The Distribution of Organic Pollutants onto Suspended Sediments, Humic Materials and Fulvic Materials in the Transverse Mixing Zone
An investigation was performed on the importance of the rates of adsorption and desorption of neutral organic pollutants onto sediments and onto the natural dissolved organic materials which reversibly partition onto sediments. Dichlorobenzene exchange rates and equilibrium partitioning onto the ful...
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| Veröffentlicht in: | Water science and technology 1992-01, Vol.25 (11), p.49-56 |
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| creator | Liljestrand, H. M. Lee, Y.-D. |
| description | An investigation was performed on the importance of the rates of adsorption and desorption of neutral organic pollutants onto sediments and onto the natural dissolved organic materials which reversibly partition onto sediments. Dichlorobenzene exchange rates and equilibrium partitioning onto the fulvic acid fraction of natural dissolved organic carbon (DOC) were experimentally determined to be significantly different than that onto the humic acid and humin fraction. From the experimental results, a numerical model of the sorption kinetics was incorporated into a finite difference pollutant transport model consisting of the system of partial differential equations for transport and transfer rates between forms for the free dissolved, bound to sediments, and bound to naturally occurring dissolved organic carbon pollutant concentrations with respect to time and space. The model was applied to the case of hydrophobic species in the transverse mixing zone of fast streams and compared with other formulations for partitioning. The comparison showed that the phase distribution of a pollutant cannot be correctly predicted from simple equilibrium models. |
| doi_str_mv | 10.2166/wst.1992.0272 |
| format | Article |
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M. ; Lee, Y.-D.</creator><contributor>Matsui, S</contributor><creatorcontrib>Liljestrand, H. M. ; Lee, Y.-D. ; Matsui, S</creatorcontrib><description>An investigation was performed on the importance of the rates of adsorption and desorption of neutral organic pollutants onto sediments and onto the natural dissolved organic materials which reversibly partition onto sediments. Dichlorobenzene exchange rates and equilibrium partitioning onto the fulvic acid fraction of natural dissolved organic carbon (DOC) were experimentally determined to be significantly different than that onto the humic acid and humin fraction. From the experimental results, a numerical model of the sorption kinetics was incorporated into a finite difference pollutant transport model consisting of the system of partial differential equations for transport and transfer rates between forms for the free dissolved, bound to sediments, and bound to naturally occurring dissolved organic carbon pollutant concentrations with respect to time and space. The model was applied to the case of hydrophobic species in the transverse mixing zone of fast streams and compared with other formulations for partitioning. The comparison showed that the phase distribution of a pollutant cannot be correctly predicted from simple equilibrium models.</description><identifier>ISSN: 0273-1223</identifier><identifier>EISSN: 1996-9732</identifier><identifier>DOI: 10.2166/wst.1992.0272</identifier><language>eng</language><publisher>London: IWA Publishing</publisher><subject>Dichlorobenzene ; Differential equations ; Dissolved organic carbon ; Distribution ; Formulations ; Freshwater ; Fulvic acids ; Humic acids ; Hydrophobicity ; Kinetics ; Mathematical models ; Organic materials ; Partial differential equations ; Partitioning ; Phase distribution ; Pollutants ; Pollution dispersion ; Pollution transport ; Sediment ; Sediments ; Sorption ; Streams ; Suspended sediments ; Transport ; Transverse mixing</subject><ispartof>Water science and technology, 1992-01, Vol.25 (11), p.49-56</ispartof><rights>Copyright IWA Publishing Jun 1992</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-a348t-4d38e89491bb4243b4b9a83978fd7151900f566b6014110b994a6c99e8df66093</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>309,310,314,776,780,785,786,23909,23910,25118,27901,27902</link.rule.ids></links><search><contributor>Matsui, S</contributor><creatorcontrib>Liljestrand, H. M.</creatorcontrib><creatorcontrib>Lee, Y.-D.</creatorcontrib><title>The Distribution of Organic Pollutants onto Suspended Sediments, Humic Materials and Fulvic Materials in the Transverse Mixing Zone</title><title>Water science and technology</title><description>An investigation was performed on the importance of the rates of adsorption and desorption of neutral organic pollutants onto sediments and onto the natural dissolved organic materials which reversibly partition onto sediments. Dichlorobenzene exchange rates and equilibrium partitioning onto the fulvic acid fraction of natural dissolved organic carbon (DOC) were experimentally determined to be significantly different than that onto the humic acid and humin fraction. From the experimental results, a numerical model of the sorption kinetics was incorporated into a finite difference pollutant transport model consisting of the system of partial differential equations for transport and transfer rates between forms for the free dissolved, bound to sediments, and bound to naturally occurring dissolved organic carbon pollutant concentrations with respect to time and space. The model was applied to the case of hydrophobic species in the transverse mixing zone of fast streams and compared with other formulations for partitioning. The comparison showed that the phase distribution of a pollutant cannot be correctly predicted from simple equilibrium models.</description><subject>Dichlorobenzene</subject><subject>Differential equations</subject><subject>Dissolved organic carbon</subject><subject>Distribution</subject><subject>Formulations</subject><subject>Freshwater</subject><subject>Fulvic acids</subject><subject>Humic acids</subject><subject>Hydrophobicity</subject><subject>Kinetics</subject><subject>Mathematical models</subject><subject>Organic materials</subject><subject>Partial differential equations</subject><subject>Partitioning</subject><subject>Phase distribution</subject><subject>Pollutants</subject><subject>Pollution dispersion</subject><subject>Pollution transport</subject><subject>Sediment</subject><subject>Sediments</subject><subject>Sorption</subject><subject>Streams</subject><subject>Suspended sediments</subject><subject>Transport</subject><subject>Transverse mixing</subject><issn>0273-1223</issn><issn>1996-9732</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1992</creationdate><recordtype>article</recordtype><sourceid>BENPR</sourceid><recordid>eNqFkUFLAzEQRoMoWKtH7wHBk1uTTZpNjlKtFVoqtF68hOxutqZsk5pkq57946boRS-eZph5fMPwADjHaJBjxq7fQhxgIfIByov8APRSzzJRkPwQ9NKIZDjPyTE4CWGNECoIRT3wuXzR8NaE6E3ZReMsdA2c-5WypoKPrm27qGwM0Nno4KILW21rXcOFrs1Gp8UVnHSbhM5U1N6oNkBlazju2t2vobEwpkNLr2zYaR80nJl3Y1fw2Vl9Co6aBOmzn9oHT-O75WiSTef3D6ObaaYI5TGjNeGaCypwWdKckpKWQnEiCt7UBR5igVAzZKxkCFOMUSkEVawSQvO6YQwJ0geX37lb7147HaLcmFDptlVWuy5IzAjnmLP_QcLEMAUm8OIPuHadt-kJiQUlmAnOi0Rl31TlXQheN3LrzUb5D4mR3JuTyZzcm5N7c-QLDF6MMw</recordid><startdate>19920101</startdate><enddate>19920101</enddate><creator>Liljestrand, H. 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M. ; Lee, Y.-D.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a348t-4d38e89491bb4243b4b9a83978fd7151900f566b6014110b994a6c99e8df66093</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1992</creationdate><topic>Dichlorobenzene</topic><topic>Differential equations</topic><topic>Dissolved organic carbon</topic><topic>Distribution</topic><topic>Formulations</topic><topic>Freshwater</topic><topic>Fulvic acids</topic><topic>Humic acids</topic><topic>Hydrophobicity</topic><topic>Kinetics</topic><topic>Mathematical models</topic><topic>Organic materials</topic><topic>Partial differential equations</topic><topic>Partitioning</topic><topic>Phase distribution</topic><topic>Pollutants</topic><topic>Pollution dispersion</topic><topic>Pollution transport</topic><topic>Sediment</topic><topic>Sediments</topic><topic>Sorption</topic><topic>Streams</topic><topic>Suspended sediments</topic><topic>Transport</topic><topic>Transverse mixing</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Liljestrand, H. 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M.</au><au>Lee, Y.-D.</au><au>Matsui, S</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>The Distribution of Organic Pollutants onto Suspended Sediments, Humic Materials and Fulvic Materials in the Transverse Mixing Zone</atitle><jtitle>Water science and technology</jtitle><date>1992-01-01</date><risdate>1992</risdate><volume>25</volume><issue>11</issue><spage>49</spage><epage>56</epage><pages>49-56</pages><issn>0273-1223</issn><eissn>1996-9732</eissn><abstract>An investigation was performed on the importance of the rates of adsorption and desorption of neutral organic pollutants onto sediments and onto the natural dissolved organic materials which reversibly partition onto sediments. Dichlorobenzene exchange rates and equilibrium partitioning onto the fulvic acid fraction of natural dissolved organic carbon (DOC) were experimentally determined to be significantly different than that onto the humic acid and humin fraction. 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| identifier | ISSN: 0273-1223 |
| ispartof | Water science and technology, 1992-01, Vol.25 (11), p.49-56 |
| issn | 0273-1223 1996-9732 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_16388186 |
| source | EZB Electronic Journals Library |
| subjects | Dichlorobenzene Differential equations Dissolved organic carbon Distribution Formulations Freshwater Fulvic acids Humic acids Hydrophobicity Kinetics Mathematical models Organic materials Partial differential equations Partitioning Phase distribution Pollutants Pollution dispersion Pollution transport Sediment Sediments Sorption Streams Suspended sediments Transport Transverse mixing |
| title | The Distribution of Organic Pollutants onto Suspended Sediments, Humic Materials and Fulvic Materials in the Transverse Mixing Zone |
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