Relationship between the electric conductivity and phosphorus concentration variations in an enhanced biological nutrient removal process

Phosphorus release and uptake in a sequencing batch reactor were monitored by the simple online measurements of electric conductivity (EC) and oxidation-reduction potential (ORP), and the result was verified by the measurement of phosphate concentration changes. The influence of nitrate ion presence...

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Veröffentlicht in:Water science and technology : a journal of the International Association on Water Pollution Research. - 1986. - 55(2007), 1-2 vom: 10., Seite 203-8
1. Verfasser: Kim, Kwang-Soo (VerfasserIn)
Weitere Verfasser: Yoo, Ji-Seon, Kim, Sungyoun, Lee, Hee Ja, Ahn, Kwang-Ho, Kim, In S
Format: Aufsatz
Sprache:English
Veröffentlicht: 2007
Zugriff auf das übergeordnete Werk:Water science and technology : a journal of the International Association on Water Pollution Research
Schlagworte:Evaluation Study Journal Article Nitrates Water Pollutants, Chemical Phosphorus 27YLU75U4W
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520 |a Phosphorus release and uptake in a sequencing batch reactor were monitored by the simple online measurements of electric conductivity (EC) and oxidation-reduction potential (ORP), and the result was verified by the measurement of phosphate concentration changes. The influence of nitrate ion presence on the phosphorus removal was evaluated by a jar test operated in the cyclic anaerobic (anoxic)-aerobic condition. The relationships of EC, ORP and metal species with phosphorus concentrations were investigated. Under strict anaerobic conditions, EC showed positive correlation with phosphorus concentrations, but it became negligible under anoxic conditions with nitrate present. Strong inverse correlation was found between ORP values and phosphorus concentration. The increase and decrease of magnesium and potassium ions took place in accordance with phosphorus release and uptake, and the relationship between the metal species and phosphorus changes was clearer in the anaerobic condition than anoxic condition 
650 4 |a Evaluation Study 
650 4 |a Journal Article 
650 7 |a Nitrates  |2 NLM 
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650 7 |a Phosphorus  |2 NLM 
650 7 |a 27YLU75U4W  |2 NLM 
700 1 |a Yoo, Ji-Seon  |e verfasserin  |4 aut 
700 1 |a Kim, Sungyoun  |e verfasserin  |4 aut 
700 1 |a Lee, Hee Ja  |e verfasserin  |4 aut 
700 1 |a Ahn, Kwang-Ho  |e verfasserin  |4 aut 
700 1 |a Kim, In S  |e verfasserin  |4 aut 
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