Adsorption of Brilliant Blue and Malachite Green by Nano‐graphene Exfoliated from Waste Batteries
Waste graphite rods from waste batteries, acting as a source of graphite, were electrochemically exfoliated to synthesize graphene. Mesoporous graphene with a pore size of 14.81 Å and a surface area of 710.396 m2g−1 was chosen for adsorptive studies involving toxic dyes, Brilliant Blue (BB) and Mala...
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| Veröffentlicht in: | Chemical engineering & technology 2021-10, Vol.44 (10), p.1877-1889 |
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| creator | Karunanithi, Bogeshwaran Kannaiyan, Sathish Kumar Balakrishnan, Karunanithi Muralidharan, Srividhya Gopi, Gowri |
| description | Waste graphite rods from waste batteries, acting as a source of graphite, were electrochemically exfoliated to synthesize graphene. Mesoporous graphene with a pore size of 14.81 Å and a surface area of 710.396 m2g−1 was chosen for adsorptive studies involving toxic dyes, Brilliant Blue (BB) and Malachite Green (MG), by varying the graphene dosage, contact period, temperature, pH, and the concentration of the dye solution. The maximum adsorption capacities reported were 120 mg gBB−1 and 342 mg gMG−1, with dye removal rates of BB and MG greater than 99 and 98 %, respectively. Adsorption occurred as multilayer, following the Freundlich isotherm model, and the pseudo‐second‐order kinetic model fitted best, indicating chemisorption. Thermodynamic studies reveal an exothermic, spontaneous, and chemical adsorption.
Nano‐graphene was electrochemically exfoliated from waste batteries (AA, AAA) by using magnesium sulfate as a novel electrolyte, providing a sustainable, cost‐effective methodology. The mesoporous graphene powder was able to efficiently remove 99 % of harmful dyes like Malachite Green and Brilliant Blue from wastewater in a short time. |
| doi_str_mv | 10.1002/ceat.202100213 |
| format | Article |
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Nano‐graphene was electrochemically exfoliated from waste batteries (AA, AAA) by using magnesium sulfate as a novel electrolyte, providing a sustainable, cost‐effective methodology. The mesoporous graphene powder was able to efficiently remove 99 % of harmful dyes like Malachite Green and Brilliant Blue from wastewater in a short time.</description><identifier>ISSN: 0930-7516</identifier><identifier>EISSN: 1521-4125</identifier><identifier>DOI: 10.1002/ceat.202100213</identifier><language>eng</language><publisher>Frankfurt: Wiley Subscription Services, Inc</publisher><subject>Adsorption ; Adsorptivity ; Brilliant Blue ; Chemisorption ; Dyes ; Graphene ; Graphite ; Malachite Green ; Multilayers ; Nano‐graphene ; Pore size ; Waste batteries</subject><ispartof>Chemical engineering & technology, 2021-10, Vol.44 (10), p.1877-1889</ispartof><rights>2021 Wiley‐VCH GmbH</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c3173-4999d6c068cec09f16c35fc7c92a0b07308ee1969a328ff6995a9313098f204a3</citedby><cites>FETCH-LOGICAL-c3173-4999d6c068cec09f16c35fc7c92a0b07308ee1969a328ff6995a9313098f204a3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1002%2Fceat.202100213$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2Fceat.202100213$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,776,780,1411,27901,27902,45550,45551</link.rule.ids></links><search><creatorcontrib>Karunanithi, Bogeshwaran</creatorcontrib><creatorcontrib>Kannaiyan, Sathish Kumar</creatorcontrib><creatorcontrib>Balakrishnan, Karunanithi</creatorcontrib><creatorcontrib>Muralidharan, Srividhya</creatorcontrib><creatorcontrib>Gopi, Gowri</creatorcontrib><title>Adsorption of Brilliant Blue and Malachite Green by Nano‐graphene Exfoliated from Waste Batteries</title><title>Chemical engineering & technology</title><description>Waste graphite rods from waste batteries, acting as a source of graphite, were electrochemically exfoliated to synthesize graphene. Mesoporous graphene with a pore size of 14.81 Å and a surface area of 710.396 m2g−1 was chosen for adsorptive studies involving toxic dyes, Brilliant Blue (BB) and Malachite Green (MG), by varying the graphene dosage, contact period, temperature, pH, and the concentration of the dye solution. The maximum adsorption capacities reported were 120 mg gBB−1 and 342 mg gMG−1, with dye removal rates of BB and MG greater than 99 and 98 %, respectively. Adsorption occurred as multilayer, following the Freundlich isotherm model, and the pseudo‐second‐order kinetic model fitted best, indicating chemisorption. Thermodynamic studies reveal an exothermic, spontaneous, and chemical adsorption.
Nano‐graphene was electrochemically exfoliated from waste batteries (AA, AAA) by using magnesium sulfate as a novel electrolyte, providing a sustainable, cost‐effective methodology. The mesoporous graphene powder was able to efficiently remove 99 % of harmful dyes like Malachite Green and Brilliant Blue from wastewater in a short time.</description><subject>Adsorption</subject><subject>Adsorptivity</subject><subject>Brilliant Blue</subject><subject>Chemisorption</subject><subject>Dyes</subject><subject>Graphene</subject><subject>Graphite</subject><subject>Malachite Green</subject><subject>Multilayers</subject><subject>Nano‐graphene</subject><subject>Pore size</subject><subject>Waste batteries</subject><issn>0930-7516</issn><issn>1521-4125</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><recordid>eNqFkM1KAzEUhYMoWKtb1wHXU2-S-cuyLbUKVTcVlyHN3Ngp00lNUrQ7H8Fn9EmcUtGlq8uB77sHDiGXDAYMgF8b1HHAge8DE0ekxzLOkpTx7Jj0QApIiozlp-QshBUAsC70iBlWwflNrF1LnaUjXzdNrdtIR80WqW4req8bbZZ1RDr1iC1d7OiDbt3Xx-eL15sltkgn79Z1VsSKWu_W9FmHDh_pGNHXGM7JidVNwIuf2ydPN5P5-DaZPU7vxsNZYgQrRJJKKavcQF4aNCAty43IrCmM5BoWUAgoEZnMpRa8tDaXMtNSMAGytBxSLfrk6vB3493rFkNUK7f1bVepeFakomvJZUcNDpTxLgSPVm18vdZ-pxio_XZqP6T6HbIT5EF4qxvc_UOr8WQ4_3O_AX7od08</recordid><startdate>202110</startdate><enddate>202110</enddate><creator>Karunanithi, Bogeshwaran</creator><creator>Kannaiyan, Sathish Kumar</creator><creator>Balakrishnan, Karunanithi</creator><creator>Muralidharan, Srividhya</creator><creator>Gopi, Gowri</creator><general>Wiley Subscription Services, Inc</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7U5</scope><scope>8FD</scope><scope>L7M</scope></search><sort><creationdate>202110</creationdate><title>Adsorption of Brilliant Blue and Malachite Green by Nano‐graphene Exfoliated from Waste Batteries</title><author>Karunanithi, Bogeshwaran ; Kannaiyan, Sathish Kumar ; Balakrishnan, Karunanithi ; Muralidharan, Srividhya ; Gopi, Gowri</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3173-4999d6c068cec09f16c35fc7c92a0b07308ee1969a328ff6995a9313098f204a3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Adsorption</topic><topic>Adsorptivity</topic><topic>Brilliant Blue</topic><topic>Chemisorption</topic><topic>Dyes</topic><topic>Graphene</topic><topic>Graphite</topic><topic>Malachite Green</topic><topic>Multilayers</topic><topic>Nano‐graphene</topic><topic>Pore size</topic><topic>Waste batteries</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Karunanithi, Bogeshwaran</creatorcontrib><creatorcontrib>Kannaiyan, Sathish Kumar</creatorcontrib><creatorcontrib>Balakrishnan, Karunanithi</creatorcontrib><creatorcontrib>Muralidharan, Srividhya</creatorcontrib><creatorcontrib>Gopi, Gowri</creatorcontrib><collection>CrossRef</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Chemical engineering & technology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Karunanithi, Bogeshwaran</au><au>Kannaiyan, Sathish Kumar</au><au>Balakrishnan, Karunanithi</au><au>Muralidharan, Srividhya</au><au>Gopi, Gowri</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Adsorption of Brilliant Blue and Malachite Green by Nano‐graphene Exfoliated from Waste Batteries</atitle><jtitle>Chemical engineering & technology</jtitle><date>2021-10</date><risdate>2021</risdate><volume>44</volume><issue>10</issue><spage>1877</spage><epage>1889</epage><pages>1877-1889</pages><issn>0930-7516</issn><eissn>1521-4125</eissn><abstract>Waste graphite rods from waste batteries, acting as a source of graphite, were electrochemically exfoliated to synthesize graphene. Mesoporous graphene with a pore size of 14.81 Å and a surface area of 710.396 m2g−1 was chosen for adsorptive studies involving toxic dyes, Brilliant Blue (BB) and Malachite Green (MG), by varying the graphene dosage, contact period, temperature, pH, and the concentration of the dye solution. The maximum adsorption capacities reported were 120 mg gBB−1 and 342 mg gMG−1, with dye removal rates of BB and MG greater than 99 and 98 %, respectively. Adsorption occurred as multilayer, following the Freundlich isotherm model, and the pseudo‐second‐order kinetic model fitted best, indicating chemisorption. Thermodynamic studies reveal an exothermic, spontaneous, and chemical adsorption.
Nano‐graphene was electrochemically exfoliated from waste batteries (AA, AAA) by using magnesium sulfate as a novel electrolyte, providing a sustainable, cost‐effective methodology. The mesoporous graphene powder was able to efficiently remove 99 % of harmful dyes like Malachite Green and Brilliant Blue from wastewater in a short time.</abstract><cop>Frankfurt</cop><pub>Wiley Subscription Services, Inc</pub><doi>10.1002/ceat.202100213</doi><tpages>13</tpages></addata></record> |
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| subjects | Adsorption Adsorptivity Brilliant Blue Chemisorption Dyes Graphene Graphite Malachite Green Multilayers Nano‐graphene Pore size Waste batteries |
| title | Adsorption of Brilliant Blue and Malachite Green by Nano‐graphene Exfoliated from Waste Batteries |
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