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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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| Published in: | Water science and technology 2007, Vol.55 (1-2), p.203-208 |
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| Main Authors: | , , , , , |
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| Language: | English |
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| cited_by | cdi_FETCH-LOGICAL-c412t-12686c1b69027a5771acbdaada3251071027a85d21b49d6a63be9f460745760b3 |
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| container_end_page | 208 |
| container_issue | 1-2 |
| container_start_page | 203 |
| container_title | Water science and technology |
| container_volume | 55 |
| creator | Kim, Kwang-Soo Yoo, Ji-Seon Kim, Sungyoun Lee, Hee Ja Ahn, Kwang-Ho Kim, In S |
| description | 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. |
| doi_str_mv | 10.2166/wst.2007.053 |
| format | article |
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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.</description><identifier>ISSN: 0273-1223</identifier><identifier>ISBN: 9781843395812</identifier><identifier>ISBN: 1843395819</identifier><identifier>EISSN: 1996-9732</identifier><identifier>DOI: 10.2166/wst.2007.053</identifier><identifier>PMID: 17305141</identifier><language>eng</language><publisher>England: IWA Publishing</publisher><subject>Aerobic conditions ; Anaerobic conditions ; Anaerobiosis ; Anoxia ; Anoxic conditions ; Batch reactors ; Biological activity ; Bioreactors ; Correlation ; Electric Conductivity ; Electrical resistivity ; Jar tests ; Magnesium ; Metal concentrations ; Metals ; Mineral nutrients ; Nitrates - chemistry ; Nitrates - metabolism ; Nutrient concentrations ; Nutrient release ; Nutrient removal ; Oxidation ; Oxidation-Reduction ; Oxidation-reduction potential ; Phosphates ; Phosphorus ; Phosphorus - analysis ; Phosphorus - isolation & purification ; Phosphorus - metabolism ; Phosphorus removal ; Potassium ; Redox potential ; Redox reactions ; Removal ; Time Factors ; Uptake ; Water Pollutants, Chemical - analysis ; Water Pollutants, Chemical - isolation & purification ; Water Pollutants, Chemical - metabolism ; Water Purification - methods</subject><ispartof>Water science and technology, 2007, Vol.55 (1-2), p.203-208</ispartof><rights>Copyright IWA Publishing Jan 2007</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c412t-12686c1b69027a5771acbdaada3251071027a85d21b49d6a63be9f460745760b3</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,778,782,4012,27910,27911,27912</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/17305141$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><contributor>Cho, J</contributor><contributor>Kim, S (eds)</contributor><contributor>Kim, IS</contributor><creatorcontrib>Kim, Kwang-Soo</creatorcontrib><creatorcontrib>Yoo, Ji-Seon</creatorcontrib><creatorcontrib>Kim, Sungyoun</creatorcontrib><creatorcontrib>Lee, Hee Ja</creatorcontrib><creatorcontrib>Ahn, Kwang-Ho</creatorcontrib><creatorcontrib>Kim, In S</creatorcontrib><title>Relationship between the electric conductivity and phosphorus concentration variations in an enhanced biological nutrient removal process</title><title>Water science and technology</title><addtitle>Water Sci Technol</addtitle><description>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.</description><subject>Aerobic conditions</subject><subject>Anaerobic conditions</subject><subject>Anaerobiosis</subject><subject>Anoxia</subject><subject>Anoxic conditions</subject><subject>Batch reactors</subject><subject>Biological activity</subject><subject>Bioreactors</subject><subject>Correlation</subject><subject>Electric Conductivity</subject><subject>Electrical resistivity</subject><subject>Jar tests</subject><subject>Magnesium</subject><subject>Metal concentrations</subject><subject>Metals</subject><subject>Mineral nutrients</subject><subject>Nitrates - chemistry</subject><subject>Nitrates - metabolism</subject><subject>Nutrient concentrations</subject><subject>Nutrient release</subject><subject>Nutrient removal</subject><subject>Oxidation</subject><subject>Oxidation-Reduction</subject><subject>Oxidation-reduction potential</subject><subject>Phosphates</subject><subject>Phosphorus</subject><subject>Phosphorus - analysis</subject><subject>Phosphorus - isolation & purification</subject><subject>Phosphorus - metabolism</subject><subject>Phosphorus removal</subject><subject>Potassium</subject><subject>Redox potential</subject><subject>Redox reactions</subject><subject>Removal</subject><subject>Time Factors</subject><subject>Uptake</subject><subject>Water Pollutants, Chemical - analysis</subject><subject>Water Pollutants, Chemical - isolation & purification</subject><subject>Water Pollutants, Chemical - metabolism</subject><subject>Water Purification - 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between the electric conductivity and phosphorus concentration variations in an enhanced biological nutrient removal process</title><author>Kim, Kwang-Soo ; Yoo, Ji-Seon ; Kim, Sungyoun ; Lee, Hee Ja ; Ahn, Kwang-Ho ; Kim, In S</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c412t-12686c1b69027a5771acbdaada3251071027a85d21b49d6a63be9f460745760b3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2007</creationdate><topic>Aerobic conditions</topic><topic>Anaerobic conditions</topic><topic>Anaerobiosis</topic><topic>Anoxia</topic><topic>Anoxic conditions</topic><topic>Batch reactors</topic><topic>Biological activity</topic><topic>Bioreactors</topic><topic>Correlation</topic><topic>Electric Conductivity</topic><topic>Electrical resistivity</topic><topic>Jar tests</topic><topic>Magnesium</topic><topic>Metal concentrations</topic><topic>Metals</topic><topic>Mineral nutrients</topic><topic>Nitrates - 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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.</abstract><cop>England</cop><pub>IWA Publishing</pub><pmid>17305141</pmid><doi>10.2166/wst.2007.053</doi><tpages>6</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0273-1223 |
| ispartof | Water science and technology, 2007, Vol.55 (1-2), p.203-208 |
| issn | 0273-1223 1996-9732 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_19584911 |
| source | Alma/SFX Local Collection |
| subjects | Aerobic conditions Anaerobic conditions Anaerobiosis Anoxia Anoxic conditions Batch reactors Biological activity Bioreactors Correlation Electric Conductivity Electrical resistivity Jar tests Magnesium Metal concentrations Metals Mineral nutrients Nitrates - chemistry Nitrates - metabolism Nutrient concentrations Nutrient release Nutrient removal Oxidation Oxidation-Reduction Oxidation-reduction potential Phosphates Phosphorus Phosphorus - analysis Phosphorus - isolation & purification Phosphorus - metabolism Phosphorus removal Potassium Redox potential Redox reactions Removal Time Factors Uptake Water Pollutants, Chemical - analysis Water Pollutants, Chemical - isolation & purification Water Pollutants, Chemical - metabolism Water Purification - methods |
| title | Relationship between the electric conductivity and phosphorus concentration variations in an enhanced biological nutrient removal process |
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