Search results for "Oxidation reduction potential"

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Monitoring pH and ORP in a SHARON reactor

2011

This paper analyses the valuable information provided by the on-line measurements of pH and oxidation reduction potential (ORP) in a continuous single high ammonia removal over nitrite (SHARON) reactor. A laboratory-scale SHARON reactor equipped with pH, ORP, electric conductivity and dissolved oxygen (DO) probes has been operated for more than one year. Nitrogen removal over nitrite has been achieved by adding methanol at the beginning of anoxic stages. Time evolution of pH and ORP along each cycle allows identifying the decrease in nitritation rate when ammonia is consumed during the aerobic phase and the end of the denitrification process during the anoxic phase. Therefore, monitoring pH…

INGENIERIA HIDRAULICADenitrificationPHLaboratory methodOxidation reduction potentialNitriteOxic conditionsWaste Disposal Fluidchemistry.chemical_compoundDissolved oxygenElectric conductivityBioreactorsElectrical conductivityAnaerobiosisNitriteControl systemWater Science and TechnologyTime evolutionsChemistryPH effectsHydrogen-Ion ConcentrationProbeAnoxic watersNitrificationAerobiosisPartial nitrificationReal timeNitritationEnvironmental chemistryPollutant removalDenitrificationSingle reactor system for high activity ammonium removal over nitrite reactorRedox potentialOxidation-ReductionEnvironmental MonitoringORPOptimizationDetection methodEnvironmental EngineeringOnline monitoringMonitoringAmmonia removalArticleSHARON reactorAnoxic sedimentsAmmoniaReduction potentialAmmoniaOxidationBioreactorAerobic phaseOn-line measurementNitritesTECNOLOGIA DEL MEDIO AMBIENTESHARONMethanolDenitrification processReactorNitrogen removalReal time controlLaboratory scaleMonitoring systemNitrificationProbesMethanolOxidation reduction reactionAnoxic conditions
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