Wastewater in Nonwoven Bioreactors

Abstract: Nutrient removal is a very important criterion in household sewage treatment systems. The process of sewage treatment must ensure an adequate degree of nutrient reduction from raw sewage, both in municipal treatment plants and in small treatment plants, below 50 PE [1]. The use of membrane bioreactors (MBR) in the treatment of wastewater is limited to small objects with relatively small organic pollutant load.

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Cited by 3 publications
(8 citation statements)
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“…The calculated real velocity of liquid vL was almost two-fold greater; for variant H34, it ranged from 0.5 to 0.54 m/s, while, for variant H84, it was from 1.24 to 1.27 m/s. For variant H34, the gas holdup αG, in the segment from the diffuser (6) to the nozzle pipe H, was approximately 30% greater than for the alternative variant H84. This value was approximately 0.48.…”
Section: Parameters Describing Hydraulic Conditionsmentioning
confidence: 88%
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“…The calculated real velocity of liquid vL was almost two-fold greater; for variant H34, it ranged from 0.5 to 0.54 m/s, while, for variant H84, it was from 1.24 to 1.27 m/s. For variant H34, the gas holdup αG, in the segment from the diffuser (6) to the nozzle pipe H, was approximately 30% greater than for the alternative variant H84. This value was approximately 0.48.…”
Section: Parameters Describing Hydraulic Conditionsmentioning
confidence: 88%
“…where c sT is the oxygen concentration under the measurement conditions (g/m 3 ), τ is the temperature correction factor, equal to c sT /c s20 , where c s20 is the state of oxygen saturation for clean water at 20 • C (c s20 = 9.08 g/m 3 ), Ω is the pressure correction factor, equal to P b /P s , where P b is barometric pressure at the measurement conditions and P s is the pressure value under standard conditions (1 atm), k L a T is the oxygen transfer coefficient at the measurement temperature T (h −1 ), and T is the temperature of measurement ( • C). Standard oxygen transfer efficiency (SOTE) is the percentage amount of oxygen used in relation to the introduced oxygen stream (Equations (6) and 7).…”
Section: Aeration Parametersmentioning
confidence: 99%
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