Using fundamental hydrogeological equations to monitor the effects of clogging and media consolidation on the hydraulic regime of a vertical subsurface flow treatment system
The design of passive biological filters has evolved and current design practices are predominantly based on flow (either horizontal or vertical) through porous media. To date, no method has been developed to accurately estimate the effective life expectancy of these types of treatment systems, nor...
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| Veröffentlicht in: | Journal of environmental management 2013-03, Vol.118, p.11-20 |
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| creator | Speer, Sean Champagne, Pascale Anderson, Bruce |
| description | The design of passive biological filters has evolved and current design practices are predominantly based on flow (either horizontal or vertical) through porous media. To date, no method has been developed to accurately estimate the effective life expectancy of these types of treatment systems, nor have non-intrusive methods to determine the extent of substratum clogging been perfected. This research presents the results of tracer studies on various stages of two hybrid-passive landfill leachate treatment systems: an aerated pretreatment system followed by two different types of vertical-flow through porous media treatment systems. The tracer studies were used to assess changes in the active volumes of the different stages of the leachate treatment systems over a 9-month period. An analytical method, employing the governing equations for flow through porous media, was used to quantify the changes in saturated hydraulic conductivity in the treatment system cells. The results from the analytical method were combined with the results from the tracer study to further the understanding of the flow and mixing within the treatment system cells.
► Two constructed wetlands were analyzed to determine effect of substratum clogging. ► Tracer responses could not quantify the effect of clogging in constructed wetlands. ► A time-lagged flux model was created to quantify changes in hydraulic conductivity. ► Rate of change in hydraulic conductivity decreased with system operation. |
| doi_str_mv | 10.1016/j.jenvman.2012.12.039 |
| format | Article |
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► Two constructed wetlands were analyzed to determine effect of substratum clogging. ► Tracer responses could not quantify the effect of clogging in constructed wetlands. ► A time-lagged flux model was created to quantify changes in hydraulic conductivity. ► Rate of change in hydraulic conductivity decreased with system operation.</description><identifier>ISSN: 0301-4797</identifier><identifier>EISSN: 1095-8630</identifier><identifier>DOI: 10.1016/j.jenvman.2012.12.039</identifier><identifier>PMID: 23376342</identifier><identifier>CODEN: JEVMAW</identifier><language>eng</language><publisher>Kidlington: Elsevier Ltd</publisher><subject>Animal, plant and microbial ecology ; Applied ecology ; biofilters ; Biological and medical sciences ; Conductivity ; Conservation, protection and management of environment and wildlife ; Constructed wetlands ; Environmental economics ; Environmental management ; Environmental Monitoring - methods ; equations ; Filtration ; Fundamental and applied biological sciences. Psychology ; General aspects ; Hydraulic conductivity ; Hydraulic regimes ; Hydraulics ; In-situ monitoring ; landfill leachates ; Life expectancy ; longevity ; Media ; mixing ; Models, Chemical ; Monitoring ; Ontario ; Porosity ; Porous materials ; porous media ; saturated hydraulic conductivity ; subsurface flow ; Tracer response ; Vertical flow ; Waste Disposal, Fluid - methods ; Water Pollutants, Chemical - analysis ; Water Pollutants, Chemical - chemistry ; Water transport</subject><ispartof>Journal of environmental management, 2013-03, Vol.118, p.11-20</ispartof><rights>2013 Elsevier Ltd</rights><rights>2014 INIST-CNRS</rights><rights>Copyright © 2013 Elsevier Ltd. All rights reserved.</rights><rights>Copyright Academic Press Ltd. Mar 30, 2013</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c513t-cba0f4c2e3f40cff6f09b22b6075539a2cdc9119ce8605b21eb5d0bffac3ef033</citedby><cites>FETCH-LOGICAL-c513t-cba0f4c2e3f40cff6f09b22b6075539a2cdc9119ce8605b21eb5d0bffac3ef033</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.jenvman.2012.12.039$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3549,27923,27924,45994</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=27179971$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/23376342$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Speer, Sean</creatorcontrib><creatorcontrib>Champagne, Pascale</creatorcontrib><creatorcontrib>Anderson, Bruce</creatorcontrib><title>Using fundamental hydrogeological equations to monitor the effects of clogging and media consolidation on the hydraulic regime of a vertical subsurface flow treatment system</title><title>Journal of environmental management</title><addtitle>J Environ Manage</addtitle><description>The design of passive biological filters has evolved and current design practices are predominantly based on flow (either horizontal or vertical) through porous media. To date, no method has been developed to accurately estimate the effective life expectancy of these types of treatment systems, nor have non-intrusive methods to determine the extent of substratum clogging been perfected. This research presents the results of tracer studies on various stages of two hybrid-passive landfill leachate treatment systems: an aerated pretreatment system followed by two different types of vertical-flow through porous media treatment systems. The tracer studies were used to assess changes in the active volumes of the different stages of the leachate treatment systems over a 9-month period. An analytical method, employing the governing equations for flow through porous media, was used to quantify the changes in saturated hydraulic conductivity in the treatment system cells. The results from the analytical method were combined with the results from the tracer study to further the understanding of the flow and mixing within the treatment system cells.
► Two constructed wetlands were analyzed to determine effect of substratum clogging. ► Tracer responses could not quantify the effect of clogging in constructed wetlands. ► A time-lagged flux model was created to quantify changes in hydraulic conductivity. ► Rate of change in hydraulic conductivity decreased with system operation.</description><subject>Animal, plant and microbial ecology</subject><subject>Applied ecology</subject><subject>biofilters</subject><subject>Biological and medical sciences</subject><subject>Conductivity</subject><subject>Conservation, protection and management of environment and wildlife</subject><subject>Constructed wetlands</subject><subject>Environmental economics</subject><subject>Environmental management</subject><subject>Environmental Monitoring - methods</subject><subject>equations</subject><subject>Filtration</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>General aspects</subject><subject>Hydraulic conductivity</subject><subject>Hydraulic regimes</subject><subject>Hydraulics</subject><subject>In-situ monitoring</subject><subject>landfill leachates</subject><subject>Life expectancy</subject><subject>longevity</subject><subject>Media</subject><subject>mixing</subject><subject>Models, Chemical</subject><subject>Monitoring</subject><subject>Ontario</subject><subject>Porosity</subject><subject>Porous materials</subject><subject>porous media</subject><subject>saturated hydraulic conductivity</subject><subject>subsurface flow</subject><subject>Tracer response</subject><subject>Vertical flow</subject><subject>Waste Disposal, Fluid - methods</subject><subject>Water Pollutants, Chemical - analysis</subject><subject>Water Pollutants, Chemical - chemistry</subject><subject>Water transport</subject><issn>0301-4797</issn><issn>1095-8630</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2013</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqNkl2L1DAUhoso7rj6E9SACN50zEfTNlcii1-w4IXOdUjTk25Km-wm6cj8KP-j6cyo4I0LB0Lged9zkvMWxXOCtwST-u24HcHtZ-W2FBO6zYWZeFBsCBa8bGuGHxYbzDApq0Y0F8WTGEeMMaOkeVxcUMaamlV0U_zcResGZBbXqxlcUhO6OfTBD-AnP1id73C3qGS9iyh5NHtnkw8o3QACY0CniLxBOsPDaqRcj2borUI6K_xk-6MW5Volq7daJqtRgMHOsGoV2kNIx1Zx6eISjNKAzOR_oBRApXUsFA8xwfy0eGTUFOHZ-bwsdh8_fL_6XF5__fTl6v11qTlhqdSdwqbSFJipsDamNlh0lHY1bjhnQlHda0GI0NDWmHeUQMd73JncmIHBjF0Wb06-t8HfLRCTnG3UME3KgV-iJIzjthWci3uglLW4rji9B0qallNBV9dX_6CjX4LLbz5SpCWNWMfkJ0oHH2MAI2-DnVU4SILlmhI5ynNK5JoSmSunJOtenN2XLi_rj-p3LDLw-gyomPdignLaxr9ck9uLhmTu5Ykzyks1hMzsvuVOPEeNcH78yXcnAvK69haCjNqC0zkiIYdH9t7-Z9hfFl7qeQ</recordid><startdate>20130330</startdate><enddate>20130330</enddate><creator>Speer, Sean</creator><creator>Champagne, Pascale</creator><creator>Anderson, Bruce</creator><general>Elsevier Ltd</general><general>Elsevier</general><general>Academic Press Ltd</general><scope>FBQ</scope><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QH</scope><scope>7SN</scope><scope>7ST</scope><scope>7UA</scope><scope>8BJ</scope><scope>C1K</scope><scope>F1W</scope><scope>FQK</scope><scope>H97</scope><scope>JBE</scope><scope>L.G</scope><scope>SOI</scope><scope>7X8</scope><scope>7TG</scope><scope>7U6</scope><scope>KL.</scope></search><sort><creationdate>20130330</creationdate><title>Using fundamental hydrogeological equations to monitor the effects of clogging and media consolidation on the hydraulic regime of a vertical subsurface flow treatment system</title><author>Speer, Sean ; Champagne, Pascale ; Anderson, Bruce</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c513t-cba0f4c2e3f40cff6f09b22b6075539a2cdc9119ce8605b21eb5d0bffac3ef033</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2013</creationdate><topic>Animal, plant and microbial ecology</topic><topic>Applied ecology</topic><topic>biofilters</topic><topic>Biological and medical sciences</topic><topic>Conductivity</topic><topic>Conservation, protection and management of environment and wildlife</topic><topic>Constructed wetlands</topic><topic>Environmental economics</topic><topic>Environmental management</topic><topic>Environmental Monitoring - methods</topic><topic>equations</topic><topic>Filtration</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>General aspects</topic><topic>Hydraulic conductivity</topic><topic>Hydraulic regimes</topic><topic>Hydraulics</topic><topic>In-situ monitoring</topic><topic>landfill leachates</topic><topic>Life expectancy</topic><topic>longevity</topic><topic>Media</topic><topic>mixing</topic><topic>Models, Chemical</topic><topic>Monitoring</topic><topic>Ontario</topic><topic>Porosity</topic><topic>Porous materials</topic><topic>porous media</topic><topic>saturated hydraulic conductivity</topic><topic>subsurface flow</topic><topic>Tracer response</topic><topic>Vertical flow</topic><topic>Waste Disposal, Fluid - methods</topic><topic>Water Pollutants, Chemical - analysis</topic><topic>Water Pollutants, Chemical - chemistry</topic><topic>Water transport</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Speer, Sean</creatorcontrib><creatorcontrib>Champagne, Pascale</creatorcontrib><creatorcontrib>Anderson, Bruce</creatorcontrib><collection>AGRIS</collection><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Aqualine</collection><collection>Ecology Abstracts</collection><collection>Environment Abstracts</collection><collection>Water Resources Abstracts</collection><collection>International Bibliography of the Social Sciences (IBSS)</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>International Bibliography of the Social Sciences</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 3: Aquatic Pollution & Environmental Quality</collection><collection>International Bibliography of the Social Sciences</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>Environment Abstracts</collection><collection>MEDLINE - Academic</collection><collection>Meteorological & Geoastrophysical Abstracts</collection><collection>Sustainability Science Abstracts</collection><collection>Meteorological & Geoastrophysical Abstracts - Academic</collection><jtitle>Journal of environmental management</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Speer, Sean</au><au>Champagne, Pascale</au><au>Anderson, Bruce</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Using fundamental hydrogeological equations to monitor the effects of clogging and media consolidation on the hydraulic regime of a vertical subsurface flow treatment system</atitle><jtitle>Journal of environmental management</jtitle><addtitle>J Environ Manage</addtitle><date>2013-03-30</date><risdate>2013</risdate><volume>118</volume><spage>11</spage><epage>20</epage><pages>11-20</pages><issn>0301-4797</issn><eissn>1095-8630</eissn><coden>JEVMAW</coden><abstract>The design of passive biological filters has evolved and current design practices are predominantly based on flow (either horizontal or vertical) through porous media. To date, no method has been developed to accurately estimate the effective life expectancy of these types of treatment systems, nor have non-intrusive methods to determine the extent of substratum clogging been perfected. This research presents the results of tracer studies on various stages of two hybrid-passive landfill leachate treatment systems: an aerated pretreatment system followed by two different types of vertical-flow through porous media treatment systems. The tracer studies were used to assess changes in the active volumes of the different stages of the leachate treatment systems over a 9-month period. An analytical method, employing the governing equations for flow through porous media, was used to quantify the changes in saturated hydraulic conductivity in the treatment system cells. The results from the analytical method were combined with the results from the tracer study to further the understanding of the flow and mixing within the treatment system cells.
► Two constructed wetlands were analyzed to determine effect of substratum clogging. ► Tracer responses could not quantify the effect of clogging in constructed wetlands. ► A time-lagged flux model was created to quantify changes in hydraulic conductivity. ► Rate of change in hydraulic conductivity decreased with system operation.</abstract><cop>Kidlington</cop><pub>Elsevier Ltd</pub><pmid>23376342</pmid><doi>10.1016/j.jenvman.2012.12.039</doi><tpages>10</tpages></addata></record> |
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| identifier | ISSN: 0301-4797 |
| ispartof | Journal of environmental management, 2013-03, Vol.118, p.11-20 |
| issn | 0301-4797 1095-8630 |
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| source | MEDLINE; ScienceDirect Journals (5 years ago - present) |
| subjects | Animal, plant and microbial ecology Applied ecology biofilters Biological and medical sciences Conductivity Conservation, protection and management of environment and wildlife Constructed wetlands Environmental economics Environmental management Environmental Monitoring - methods equations Filtration Fundamental and applied biological sciences. Psychology General aspects Hydraulic conductivity Hydraulic regimes Hydraulics In-situ monitoring landfill leachates Life expectancy longevity Media mixing Models, Chemical Monitoring Ontario Porosity Porous materials porous media saturated hydraulic conductivity subsurface flow Tracer response Vertical flow Waste Disposal, Fluid - methods Water Pollutants, Chemical - analysis Water Pollutants, Chemical - chemistry Water transport |
| title | Using fundamental hydrogeological equations to monitor the effects of clogging and media consolidation on the hydraulic regime of a vertical subsurface flow treatment system |
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