Performance and mechanistic study on electrocoagulation process for municipal wastewater treatment based on horizontal bipolar electrodes
* EC modified with BPEs enhances pollutant removal and reduce energy consumption. * Increasing BPE number cannot increase flocculants yield exponentially. * Simulations help to predict the distribution of electrochemical reactions on BPEs. The design of electrodes is crucial to electrocoagulation pr...
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| Veröffentlicht in: | Frontiers of environmental science & engineering 2020-06, Vol.14 (3), p.40-40, Article 40 |
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| creator | Qi, Zhenlian You, Shijie Liu, Ranbin Chuah, C. Joon |
| description | * EC modified with BPEs enhances pollutant removal and reduce energy consumption. * Increasing BPE number cannot increase flocculants yield exponentially. * Simulations help to predict the distribution of electrochemical reactions on BPEs.
The design of electrodes is crucial to electrocoagulation process (EC), specifically, with respect to pollutant removal and energy consumption. During EC, the mechanisms for interaction between different electrode arrangement and electrode reactions remain unclear. This work presents an integrated EC process based on horizontal bipolar electrodes (BPEs). In the electrochemical cell, the graphite plates are used as driving cathode while either Fe or Al plates serves as driving anode and BPEs. The BPEs are placed horizontally between the driving electrodes. For municipal wastewater treatment, the pollutant removal efficiency and energy consumption in different configurations of two-dimension electrocoagulation (2D-EC) system with horizontal BPEs were investigated. The removal efficiency of turbidity, total phosphorus and total organic carbon increased significantly with the number of BPEs. Noted that the energy consumption for TP removal decreased by 75.2% with Fe driving anode and 81.5% with Al driving anode than those of 2D-EC, respectively. In addition, the physical field simulation suggested the distributions of potential and current in electrolyte and that of induced charge density on BPE surface. This work provides a visual theoretical guidance to predict the distribution of reactions on BPEs for enhanced pollutant removal and energy saving based on electrocoagulation process for municipal wastewater treatment. |
| doi_str_mv | 10.1007/s11783-020-1215-3 |
| format | Article |
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The design of electrodes is crucial to electrocoagulation process (EC), specifically, with respect to pollutant removal and energy consumption. During EC, the mechanisms for interaction between different electrode arrangement and electrode reactions remain unclear. This work presents an integrated EC process based on horizontal bipolar electrodes (BPEs). In the electrochemical cell, the graphite plates are used as driving cathode while either Fe or Al plates serves as driving anode and BPEs. The BPEs are placed horizontally between the driving electrodes. For municipal wastewater treatment, the pollutant removal efficiency and energy consumption in different configurations of two-dimension electrocoagulation (2D-EC) system with horizontal BPEs were investigated. The removal efficiency of turbidity, total phosphorus and total organic carbon increased significantly with the number of BPEs. Noted that the energy consumption for TP removal decreased by 75.2% with Fe driving anode and 81.5% with Al driving anode than those of 2D-EC, respectively. In addition, the physical field simulation suggested the distributions of potential and current in electrolyte and that of induced charge density on BPE surface. This work provides a visual theoretical guidance to predict the distribution of reactions on BPEs for enhanced pollutant removal and energy saving based on electrocoagulation process for municipal wastewater treatment.</description><identifier>ISSN: 2095-2201</identifier><identifier>EISSN: 2095-221X</identifier><identifier>DOI: 10.1007/s11783-020-1215-3</identifier><language>eng</language><publisher>Beijing: Higher Education Press</publisher><subject>anodes ; Bipolar electrodes ; cathodes ; Charge density ; Earth and Environmental Science ; Electrochemical cells ; Electrochemistry ; Electrocoagulation ; Electrodes ; electrolytes ; energy ; Energy conservation ; Energy consumption ; Environment ; graphene ; Iron ; Municipal wastewater ; Organic carbon ; Organic phosphorus ; Plates ; Pollutant removal ; Pollutants ; pollution control ; Research Article ; Simulations ; Total organic carbon ; total phosphorus ; Turbidity ; Wastewater treatment ; Water treatment</subject><ispartof>Frontiers of environmental science & engineering, 2020-06, Vol.14 (3), p.40-40, Article 40</ispartof><rights>Copyright reserved, 2020, Higher Education Press and Springer-Verlag GmbH Germany, part of Springer Nature</rights><rights>Higher Education Press and Springer-Verlag GmbH Germany, part of Springer Nature 2020</rights><rights>Higher Education Press and Springer-Verlag GmbH Germany, part of Springer Nature 2020.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c398t-9cacbcffb5d0b22bb6aa6ef5463f3d2652c05197eb75cea39de5339f1c3127d33</citedby><cites>FETCH-LOGICAL-c398t-9cacbcffb5d0b22bb6aa6ef5463f3d2652c05197eb75cea39de5339f1c3127d33</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s11783-020-1215-3$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://www.proquest.com/docview/2918745725?pq-origsite=primo$$EHTML$$P50$$Gproquest$$H</linktohtml><link.rule.ids>314,776,780,21369,27903,27904,33723,33724,41467,42536,43784,51297</link.rule.ids></links><search><creatorcontrib>Qi, Zhenlian</creatorcontrib><creatorcontrib>You, Shijie</creatorcontrib><creatorcontrib>Liu, Ranbin</creatorcontrib><creatorcontrib>Chuah, C. Joon</creatorcontrib><title>Performance and mechanistic study on electrocoagulation process for municipal wastewater treatment based on horizontal bipolar electrodes</title><title>Frontiers of environmental science & engineering</title><addtitle>Front. Environ. Sci. Eng</addtitle><description>* EC modified with BPEs enhances pollutant removal and reduce energy consumption. * Increasing BPE number cannot increase flocculants yield exponentially. * Simulations help to predict the distribution of electrochemical reactions on BPEs.
The design of electrodes is crucial to electrocoagulation process (EC), specifically, with respect to pollutant removal and energy consumption. During EC, the mechanisms for interaction between different electrode arrangement and electrode reactions remain unclear. This work presents an integrated EC process based on horizontal bipolar electrodes (BPEs). In the electrochemical cell, the graphite plates are used as driving cathode while either Fe or Al plates serves as driving anode and BPEs. The BPEs are placed horizontally between the driving electrodes. For municipal wastewater treatment, the pollutant removal efficiency and energy consumption in different configurations of two-dimension electrocoagulation (2D-EC) system with horizontal BPEs were investigated. The removal efficiency of turbidity, total phosphorus and total organic carbon increased significantly with the number of BPEs. Noted that the energy consumption for TP removal decreased by 75.2% with Fe driving anode and 81.5% with Al driving anode than those of 2D-EC, respectively. In addition, the physical field simulation suggested the distributions of potential and current in electrolyte and that of induced charge density on BPE surface. This work provides a visual theoretical guidance to predict the distribution of reactions on BPEs for enhanced pollutant removal and energy saving based on electrocoagulation process for municipal wastewater treatment.</description><subject>anodes</subject><subject>Bipolar electrodes</subject><subject>cathodes</subject><subject>Charge density</subject><subject>Earth and Environmental Science</subject><subject>Electrochemical cells</subject><subject>Electrochemistry</subject><subject>Electrocoagulation</subject><subject>Electrodes</subject><subject>electrolytes</subject><subject>energy</subject><subject>Energy conservation</subject><subject>Energy consumption</subject><subject>Environment</subject><subject>graphene</subject><subject>Iron</subject><subject>Municipal wastewater</subject><subject>Organic carbon</subject><subject>Organic phosphorus</subject><subject>Plates</subject><subject>Pollutant removal</subject><subject>Pollutants</subject><subject>pollution control</subject><subject>Research Article</subject><subject>Simulations</subject><subject>Total organic carbon</subject><subject>total phosphorus</subject><subject>Turbidity</subject><subject>Wastewater treatment</subject><subject>Water treatment</subject><issn>2095-2201</issn><issn>2095-221X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><sourceid>BENPR</sourceid><recordid>eNp9kU1rFTEUhgdRaKn9Ad0F3LgZm4-bm8xSil9Q0IWCu3AmObk3ZSYZkwyl_gP_tblMVXDRbJITnvflnPN23RWjbxil6rowprToKac940z24ll3zukge87Z9-d_35SddZel3NF2tN4xLc67X18w-5RniBYJREdmtEeIodRgSamreyApEpzQ1pxsgsM6QQ3ta2kllkKamMxrDDYsMJF7KBXvoWImNSPUGWMlIxR0J5tjyuFnirWBY1jSBPmPs8PysnvhYSp4-XhfdN_ev_t687G__fzh083b296KQdd-sGBH6_0oHR05H8c9wB693O2FF47vJbdUskHhqKRFEINDKcTgmRWMKyfERfd6820T_FixVDOHYnGaIGJai-FCayUFU7uGvvoPvUtrjq07wwem1U4qLhvFNsrmVEpGb5YcZsgPhlFzysds-ZiWjznlY05N8E1TGhsPmP85PyXSm-gYDkfM6JbcEjA-t5UGzE9JfwNPQKj8</recordid><startdate>20200601</startdate><enddate>20200601</enddate><creator>Qi, Zhenlian</creator><creator>You, Shijie</creator><creator>Liu, Ranbin</creator><creator>Chuah, C. Joon</creator><general>Higher Education Press</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>AEUYN</scope><scope>AFKRA</scope><scope>ATCPS</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>BHPHI</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>GNUQQ</scope><scope>HCIFZ</scope><scope>L6V</scope><scope>M7S</scope><scope>PATMY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PTHSS</scope><scope>PYCSY</scope><scope>7S9</scope><scope>L.6</scope></search><sort><creationdate>20200601</creationdate><title>Performance and mechanistic study on electrocoagulation process for municipal wastewater treatment based on horizontal bipolar electrodes</title><author>Qi, Zhenlian ; You, Shijie ; Liu, Ranbin ; Chuah, C. Joon</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c398t-9cacbcffb5d0b22bb6aa6ef5463f3d2652c05197eb75cea39de5339f1c3127d33</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>anodes</topic><topic>Bipolar electrodes</topic><topic>cathodes</topic><topic>Charge density</topic><topic>Earth and Environmental Science</topic><topic>Electrochemical cells</topic><topic>Electrochemistry</topic><topic>Electrocoagulation</topic><topic>Electrodes</topic><topic>electrolytes</topic><topic>energy</topic><topic>Energy conservation</topic><topic>Energy consumption</topic><topic>Environment</topic><topic>graphene</topic><topic>Iron</topic><topic>Municipal wastewater</topic><topic>Organic carbon</topic><topic>Organic phosphorus</topic><topic>Plates</topic><topic>Pollutant removal</topic><topic>Pollutants</topic><topic>pollution control</topic><topic>Research Article</topic><topic>Simulations</topic><topic>Total organic carbon</topic><topic>total phosphorus</topic><topic>Turbidity</topic><topic>Wastewater treatment</topic><topic>Water treatment</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Qi, Zhenlian</creatorcontrib><creatorcontrib>You, Shijie</creatorcontrib><creatorcontrib>Liu, Ranbin</creatorcontrib><creatorcontrib>Chuah, C. 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Joon</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Performance and mechanistic study on electrocoagulation process for municipal wastewater treatment based on horizontal bipolar electrodes</atitle><jtitle>Frontiers of environmental science & engineering</jtitle><stitle>Front. Environ. Sci. Eng</stitle><date>2020-06-01</date><risdate>2020</risdate><volume>14</volume><issue>3</issue><spage>40</spage><epage>40</epage><pages>40-40</pages><artnum>40</artnum><issn>2095-2201</issn><eissn>2095-221X</eissn><abstract>* EC modified with BPEs enhances pollutant removal and reduce energy consumption. * Increasing BPE number cannot increase flocculants yield exponentially. * Simulations help to predict the distribution of electrochemical reactions on BPEs.
The design of electrodes is crucial to electrocoagulation process (EC), specifically, with respect to pollutant removal and energy consumption. During EC, the mechanisms for interaction between different electrode arrangement and electrode reactions remain unclear. This work presents an integrated EC process based on horizontal bipolar electrodes (BPEs). In the electrochemical cell, the graphite plates are used as driving cathode while either Fe or Al plates serves as driving anode and BPEs. The BPEs are placed horizontally between the driving electrodes. For municipal wastewater treatment, the pollutant removal efficiency and energy consumption in different configurations of two-dimension electrocoagulation (2D-EC) system with horizontal BPEs were investigated. The removal efficiency of turbidity, total phosphorus and total organic carbon increased significantly with the number of BPEs. Noted that the energy consumption for TP removal decreased by 75.2% with Fe driving anode and 81.5% with Al driving anode than those of 2D-EC, respectively. In addition, the physical field simulation suggested the distributions of potential and current in electrolyte and that of induced charge density on BPE surface. This work provides a visual theoretical guidance to predict the distribution of reactions on BPEs for enhanced pollutant removal and energy saving based on electrocoagulation process for municipal wastewater treatment.</abstract><cop>Beijing</cop><pub>Higher Education Press</pub><doi>10.1007/s11783-020-1215-3</doi><tpages>1</tpages></addata></record> |
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| subjects | anodes Bipolar electrodes cathodes Charge density Earth and Environmental Science Electrochemical cells Electrochemistry Electrocoagulation Electrodes electrolytes energy Energy conservation Energy consumption Environment graphene Iron Municipal wastewater Organic carbon Organic phosphorus Plates Pollutant removal Pollutants pollution control Research Article Simulations Total organic carbon total phosphorus Turbidity Wastewater treatment Water treatment |
| title | Performance and mechanistic study on electrocoagulation process for municipal wastewater treatment based on horizontal bipolar electrodes |
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