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Use of computer simulation for cycle length adjustment in sequencing batch reactor
KTH, Superseded Departments, Land and Water Resources Engineering.
2001 (English)In: Water Science and Technology, ISSN 0273-1223, Vol. 43, no 3, 61-68 p.Article in journal (Refereed) Published
Abstract [en]

The city of Nowy Targ located in Poland's highland operates the WWTP with classic SBR technology. In winter some decrease in process efficiency was observed. The research described in the paper was aimed at using computer simulation to adjust SBR cycle length and structure in order to minimize the effects of low wastewater temperature on biological CNP removal. The simulations performed at 6 degreesC wastewater temperature showed that switching from 6 to 8 hours cycle and extension of the aeration phase length from 2.75 to 5 hours will increase the effectiveness of biological nitrification and biological phosphorus removal. The change in practice will not affect COD value in the effluent. Based on the simulation results a new SBR operational strategy was proposed for Nowy Targ WWTP.

Place, publisher, year, edition, pages
2001. Vol. 43, no 3, 61-68 p.
Keyword [en]
activated sludge, computer simulation, nutrient removal, sequencing batch reactor, wastewater, tannery waste-water, municipal
URN: urn:nbn:se:kth:diva-20510ISI: 000167944600009OAI: diva2:339205
QC 20100525Available from: 2010-08-10 Created: 2010-08-10Bibliographically approved

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Plaza, Elzbieta
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