Assessing granular media filtration for the removal of chemical contaminants from wastewater
Identifieur interne : 006D22 ( Main/Exploration ); précédent : 006D21; suivant : 006D23Assessing granular media filtration for the removal of chemical contaminants from wastewater
Auteurs : Lionel Ho [Australie] ; Charlotte Grasset [France] ; Daniel Hoefel [Australie] ; Mike B. Dixon [Australie] ; Frederic D. L. Leusch [Australie] ; Gayle Newcombe [Australie] ; Christopher P. Saint [Australie] ; Justin D. Brookes [Australie]Source :
- Water research : (Oxford) [ 0043-1354 ] ; 2011.
Descripteurs français
- Pascal (Inist)
- Filtration, Décontamination, Pollution, Eau usée, Charbon actif, Estrone, Ethinylestradiol, En discontinu, Activité biologique, Cinétique, Composé organique, Adsorption, Nitrosamine, Analyse tendance, Composé hydrophobe, Surveillance, Performance, Filtre sable, Station épuration, Dégradation biologique, Biofiltre, Oestrogène, Perturbateur endocrinien, Hormone stéroïde sexuelle, Devenir polluant, Bioréacteur, Epuration biologique.
- Wicri :
English descriptors
- KwdEn :
- Activated carbon, Adsorption, Batchwise, Biodegradation, Biofilter, Biological activity, Biological purification, Bioreactor, Decontamination, Endocrine disruptor, Estrogen, Estrone, Ethinylestradiol, Filtration, Hydrophobic compound, Kinetics, Nitrosamine, Organic compounds, Performance, Pollutant behavior, Pollution, Sand filter, Sewage treatment plant, Sex steroid hormone, Surveillance, Trend analysis, Waste water.
Abstract
Granular media filtration was evaluated for the removal of a suite of chemical contaminants that can be found in wastewater. Laboratory- and pilot-scale sand and granular activated carbon (GAC) filters were trialled for their ability to remove atrazine, estrone (E1), 17α-ethynylestradiol (EE2), N-nitrosodimethylamine (NDMA), N-nitrosomorpholine (NMOR) and N-nitrosodiethylamine (NDEA). In general, sand filtration was ineffective in removing the contaminants from a tertiary treated wastewater, with the exception of E1 and EE2, where efficient removals were observed after approximately 150 d. Batch degradation experiments confirmed that the removal of E1 was through biological activity, with a pseudo-first-order degradation rate constant of 7.4 x 10-3 h-1. GAC filtration was initially able to effectively remove all contaminants; although removals decreased over time due to competition with other organics present in the water. The only exception was atrazine where removal remained consistently high throughout the experiment. Previously unreported differences were observed in the adsorption of the three nitrosamines, with the ease of removal following the trend, NDEA > NMOR > NDMA, consistent with their hydrophobic character. In most instances the removals from the pilot-scale filters were generally in agreement with the laboratory-scale filter, suggesting that there is potential in using laboratory-scale filters as monitoring tools to evaluate the performance of pilot- and possibly full-scale sand and GAC filters at wastewater treatment plants.
Affiliations:
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Dixon</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Australian Water Quality Centre, SA Water Corporation, 250 Victoria Square</s1><s2>Adelaide SA 5000</s2><s3>AUS</s3><sZ>1 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>6 aut.</sZ><sZ>7 aut.</sZ></inist:fA14><country>Australie</country><wicri:noRegion>Adelaide SA 5000</wicri:noRegion></affiliation></author><author><name sortKey="Leusch, Frederic D L" sort="Leusch, Frederic D L" uniqKey="Leusch F" first="Frederic D. L." last="Leusch">Frederic D. L. Leusch</name><affiliation wicri:level="1"><inist:fA14 i1="04"><s1>Griffith University, Smart Water Research Centre, Edmund Rice Drive</s1><s2>Southport, QLD 4222</s2><s3>AUS</s3><sZ>5 aut.</sZ></inist:fA14><country>Australie</country><wicri:noRegion>Southport, QLD 4222</wicri:noRegion></affiliation></author><author><name sortKey="Newcombe, Gayle" sort="Newcombe, Gayle" uniqKey="Newcombe G" first="Gayle" last="Newcombe">Gayle Newcombe</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Australian Water Quality Centre, SA Water Corporation, 250 Victoria Square</s1><s2>Adelaide SA 5000</s2><s3>AUS</s3><sZ>1 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>6 aut.</sZ><sZ>7 aut.</sZ></inist:fA14><country>Australie</country><wicri:noRegion>Adelaide SA 5000</wicri:noRegion></affiliation></author><author><name sortKey="Saint, Christopher P" sort="Saint, Christopher P" uniqKey="Saint C" first="Christopher P." last="Saint">Christopher P. Saint</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Australian Water Quality Centre, SA Water Corporation, 250 Victoria Square</s1><s2>Adelaide SA 5000</s2><s3>AUS</s3><sZ>1 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>6 aut.</sZ><sZ>7 aut.</sZ></inist:fA14><country>Australie</country><wicri:noRegion>Adelaide SA 5000</wicri:noRegion></affiliation><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>School of Earth & Environmental Sciences, The University of Adelaide</s1><s2>SA 5005</s2><s3>AUS</s3><sZ>1 aut.</sZ><sZ>3 aut.</sZ><sZ>7 aut.</sZ><sZ>8 aut.</sZ></inist:fA14><country>Australie</country><wicri:noRegion>SA 5005</wicri:noRegion></affiliation></author><author><name sortKey="Brookes, Justin D" sort="Brookes, Justin D" uniqKey="Brookes J" first="Justin D." last="Brookes">Justin D. Brookes</name><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>School of Earth & Environmental Sciences, The University of Adelaide</s1><s2>SA 5005</s2><s3>AUS</s3><sZ>1 aut.</sZ><sZ>3 aut.</sZ><sZ>7 aut.</sZ><sZ>8 aut.</sZ></inist:fA14><country>Australie</country><wicri:noRegion>SA 5005</wicri:noRegion></affiliation></author></analytic><series><title level="j" type="main">Water research : (Oxford)</title><title level="j" type="abbreviated">Water res. : (Oxf.)</title><idno type="ISSN">0043-1354</idno><imprint><date when="2011">2011</date></imprint></series></biblStruct></sourceDesc><seriesStmt><title level="j" type="main">Water research : (Oxford)</title><title level="j" type="abbreviated">Water res. : (Oxf.)</title><idno type="ISSN">0043-1354</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Activated carbon</term><term>Adsorption</term><term>Batchwise</term><term>Biodegradation</term><term>Biofilter</term><term>Biological activity</term><term>Biological purification</term><term>Bioreactor</term><term>Decontamination</term><term>Endocrine disruptor</term><term>Estrogen</term><term>Estrone</term><term>Ethinylestradiol</term><term>Filtration</term><term>Hydrophobic compound</term><term>Kinetics</term><term>Nitrosamine</term><term>Organic compounds</term><term>Performance</term><term>Pollutant behavior</term><term>Pollution</term><term>Sand filter</term><term>Sewage treatment plant</term><term>Sex steroid hormone</term><term>Surveillance</term><term>Trend analysis</term><term>Waste water</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Filtration</term><term>Décontamination</term><term>Pollution</term><term>Eau usée</term><term>Charbon actif</term><term>Estrone</term><term>Ethinylestradiol</term><term>En discontinu</term><term>Activité biologique</term><term>Cinétique</term><term>Composé organique</term><term>Adsorption</term><term>Nitrosamine</term><term>Analyse tendance</term><term>Composé hydrophobe</term><term>Surveillance</term><term>Performance</term><term>Filtre sable</term><term>Station épuration</term><term>Dégradation biologique</term><term>Biofiltre</term><term>Oestrogène</term><term>Perturbateur endocrinien</term><term>Hormone stéroïde sexuelle</term><term>Devenir polluant</term><term>Bioréacteur</term><term>Epuration biologique</term></keywords><keywords scheme="Wicri" type="topic" xml:lang="fr"><term>Pollution</term><term>Eau usée</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Granular media filtration was evaluated for the removal of a suite of chemical contaminants that can be found in wastewater. Laboratory- and pilot-scale sand and granular activated carbon (GAC) filters were trialled for their ability to remove atrazine, estrone (E1), 17α-ethynylestradiol (EE2), N-nitrosodimethylamine (NDMA), N-nitrosomorpholine (NMOR) and N-nitrosodiethylamine (NDEA). In general, sand filtration was ineffective in removing the contaminants from a tertiary treated wastewater, with the exception of E1 and EE2, where efficient removals were observed after approximately 150 d. Batch degradation experiments confirmed that the removal of E1 was through biological activity, with a pseudo-first-order degradation rate constant of 7.4 x 10<sup>-3</sup> h<sup>-1</sup>. GAC filtration was initially able to effectively remove all contaminants; although removals decreased over time due to competition with other organics present in the water. The only exception was atrazine where removal remained consistently high throughout the experiment. Previously unreported differences were observed in the adsorption of the three nitrosamines, with the ease of removal following the trend, NDEA > NMOR > NDMA, consistent with their hydrophobic character. In most instances the removals from the pilot-scale filters were generally in agreement with the laboratory-scale filter, suggesting that there is potential in using laboratory-scale filters as monitoring tools to evaluate the performance of pilot- and possibly full-scale sand and GAC filters at wastewater treatment plants.</div></front></TEI><affiliations><list><country><li>Australie</li><li>France</li></country></list><tree><country name="Australie"><noRegion><name sortKey="Ho, Lionel" sort="Ho, Lionel" uniqKey="Ho L" first="Lionel" last="Ho">Lionel Ho</name></noRegion><name sortKey="Brookes, Justin D" sort="Brookes, Justin D" uniqKey="Brookes J" first="Justin D." last="Brookes">Justin D. Brookes</name><name sortKey="Dixon, Mike B" sort="Dixon, Mike B" uniqKey="Dixon M" first="Mike B." last="Dixon">Mike B. Dixon</name><name sortKey="Ho, Lionel" sort="Ho, Lionel" uniqKey="Ho L" first="Lionel" last="Ho">Lionel Ho</name><name sortKey="Hoefel, Daniel" sort="Hoefel, Daniel" uniqKey="Hoefel D" first="Daniel" last="Hoefel">Daniel Hoefel</name><name sortKey="Hoefel, Daniel" sort="Hoefel, Daniel" uniqKey="Hoefel D" first="Daniel" last="Hoefel">Daniel Hoefel</name><name sortKey="Leusch, Frederic D L" sort="Leusch, Frederic D L" uniqKey="Leusch F" first="Frederic D. L." last="Leusch">Frederic D. L. Leusch</name><name sortKey="Newcombe, Gayle" sort="Newcombe, Gayle" uniqKey="Newcombe G" first="Gayle" last="Newcombe">Gayle Newcombe</name><name sortKey="Saint, Christopher P" sort="Saint, Christopher P" uniqKey="Saint C" first="Christopher P." last="Saint">Christopher P. Saint</name><name sortKey="Saint, Christopher P" sort="Saint, Christopher P" uniqKey="Saint C" first="Christopher P." last="Saint">Christopher P. Saint</name></country><country name="France"><noRegion><name sortKey="Grasset, Charlotte" sort="Grasset, Charlotte" uniqKey="Grasset C" first="Charlotte" last="Grasset">Charlotte Grasset</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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