White hard clam (Meretrix lyrata) shells as novel filter media to augment the phosphorus removal from wastewater
It is well recognized that filter media play a crucial role in constructed wetlands (CWs) for decontamination of phosphorus (P)-rich wastewater. This study investigates the suitability of raw white hard clam shells (WHC) and white hard clam shells thermally modified at 800 °C (WHC-M800) as potential...
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creator | Nguyen, T.A.H. Ngo, H.H. Guo, W.S. Nguyen, T.T. Vu, N.D. Soda, S. Nguyen, T.H.H. Nguyen, M.K. Tran, T.V.H. Dang, T.T. Nguyen, V.H. Cao, T.H. |
description | It is well recognized that filter media play a crucial role in constructed wetlands (CWs) for decontamination of phosphorus (P)-rich wastewater. This study investigates the suitability of raw white hard clam shells (WHC) and white hard clam shells thermally modified at 800 °C (WHC-M800) as potential media to enhance P treatment performance in CWs. The results indicated that both WHC and WHC-M800 displayed appropriate physicochemical properties, such as high porosity, excellent hydraulic conductivity, and rich Ca content. WHC-M800 exhibited a superior P adsorption capacity (38.7 mg/g) to WHC (12.8 mg/g). However, the practical utilization of WHC-M800 as filter media in CWs may be compromised, due to certain limitations, for example: extremely high pH values in the post-adsorption solutions; high weight losses during calcination and adsorption processes; low mechanical strength; and intensive energy consumption. In contrast, the WHC demonstrated significant advantages of reasonably high P adsorption capacity, locally abundant availability, low cost, and marginal side effects. The fractionation of inorganic P of WHC and WHC-M800 revealed that Ca-bounded P was the most dominant binding form, followed by loosely bound P, Fe-P, occluded P, and Al-P. The present study demonstrates that recycling of WHC shells as a potential substrate in CWs provides a feasible method for upgrading P removal in CWs. Additionally, it helps to reduce waste WHC shells in a simple, cheap, and eco-friendly way, thus can double environmental benefits.
[Display omitted]
•WHC and WHC-M800 were studied as wetland filter media to control P pollution.•WHC-M800 exhibited a markedly higher qmax value (38.7 mg/g) than WHC (12.8 mg/g).•WHC-M800 was not a potential CWs filter material due to significant limitations.•P sorption by WHC fitted Langmuir isotherm and Pseudo-first-order kinetic models.•The P removal pathway of WHC was mainly chemisorption in the form of Ca-P binding. |
doi_str_mv | 10.1016/j.scitotenv.2020.140483 |
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[Display omitted]
•WHC and WHC-M800 were studied as wetland filter media to control P pollution.•WHC-M800 exhibited a markedly higher qmax value (38.7 mg/g) than WHC (12.8 mg/g).•WHC-M800 was not a potential CWs filter material due to significant limitations.•P sorption by WHC fitted Langmuir isotherm and Pseudo-first-order kinetic models.•The P removal pathway of WHC was mainly chemisorption in the form of Ca-P binding.</description><identifier>ISSN: 0048-9697</identifier><identifier>EISSN: 1879-1026</identifier><identifier>DOI: 10.1016/j.scitotenv.2020.140483</identifier><language>eng</language><publisher>Elsevier B.V</publisher><subject>Ca-rich materials ; Constructed wetlands ; Filter media ; Phosphorus removal ; White hard clam (Meretrix lyrata)</subject><ispartof>The Science of the total environment, 2020-11, Vol.741, p.140483-140483, Article 140483</ispartof><rights>2018</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c463t-f72c8c32661700e99357beef7b29515327cdb7cdf8646ab6226695f2c1a4863a3</citedby><cites>FETCH-LOGICAL-c463t-f72c8c32661700e99357beef7b29515327cdb7cdf8646ab6226695f2c1a4863a3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.scitotenv.2020.140483$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids></links><search><creatorcontrib>Nguyen, T.A.H.</creatorcontrib><creatorcontrib>Ngo, H.H.</creatorcontrib><creatorcontrib>Guo, W.S.</creatorcontrib><creatorcontrib>Nguyen, T.T.</creatorcontrib><creatorcontrib>Vu, N.D.</creatorcontrib><creatorcontrib>Soda, S.</creatorcontrib><creatorcontrib>Nguyen, T.H.H.</creatorcontrib><creatorcontrib>Nguyen, M.K.</creatorcontrib><creatorcontrib>Tran, T.V.H.</creatorcontrib><creatorcontrib>Dang, T.T.</creatorcontrib><creatorcontrib>Nguyen, V.H.</creatorcontrib><creatorcontrib>Cao, T.H.</creatorcontrib><title>White hard clam (Meretrix lyrata) shells as novel filter media to augment the phosphorus removal from wastewater</title><title>The Science of the total environment</title><description>It is well recognized that filter media play a crucial role in constructed wetlands (CWs) for decontamination of phosphorus (P)-rich wastewater. This study investigates the suitability of raw white hard clam shells (WHC) and white hard clam shells thermally modified at 800 °C (WHC-M800) as potential media to enhance P treatment performance in CWs. The results indicated that both WHC and WHC-M800 displayed appropriate physicochemical properties, such as high porosity, excellent hydraulic conductivity, and rich Ca content. WHC-M800 exhibited a superior P adsorption capacity (38.7 mg/g) to WHC (12.8 mg/g). However, the practical utilization of WHC-M800 as filter media in CWs may be compromised, due to certain limitations, for example: extremely high pH values in the post-adsorption solutions; high weight losses during calcination and adsorption processes; low mechanical strength; and intensive energy consumption. In contrast, the WHC demonstrated significant advantages of reasonably high P adsorption capacity, locally abundant availability, low cost, and marginal side effects. The fractionation of inorganic P of WHC and WHC-M800 revealed that Ca-bounded P was the most dominant binding form, followed by loosely bound P, Fe-P, occluded P, and Al-P. The present study demonstrates that recycling of WHC shells as a potential substrate in CWs provides a feasible method for upgrading P removal in CWs. Additionally, it helps to reduce waste WHC shells in a simple, cheap, and eco-friendly way, thus can double environmental benefits.
[Display omitted]
•WHC and WHC-M800 were studied as wetland filter media to control P pollution.•WHC-M800 exhibited a markedly higher qmax value (38.7 mg/g) than WHC (12.8 mg/g).•WHC-M800 was not a potential CWs filter material due to significant limitations.•P sorption by WHC fitted Langmuir isotherm and Pseudo-first-order kinetic models.•The P removal pathway of WHC was mainly chemisorption in the form of Ca-P binding.</description><subject>Ca-rich materials</subject><subject>Constructed wetlands</subject><subject>Filter media</subject><subject>Phosphorus removal</subject><subject>White hard clam (Meretrix lyrata)</subject><issn>0048-9697</issn><issn>1879-1026</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><recordid>eNqFkE1LAzEQhoMoWD9-gznWw9Z87Ca7x1L8gooXxWNIs7Nuyu5mTdLW_ntTKl4dGAaG5x2YB6EbSmaUUHG3ngVjo4swbGeMsLTNSV7yEzShpawySpg4RROSdlklKnmOLkJYk1SypBM0frQ2Am61r7HpdI-nL-AhevuNu73XUd_i0ELXBawDHtwWOtzYLoLHPdRW4-iw3nz2MEQcW8Bj60JqvwnYQ--2OuHe9XinQ4SdTrkrdNboLsD177xE7w_3b4unbPn6-LyYLzOTCx6zRjJTGs6EoJIQqCpeyBVAI1esKmjBmTT1KnVTilzolWCJrIqGGarzUnDNL9H0eHf07msDIareBpM-0QO4TVAsZ4TyIudVQuURNd6F4KFRo7e99ntFiTo4Vmv151gdHKuj45ScH5OQPtla8AcOBpPUeDBR1c7-e-MHySyLCQ</recordid><startdate>20201101</startdate><enddate>20201101</enddate><creator>Nguyen, T.A.H.</creator><creator>Ngo, H.H.</creator><creator>Guo, W.S.</creator><creator>Nguyen, T.T.</creator><creator>Vu, N.D.</creator><creator>Soda, S.</creator><creator>Nguyen, T.H.H.</creator><creator>Nguyen, M.K.</creator><creator>Tran, T.V.H.</creator><creator>Dang, T.T.</creator><creator>Nguyen, V.H.</creator><creator>Cao, T.H.</creator><general>Elsevier B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope></search><sort><creationdate>20201101</creationdate><title>White hard clam (Meretrix lyrata) shells as novel filter media to augment the phosphorus removal from wastewater</title><author>Nguyen, T.A.H. ; Ngo, H.H. ; Guo, W.S. ; Nguyen, T.T. ; Vu, N.D. ; Soda, S. ; Nguyen, T.H.H. ; Nguyen, M.K. ; Tran, T.V.H. ; Dang, T.T. ; Nguyen, V.H. ; Cao, T.H.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c463t-f72c8c32661700e99357beef7b29515327cdb7cdf8646ab6226695f2c1a4863a3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Ca-rich materials</topic><topic>Constructed wetlands</topic><topic>Filter media</topic><topic>Phosphorus removal</topic><topic>White hard clam (Meretrix lyrata)</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Nguyen, T.A.H.</creatorcontrib><creatorcontrib>Ngo, H.H.</creatorcontrib><creatorcontrib>Guo, W.S.</creatorcontrib><creatorcontrib>Nguyen, T.T.</creatorcontrib><creatorcontrib>Vu, N.D.</creatorcontrib><creatorcontrib>Soda, S.</creatorcontrib><creatorcontrib>Nguyen, T.H.H.</creatorcontrib><creatorcontrib>Nguyen, M.K.</creatorcontrib><creatorcontrib>Tran, T.V.H.</creatorcontrib><creatorcontrib>Dang, T.T.</creatorcontrib><creatorcontrib>Nguyen, V.H.</creatorcontrib><creatorcontrib>Cao, T.H.</creatorcontrib><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>The Science of the total environment</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Nguyen, T.A.H.</au><au>Ngo, H.H.</au><au>Guo, W.S.</au><au>Nguyen, T.T.</au><au>Vu, N.D.</au><au>Soda, S.</au><au>Nguyen, T.H.H.</au><au>Nguyen, M.K.</au><au>Tran, T.V.H.</au><au>Dang, T.T.</au><au>Nguyen, V.H.</au><au>Cao, T.H.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>White hard clam (Meretrix lyrata) shells as novel filter media to augment the phosphorus removal from wastewater</atitle><jtitle>The Science of the total environment</jtitle><date>2020-11-01</date><risdate>2020</risdate><volume>741</volume><spage>140483</spage><epage>140483</epage><pages>140483-140483</pages><artnum>140483</artnum><issn>0048-9697</issn><eissn>1879-1026</eissn><abstract>It is well recognized that filter media play a crucial role in constructed wetlands (CWs) for decontamination of phosphorus (P)-rich wastewater. This study investigates the suitability of raw white hard clam shells (WHC) and white hard clam shells thermally modified at 800 °C (WHC-M800) as potential media to enhance P treatment performance in CWs. The results indicated that both WHC and WHC-M800 displayed appropriate physicochemical properties, such as high porosity, excellent hydraulic conductivity, and rich Ca content. WHC-M800 exhibited a superior P adsorption capacity (38.7 mg/g) to WHC (12.8 mg/g). However, the practical utilization of WHC-M800 as filter media in CWs may be compromised, due to certain limitations, for example: extremely high pH values in the post-adsorption solutions; high weight losses during calcination and adsorption processes; low mechanical strength; and intensive energy consumption. In contrast, the WHC demonstrated significant advantages of reasonably high P adsorption capacity, locally abundant availability, low cost, and marginal side effects. The fractionation of inorganic P of WHC and WHC-M800 revealed that Ca-bounded P was the most dominant binding form, followed by loosely bound P, Fe-P, occluded P, and Al-P. The present study demonstrates that recycling of WHC shells as a potential substrate in CWs provides a feasible method for upgrading P removal in CWs. Additionally, it helps to reduce waste WHC shells in a simple, cheap, and eco-friendly way, thus can double environmental benefits.
[Display omitted]
•WHC and WHC-M800 were studied as wetland filter media to control P pollution.•WHC-M800 exhibited a markedly higher qmax value (38.7 mg/g) than WHC (12.8 mg/g).•WHC-M800 was not a potential CWs filter material due to significant limitations.•P sorption by WHC fitted Langmuir isotherm and Pseudo-first-order kinetic models.•The P removal pathway of WHC was mainly chemisorption in the form of Ca-P binding.</abstract><pub>Elsevier B.V</pub><doi>10.1016/j.scitotenv.2020.140483</doi><tpages>1</tpages><oa>free_for_read</oa></addata></record> |
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subjects | Ca-rich materials Constructed wetlands Filter media Phosphorus removal White hard clam (Meretrix lyrata) |
title | White hard clam (Meretrix lyrata) shells as novel filter media to augment the phosphorus removal from wastewater |
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