Minicolumn Test of Remaining GAC Performance for Taste and Odor Removal: Theoretical Analysis
AbstractIn drinking water treatment, it is difficult to predict the remaining service life of a partially spent granular activated carbon bed when contaminants are intermittent, such as taste and odor-causing compounds. A laboratory-scale minicolumn test using a grab granular activated carbon (GAC)...
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| Veröffentlicht in: | Journal of environmental engineering (New York, N.Y.) N.Y.), 2020-01, Vol.146 (1) |
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| container_title | Journal of environmental engineering (New York, N.Y.) |
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| creator | Nie, Zhijie Huang, Yifeng Yuan, Jie Murray, Audrey Li, Yi Woods-Chabane, Gwen Hofmann, Ron |
| description | AbstractIn drinking water treatment, it is difficult to predict the remaining service life of a partially spent granular activated carbon bed when contaminants are intermittent, such as taste and odor-causing compounds. A laboratory-scale minicolumn test using a grab granular activated carbon (GAC) sample from a full-scale bed was assessed using pore and surface diffusion model (PSDM) simulations. The impact of bed depth and flow velocity on the performance of preloaded GAC was negligible provided that the minicolumn test matched the same empty bed contact time as at full scale. The impact of minicolumn diameter was insignificant when the minicolumn to GAC particle diameter ratio was larger than 13. Minicolumns using a single representative grain size fraction were predicted to simulate full-scale beds with reasonable accuracy. The impact of temperature may be significant. A potential limitation of the test is that the media may be harvested at different GAC bed depths: accuracy requires that the adsorption capacity and kinetics of the adsorbate be relatively constant across those depths. |
| doi_str_mv | 10.1061/(ASCE)EE.1943-7870.0001626 |
| format | Article |
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A laboratory-scale minicolumn test using a grab granular activated carbon (GAC) sample from a full-scale bed was assessed using pore and surface diffusion model (PSDM) simulations. The impact of bed depth and flow velocity on the performance of preloaded GAC was negligible provided that the minicolumn test matched the same empty bed contact time as at full scale. The impact of minicolumn diameter was insignificant when the minicolumn to GAC particle diameter ratio was larger than 13. Minicolumns using a single representative grain size fraction were predicted to simulate full-scale beds with reasonable accuracy. The impact of temperature may be significant. A potential limitation of the test is that the media may be harvested at different GAC bed depths: accuracy requires that the adsorption capacity and kinetics of the adsorbate be relatively constant across those depths.</description><identifier>ISSN: 0733-9372</identifier><identifier>EISSN: 1943-7870</identifier><identifier>DOI: 10.1061/(ASCE)EE.1943-7870.0001626</identifier><language>eng</language><publisher>New York: American Society of Civil Engineers</publisher><subject>Activated carbon ; Adsorbates ; Aroma compounds ; Computer simulation ; Contaminants ; Drinking water ; Flow velocity ; Grain size ; Odors ; Particle size ; Service life ; Surface diffusion ; Taste ; Technical Papers ; Theoretical analysis ; Ultrasonic testing ; Water treatment</subject><ispartof>Journal of environmental engineering (New York, N.Y.), 2020-01, Vol.146 (1)</ispartof><rights>2019 American Society of Civil Engineers</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-a374t-57b6260782a89e8b44b932e3c54be42217ca41c7e884eb1a5ef14d6ff39850c53</citedby><cites>FETCH-LOGICAL-a374t-57b6260782a89e8b44b932e3c54be42217ca41c7e884eb1a5ef14d6ff39850c53</cites><orcidid>0000-0002-0412-5279</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttp://ascelibrary.org/doi/pdf/10.1061/(ASCE)EE.1943-7870.0001626$$EPDF$$P50$$Gasce$$H</linktopdf><linktohtml>$$Uhttp://ascelibrary.org/doi/abs/10.1061/(ASCE)EE.1943-7870.0001626$$EHTML$$P50$$Gasce$$H</linktohtml><link.rule.ids>314,776,780,27903,27904,75939,75947</link.rule.ids></links><search><creatorcontrib>Nie, Zhijie</creatorcontrib><creatorcontrib>Huang, Yifeng</creatorcontrib><creatorcontrib>Yuan, Jie</creatorcontrib><creatorcontrib>Murray, Audrey</creatorcontrib><creatorcontrib>Li, Yi</creatorcontrib><creatorcontrib>Woods-Chabane, Gwen</creatorcontrib><creatorcontrib>Hofmann, Ron</creatorcontrib><title>Minicolumn Test of Remaining GAC Performance for Taste and Odor Removal: Theoretical Analysis</title><title>Journal of environmental engineering (New York, N.Y.)</title><description>AbstractIn drinking water treatment, it is difficult to predict the remaining service life of a partially spent granular activated carbon bed when contaminants are intermittent, such as taste and odor-causing compounds. A laboratory-scale minicolumn test using a grab granular activated carbon (GAC) sample from a full-scale bed was assessed using pore and surface diffusion model (PSDM) simulations. The impact of bed depth and flow velocity on the performance of preloaded GAC was negligible provided that the minicolumn test matched the same empty bed contact time as at full scale. The impact of minicolumn diameter was insignificant when the minicolumn to GAC particle diameter ratio was larger than 13. Minicolumns using a single representative grain size fraction were predicted to simulate full-scale beds with reasonable accuracy. The impact of temperature may be significant. A potential limitation of the test is that the media may be harvested at different GAC bed depths: accuracy requires that the adsorption capacity and kinetics of the adsorbate be relatively constant across those depths.</description><subject>Activated carbon</subject><subject>Adsorbates</subject><subject>Aroma compounds</subject><subject>Computer simulation</subject><subject>Contaminants</subject><subject>Drinking water</subject><subject>Flow velocity</subject><subject>Grain size</subject><subject>Odors</subject><subject>Particle size</subject><subject>Service life</subject><subject>Surface diffusion</subject><subject>Taste</subject><subject>Technical Papers</subject><subject>Theoretical analysis</subject><subject>Ultrasonic testing</subject><subject>Water treatment</subject><issn>0733-9372</issn><issn>1943-7870</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><recordid>eNp1kF1LwzAUhoMoOKf_IeiNXnQmTdqkuyujTmEy0XopIc1OtaMfM-mE_XtTNvXKq_PB-x7e8yB0ScmEkpjeXqcvs-wmyyY04SwQUpAJIYTGYXyERr-7YzQigrEgYSI8RWfOrb2Gx4kYobfHqq1MV2-bFufgetyV-Bka7bftO56nM_wEtuxso1sD2Dc4164HrNsVXq786MXdl66nOP-AzkJfGV3jtNX1zlXuHJ2UunZwcahj9HqX5bP7YLGcP8zSRaCZ4H0QicInJkKGWiYgC86LhIXATMQL4GFIhdGcGgFSciiojqCkfBWXJUtkREzExuhqf3dju8-tf0Otu631IZwKGSU0EpGUXjXdq4ztnLNQqo2tGm13ihI14FRqwKmyTA3o1IBOHXB6c7w3a2fg7_yP83_jN5D8eG8</recordid><startdate>20200101</startdate><enddate>20200101</enddate><creator>Nie, Zhijie</creator><creator>Huang, Yifeng</creator><creator>Yuan, Jie</creator><creator>Murray, Audrey</creator><creator>Li, Yi</creator><creator>Woods-Chabane, Gwen</creator><creator>Hofmann, Ron</creator><general>American Society of Civil Engineers</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7QF</scope><scope>7QO</scope><scope>7QQ</scope><scope>7SC</scope><scope>7SE</scope><scope>7SP</scope><scope>7SR</scope><scope>7ST</scope><scope>7T7</scope><scope>7TA</scope><scope>7TB</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>C1K</scope><scope>F28</scope><scope>FR3</scope><scope>H8D</scope><scope>H8G</scope><scope>JG9</scope><scope>JQ2</scope><scope>KR7</scope><scope>L7M</scope><scope>L~C</scope><scope>L~D</scope><scope>P64</scope><scope>SOI</scope><orcidid>https://orcid.org/0000-0002-0412-5279</orcidid></search><sort><creationdate>20200101</creationdate><title>Minicolumn Test of Remaining GAC Performance for Taste and Odor Removal: Theoretical Analysis</title><author>Nie, Zhijie ; Huang, Yifeng ; Yuan, Jie ; Murray, Audrey ; Li, Yi ; Woods-Chabane, Gwen ; Hofmann, Ron</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a374t-57b6260782a89e8b44b932e3c54be42217ca41c7e884eb1a5ef14d6ff39850c53</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Activated carbon</topic><topic>Adsorbates</topic><topic>Aroma compounds</topic><topic>Computer simulation</topic><topic>Contaminants</topic><topic>Drinking water</topic><topic>Flow velocity</topic><topic>Grain size</topic><topic>Odors</topic><topic>Particle size</topic><topic>Service life</topic><topic>Surface diffusion</topic><topic>Taste</topic><topic>Technical Papers</topic><topic>Theoretical analysis</topic><topic>Ultrasonic testing</topic><topic>Water treatment</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Nie, Zhijie</creatorcontrib><creatorcontrib>Huang, Yifeng</creatorcontrib><creatorcontrib>Yuan, Jie</creatorcontrib><creatorcontrib>Murray, Audrey</creatorcontrib><creatorcontrib>Li, Yi</creatorcontrib><creatorcontrib>Woods-Chabane, Gwen</creatorcontrib><creatorcontrib>Hofmann, Ron</creatorcontrib><collection>CrossRef</collection><collection>Aluminium Industry Abstracts</collection><collection>Biotechnology Research Abstracts</collection><collection>Ceramic Abstracts</collection><collection>Computer and Information Systems Abstracts</collection><collection>Corrosion Abstracts</collection><collection>Electronics & Communications Abstracts</collection><collection>Engineered Materials Abstracts</collection><collection>Environment Abstracts</collection><collection>Industrial and Applied Microbiology Abstracts (Microbiology A)</collection><collection>Materials Business File</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><collection>Engineering Research Database</collection><collection>Aerospace Database</collection><collection>Copper Technical Reference Library</collection><collection>Materials Research Database</collection><collection>ProQuest Computer Science Collection</collection><collection>Civil Engineering Abstracts</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Computer and Information Systems Abstracts Academic</collection><collection>Computer and Information Systems Abstracts Professional</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>Environment Abstracts</collection><jtitle>Journal of environmental engineering (New York, N.Y.)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Nie, Zhijie</au><au>Huang, Yifeng</au><au>Yuan, Jie</au><au>Murray, Audrey</au><au>Li, Yi</au><au>Woods-Chabane, Gwen</au><au>Hofmann, Ron</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Minicolumn Test of Remaining GAC Performance for Taste and Odor Removal: Theoretical Analysis</atitle><jtitle>Journal of environmental engineering (New York, N.Y.)</jtitle><date>2020-01-01</date><risdate>2020</risdate><volume>146</volume><issue>1</issue><issn>0733-9372</issn><eissn>1943-7870</eissn><abstract>AbstractIn drinking water treatment, it is difficult to predict the remaining service life of a partially spent granular activated carbon bed when contaminants are intermittent, such as taste and odor-causing compounds. A laboratory-scale minicolumn test using a grab granular activated carbon (GAC) sample from a full-scale bed was assessed using pore and surface diffusion model (PSDM) simulations. The impact of bed depth and flow velocity on the performance of preloaded GAC was negligible provided that the minicolumn test matched the same empty bed contact time as at full scale. The impact of minicolumn diameter was insignificant when the minicolumn to GAC particle diameter ratio was larger than 13. Minicolumns using a single representative grain size fraction were predicted to simulate full-scale beds with reasonable accuracy. The impact of temperature may be significant. A potential limitation of the test is that the media may be harvested at different GAC bed depths: accuracy requires that the adsorption capacity and kinetics of the adsorbate be relatively constant across those depths.</abstract><cop>New York</cop><pub>American Society of Civil Engineers</pub><doi>10.1061/(ASCE)EE.1943-7870.0001626</doi><orcidid>https://orcid.org/0000-0002-0412-5279</orcidid></addata></record> |
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| source | American Society of Civil Engineers:NESLI2:Journals:2014 |
| subjects | Activated carbon Adsorbates Aroma compounds Computer simulation Contaminants Drinking water Flow velocity Grain size Odors Particle size Service life Surface diffusion Taste Technical Papers Theoretical analysis Ultrasonic testing Water treatment |
| title | Minicolumn Test of Remaining GAC Performance for Taste and Odor Removal: Theoretical Analysis |
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