The Role of Cationic Coagulant-to-Cell Interaction in Dictating the Flocculation-Aided Sedimentation of Freshwater Microalgae
The coagulant chitosan and poly(diallyldimethylammonium chloride) (PDDA) were proven effective to aid the sedimentation of microalgal cells through electrostatic patch flocculation. A total amount of 30 mg/L chitosan and PDDA can achieve cell separation efficiency of 96.7 ± 0.7 and 98.4 ± 1.0 %, res...
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| Veröffentlicht in: | Arabian journal for science and engineering (2011) 2018-05, Vol.43 (5), p.2217-2225 |
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| container_title | Arabian journal for science and engineering (2011) |
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| creator | Toh, Pey Yi Azenan, Nurfarah Farhana Wong, Liherng Ng, Yin Sim Chng, Lee Muei Lim, JitKang Chan, Derek Juinn Chieh |
| description | The coagulant chitosan and poly(diallyldimethylammonium chloride) (PDDA) were proven effective to aid the sedimentation of microalgal cells through electrostatic patch flocculation. A total amount of 30 mg/L chitosan and PDDA can achieve cell separation efficiency of
96.7
±
0.7
and
98.4
±
1.0
%, respectively. The chitosan outperformed PDDA and promoted 4.4 times faster rate of cell sedimentation than the self-sedimentation rate of cells. The chitosan employed the mechanism of charge neutralization to form larger flocs, while the PDDA that favored the formation of loops and tails protruding away from cell surface employed the bridging mechanism to form flocs. The rate of cell sedimentation induced by chitosan was the highest at pH 7, 8 (control) and 9 compared to that of PDDA, where the cell flocculation by using chitosan was dominated by charge neutralization mechanism at pH 7 and 8 (control), while the cell flocculation was mainly driven by bridging mechanism at pH 9. This result shows that the chitosan is feasible in the harvesting of freshwater microalgae without the need of pH adjustment. Therefore, the chitosan was proven more reliable and time effective than the PDDA in harvesting the freshwater
Chlorella
sp. without the need of pH adjustment. |
| doi_str_mv | 10.1007/s13369-017-2584-1 |
| format | Article |
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96.7
±
0.7
and
98.4
±
1.0
%, respectively. The chitosan outperformed PDDA and promoted 4.4 times faster rate of cell sedimentation than the self-sedimentation rate of cells. The chitosan employed the mechanism of charge neutralization to form larger flocs, while the PDDA that favored the formation of loops and tails protruding away from cell surface employed the bridging mechanism to form flocs. The rate of cell sedimentation induced by chitosan was the highest at pH 7, 8 (control) and 9 compared to that of PDDA, where the cell flocculation by using chitosan was dominated by charge neutralization mechanism at pH 7 and 8 (control), while the cell flocculation was mainly driven by bridging mechanism at pH 9. This result shows that the chitosan is feasible in the harvesting of freshwater microalgae without the need of pH adjustment. Therefore, the chitosan was proven more reliable and time effective than the PDDA in harvesting the freshwater
Chlorella
sp. without the need of pH adjustment.</description><identifier>ISSN: 2193-567X</identifier><identifier>ISSN: 1319-8025</identifier><identifier>EISSN: 2191-4281</identifier><identifier>DOI: 10.1007/s13369-017-2584-1</identifier><language>eng</language><publisher>Berlin/Heidelberg: Springer Berlin Heidelberg</publisher><subject>Algae ; Chitosan ; Coagulants ; Engineering ; Flocculation ; Harvesting ; Humanities and Social Sciences ; multidisciplinary ; Research Article - Chemical Engineering ; Science ; Sedimentation</subject><ispartof>Arabian journal for science and engineering (2011), 2018-05, Vol.43 (5), p.2217-2225</ispartof><rights>King Fahd University of Petroleum & Minerals 2017</rights><rights>Copyright Springer Science & Business Media 2018</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c316t-a051f507bd94912f5b22987e43d442cf58eabaddeef21e3fb4264d5b77c622de3</citedby><cites>FETCH-LOGICAL-c316t-a051f507bd94912f5b22987e43d442cf58eabaddeef21e3fb4264d5b77c622de3</cites><orcidid>0000-0002-1476-4074</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s13369-017-2584-1$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s13369-017-2584-1$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,780,784,27924,27925,41488,42557,51319</link.rule.ids></links><search><creatorcontrib>Toh, Pey Yi</creatorcontrib><creatorcontrib>Azenan, Nurfarah Farhana</creatorcontrib><creatorcontrib>Wong, Liherng</creatorcontrib><creatorcontrib>Ng, Yin Sim</creatorcontrib><creatorcontrib>Chng, Lee Muei</creatorcontrib><creatorcontrib>Lim, JitKang</creatorcontrib><creatorcontrib>Chan, Derek Juinn Chieh</creatorcontrib><title>The Role of Cationic Coagulant-to-Cell Interaction in Dictating the Flocculation-Aided Sedimentation of Freshwater Microalgae</title><title>Arabian journal for science and engineering (2011)</title><addtitle>Arab J Sci Eng</addtitle><description>The coagulant chitosan and poly(diallyldimethylammonium chloride) (PDDA) were proven effective to aid the sedimentation of microalgal cells through electrostatic patch flocculation. A total amount of 30 mg/L chitosan and PDDA can achieve cell separation efficiency of
96.7
±
0.7
and
98.4
±
1.0
%, respectively. The chitosan outperformed PDDA and promoted 4.4 times faster rate of cell sedimentation than the self-sedimentation rate of cells. The chitosan employed the mechanism of charge neutralization to form larger flocs, while the PDDA that favored the formation of loops and tails protruding away from cell surface employed the bridging mechanism to form flocs. The rate of cell sedimentation induced by chitosan was the highest at pH 7, 8 (control) and 9 compared to that of PDDA, where the cell flocculation by using chitosan was dominated by charge neutralization mechanism at pH 7 and 8 (control), while the cell flocculation was mainly driven by bridging mechanism at pH 9. This result shows that the chitosan is feasible in the harvesting of freshwater microalgae without the need of pH adjustment. Therefore, the chitosan was proven more reliable and time effective than the PDDA in harvesting the freshwater
Chlorella
sp. without the need of pH adjustment.</description><subject>Algae</subject><subject>Chitosan</subject><subject>Coagulants</subject><subject>Engineering</subject><subject>Flocculation</subject><subject>Harvesting</subject><subject>Humanities and Social Sciences</subject><subject>multidisciplinary</subject><subject>Research Article - Chemical Engineering</subject><subject>Science</subject><subject>Sedimentation</subject><issn>2193-567X</issn><issn>1319-8025</issn><issn>2191-4281</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><recordid>eNp1kEFr3DAQhU1JoMsmP6A3Qc9KNJJs2cfgZtNASqBNoDchS-ONitfaSlpCDvnvlbOFnHKaYeZ7b4ZXVV-AXQBj6jKBEE1HGSjK61ZS-FStOHRAJW_h5K0XtG7U78_VeUp-YLIVXQ0gVtXrwxOSn2FCEkbSm-zD7C3pg9keJjNnmgPtcZrI7ZwxGrvsiZ_JN29zgectyUW_mYK1hV-29Mo7dOQXOr_DOb_NFu9NxPT0bIoL-eFtDGbaGjyrTkczJTz_X9fV4-b6of9O7-5vbvurO2oFNJkaVsNYMzW4TnbAx3rgvGsVSuGk5HasWzSDcQ5x5IBiHCRvpKsHpWzDuUOxrr4effcx_D1gyvpPOMS5nNSccdV0oIAVCo5UeS-liKPeR78z8UUD00vQ-hi0LkHrJWgNRcOPmlTYeYvx3flj0T8GOIIR</recordid><startdate>20180501</startdate><enddate>20180501</enddate><creator>Toh, Pey Yi</creator><creator>Azenan, Nurfarah Farhana</creator><creator>Wong, Liherng</creator><creator>Ng, Yin Sim</creator><creator>Chng, Lee Muei</creator><creator>Lim, JitKang</creator><creator>Chan, Derek Juinn Chieh</creator><general>Springer Berlin Heidelberg</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope><orcidid>https://orcid.org/0000-0002-1476-4074</orcidid></search><sort><creationdate>20180501</creationdate><title>The Role of Cationic Coagulant-to-Cell Interaction in Dictating the Flocculation-Aided Sedimentation of Freshwater Microalgae</title><author>Toh, Pey Yi ; Azenan, Nurfarah Farhana ; Wong, Liherng ; Ng, Yin Sim ; Chng, Lee Muei ; Lim, JitKang ; Chan, Derek Juinn Chieh</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c316t-a051f507bd94912f5b22987e43d442cf58eabaddeef21e3fb4264d5b77c622de3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>Algae</topic><topic>Chitosan</topic><topic>Coagulants</topic><topic>Engineering</topic><topic>Flocculation</topic><topic>Harvesting</topic><topic>Humanities and Social Sciences</topic><topic>multidisciplinary</topic><topic>Research Article - Chemical Engineering</topic><topic>Science</topic><topic>Sedimentation</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Toh, Pey Yi</creatorcontrib><creatorcontrib>Azenan, Nurfarah Farhana</creatorcontrib><creatorcontrib>Wong, Liherng</creatorcontrib><creatorcontrib>Ng, Yin Sim</creatorcontrib><creatorcontrib>Chng, Lee Muei</creatorcontrib><creatorcontrib>Lim, JitKang</creatorcontrib><creatorcontrib>Chan, Derek Juinn Chieh</creatorcontrib><collection>CrossRef</collection><jtitle>Arabian journal for science and engineering (2011)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Toh, Pey Yi</au><au>Azenan, Nurfarah Farhana</au><au>Wong, Liherng</au><au>Ng, Yin Sim</au><au>Chng, Lee Muei</au><au>Lim, JitKang</au><au>Chan, Derek Juinn Chieh</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>The Role of Cationic Coagulant-to-Cell Interaction in Dictating the Flocculation-Aided Sedimentation of Freshwater Microalgae</atitle><jtitle>Arabian journal for science and engineering (2011)</jtitle><stitle>Arab J Sci Eng</stitle><date>2018-05-01</date><risdate>2018</risdate><volume>43</volume><issue>5</issue><spage>2217</spage><epage>2225</epage><pages>2217-2225</pages><issn>2193-567X</issn><issn>1319-8025</issn><eissn>2191-4281</eissn><abstract>The coagulant chitosan and poly(diallyldimethylammonium chloride) (PDDA) were proven effective to aid the sedimentation of microalgal cells through electrostatic patch flocculation. A total amount of 30 mg/L chitosan and PDDA can achieve cell separation efficiency of
96.7
±
0.7
and
98.4
±
1.0
%, respectively. The chitosan outperformed PDDA and promoted 4.4 times faster rate of cell sedimentation than the self-sedimentation rate of cells. The chitosan employed the mechanism of charge neutralization to form larger flocs, while the PDDA that favored the formation of loops and tails protruding away from cell surface employed the bridging mechanism to form flocs. The rate of cell sedimentation induced by chitosan was the highest at pH 7, 8 (control) and 9 compared to that of PDDA, where the cell flocculation by using chitosan was dominated by charge neutralization mechanism at pH 7 and 8 (control), while the cell flocculation was mainly driven by bridging mechanism at pH 9. This result shows that the chitosan is feasible in the harvesting of freshwater microalgae without the need of pH adjustment. Therefore, the chitosan was proven more reliable and time effective than the PDDA in harvesting the freshwater
Chlorella
sp. without the need of pH adjustment.</abstract><cop>Berlin/Heidelberg</cop><pub>Springer Berlin Heidelberg</pub><doi>10.1007/s13369-017-2584-1</doi><tpages>9</tpages><orcidid>https://orcid.org/0000-0002-1476-4074</orcidid></addata></record> |
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| subjects | Algae Chitosan Coagulants Engineering Flocculation Harvesting Humanities and Social Sciences multidisciplinary Research Article - Chemical Engineering Science Sedimentation |
| title | The Role of Cationic Coagulant-to-Cell Interaction in Dictating the Flocculation-Aided Sedimentation of Freshwater Microalgae |
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