Production of activated carbon from exhausted coffee grounds chemically modified with natural eucalyptus ash lye and its use in the fluoride adsorption process
The objective of this research was to produce an activated carbon (AC) from exhausted coffee grounds (ECG) and chemically activate it with natural lye from eucalyptus ash to subsequently evaluate the fluoride adsorption process in an aqueous medium. The thermal analysis of ECG was determined as well...
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| Veröffentlicht in: | Environmental science and pollution research international 2023-08, Vol.30 (39), p.91276-91291 |
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| creator | Bergamini, Mário Henrique Lobo de Oliveira, Sérgio Botelho Scalize, Paulo Sérgio |
| description | The objective of this research was to produce an activated carbon (AC) from exhausted coffee grounds (ECG) and chemically activate it with natural lye from eucalyptus ash to subsequently evaluate the fluoride adsorption process in an aqueous medium. The thermal analysis of ECG was determined as well as solubilized extraction, alkalinity and calcium content of eucalyptus ashes. AC was characterized by elemental analysis, scanning electron microscopy, X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), analysis of textural properties, pH and point of zero charge (PZC). The AC presented macroporosity and XRD confirmed the amorphous characteristic of cellulose-containing materials. Carboxylic acid functional group was identified in the AC surface, which can contribute to the adsorption of fluoride. The specific surface area of ECG and AC were 189.01 and 21.74 m
2
/g. The adsorption kinetics of fluoride revealed that equilibrium is reached around 800 min and the data followed the pseudo-second order model. The Freundlich model fitted the experimental data with the best quality and Freundlich’s constant n allowed inferring that the adsorption is favorable and the isotherm appears to be L-type, with an initial downward curvature, which suggests less availability of active sites when increasing the adsorbent concentration. |
| doi_str_mv | 10.1007/s11356-023-28825-x |
| format | Article |
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2
/g. The adsorption kinetics of fluoride revealed that equilibrium is reached around 800 min and the data followed the pseudo-second order model. The Freundlich model fitted the experimental data with the best quality and Freundlich’s constant n allowed inferring that the adsorption is favorable and the isotherm appears to be L-type, with an initial downward curvature, which suggests less availability of active sites when increasing the adsorbent concentration.</description><identifier>ISSN: 1614-7499</identifier><identifier>ISSN: 0944-1344</identifier><identifier>EISSN: 1614-7499</identifier><identifier>DOI: 10.1007/s11356-023-28825-x</identifier><identifier>PMID: 37474854</identifier><language>eng</language><publisher>Berlin/Heidelberg: Springer Berlin Heidelberg</publisher><subject>Activated carbon ; Adsorption ; Alkalinity ; Amorphous materials ; Aquatic Pollution ; Aqueous solutions ; Ashes ; Atmospheric Protection/Air Quality Control/Air Pollution ; Carboxylic acids ; Cellulose ; Charcoal - chemistry ; Chemical analysis ; Coffee ; Earth and Environmental Science ; Ecotoxicology ; Environment ; Environmental Chemistry ; Environmental Health ; Environmental science ; Eucalyptus ; Fluorides ; Fourier transforms ; Functional groups ; Hydrogen-Ion Concentration ; Infrared analysis ; Infrared spectroscopy ; Kinetics ; Lye ; Macroporosity ; Research Article ; Scanning electron microscopy ; Spectroscopy, Fourier Transform Infrared ; Surface chemistry ; Thermal analysis ; Waste Water Technology ; Water Management ; Water Pollutants, Chemical - chemistry ; Water Pollution Control ; X-ray diffraction</subject><ispartof>Environmental science and pollution research international, 2023-08, Vol.30 (39), p.91276-91291</ispartof><rights>The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law.</rights><rights>2023. The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c375t-f791cdbdc48ab04ec67b6d5a726ad2444ee3b0a4a480976740db755bfe5bc25a3</citedby><cites>FETCH-LOGICAL-c375t-f791cdbdc48ab04ec67b6d5a726ad2444ee3b0a4a480976740db755bfe5bc25a3</cites><orcidid>0000-0001-6769-6098</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/s11356-023-28825-x$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s11356-023-28825-x$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,780,784,27924,27925,41488,42557,51319</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/37474854$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Bergamini, Mário Henrique Lobo</creatorcontrib><creatorcontrib>de Oliveira, Sérgio Botelho</creatorcontrib><creatorcontrib>Scalize, Paulo Sérgio</creatorcontrib><title>Production of activated carbon from exhausted coffee grounds chemically modified with natural eucalyptus ash lye and its use in the fluoride adsorption process</title><title>Environmental science and pollution research international</title><addtitle>Environ Sci Pollut Res</addtitle><addtitle>Environ Sci Pollut Res Int</addtitle><description>The objective of this research was to produce an activated carbon (AC) from exhausted coffee grounds (ECG) and chemically activate it with natural lye from eucalyptus ash to subsequently evaluate the fluoride adsorption process in an aqueous medium. The thermal analysis of ECG was determined as well as solubilized extraction, alkalinity and calcium content of eucalyptus ashes. AC was characterized by elemental analysis, scanning electron microscopy, X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), analysis of textural properties, pH and point of zero charge (PZC). The AC presented macroporosity and XRD confirmed the amorphous characteristic of cellulose-containing materials. Carboxylic acid functional group was identified in the AC surface, which can contribute to the adsorption of fluoride. The specific surface area of ECG and AC were 189.01 and 21.74 m
2
/g. The adsorption kinetics of fluoride revealed that equilibrium is reached around 800 min and the data followed the pseudo-second order model. The Freundlich model fitted the experimental data with the best quality and Freundlich’s constant n allowed inferring that the adsorption is favorable and the isotherm appears to be L-type, with an initial downward curvature, which suggests less availability of active sites when increasing the adsorbent concentration.</description><subject>Activated carbon</subject><subject>Adsorption</subject><subject>Alkalinity</subject><subject>Amorphous materials</subject><subject>Aquatic Pollution</subject><subject>Aqueous solutions</subject><subject>Ashes</subject><subject>Atmospheric Protection/Air Quality Control/Air Pollution</subject><subject>Carboxylic acids</subject><subject>Cellulose</subject><subject>Charcoal - chemistry</subject><subject>Chemical analysis</subject><subject>Coffee</subject><subject>Earth and Environmental Science</subject><subject>Ecotoxicology</subject><subject>Environment</subject><subject>Environmental Chemistry</subject><subject>Environmental Health</subject><subject>Environmental science</subject><subject>Eucalyptus</subject><subject>Fluorides</subject><subject>Fourier transforms</subject><subject>Functional groups</subject><subject>Hydrogen-Ion Concentration</subject><subject>Infrared analysis</subject><subject>Infrared spectroscopy</subject><subject>Kinetics</subject><subject>Lye</subject><subject>Macroporosity</subject><subject>Research Article</subject><subject>Scanning electron microscopy</subject><subject>Spectroscopy, Fourier Transform Infrared</subject><subject>Surface chemistry</subject><subject>Thermal analysis</subject><subject>Waste Water Technology</subject><subject>Water Management</subject><subject>Water Pollutants, Chemical - chemistry</subject><subject>Water Pollution Control</subject><subject>X-ray diffraction</subject><issn>1614-7499</issn><issn>0944-1344</issn><issn>1614-7499</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2023</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><recordid>eNp9kcuO1DAQRSMEYoaBH2CBLLFhE_AzTpZoxEsaCRawthy7PPEoiRtXzHR_Db-K6R4eYsGqSnVP3SrpNs1TRl8ySvUrZEyorqVctLzvuWr395pz1jHZajkM9__qz5pHiDeUcjpw_bA5E1pq2St53nz_lJMvbotpJSkQW7tvdgNPnM1jnYWcFgL7yRY8TlMIAOQ6p7J6JG6CJTo7zweyJB9DrMht3Cay2q1kOxMoVT3stoLE4kTmAxC7ehI3JAWBxJVsE5Awl5Sjr5rHlHfHZ3Y5OUB83DwIdkZ4clcvmi9v33y-fN9efXz34fL1VeuEVlsb9MCcH72TvR2pBNfpsfPKat5Zz6WUAGKkVlrZ00F3WlI_aqXGAGp0XFlx0bw4-da7XwvgZpaIDubZrpAKGt5LRtkwUF3R5_-gN6nktX5XKSWYELIbKsVPlMsJMUMwuxwXmw-GUfMzPnOKz9T4zDE-s69Lz-6sy7iA_73yK68KiBOAVVqvIf-5_R_bHwoLqm4</recordid><startdate>20230801</startdate><enddate>20230801</enddate><creator>Bergamini, Mário Henrique Lobo</creator><creator>de Oliveira, Sérgio Botelho</creator><creator>Scalize, Paulo Sérgio</creator><general>Springer Berlin Heidelberg</general><general>Springer Nature B.V</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7QL</scope><scope>7SN</scope><scope>7T7</scope><scope>7TV</scope><scope>7U7</scope><scope>7WY</scope><scope>7WZ</scope><scope>7X7</scope><scope>7XB</scope><scope>87Z</scope><scope>88E</scope><scope>88I</scope><scope>8AO</scope><scope>8C1</scope><scope>8FD</scope><scope>8FI</scope><scope>8FJ</scope><scope>8FK</scope><scope>8FL</scope><scope>ABUWG</scope><scope>AEUYN</scope><scope>AFKRA</scope><scope>ATCPS</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BEZIV</scope><scope>BHPHI</scope><scope>C1K</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>FR3</scope><scope>FRNLG</scope><scope>FYUFA</scope><scope>F~G</scope><scope>GHDGH</scope><scope>GNUQQ</scope><scope>HCIFZ</scope><scope>K60</scope><scope>K6~</scope><scope>K9.</scope><scope>L.-</scope><scope>M0C</scope><scope>M0S</scope><scope>M1P</scope><scope>M2P</scope><scope>M7N</scope><scope>P64</scope><scope>PATMY</scope><scope>PQBIZ</scope><scope>PQBZA</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PYCSY</scope><scope>Q9U</scope><scope>7X8</scope><orcidid>https://orcid.org/0000-0001-6769-6098</orcidid></search><sort><creationdate>20230801</creationdate><title>Production of activated carbon from exhausted coffee grounds chemically modified with natural eucalyptus ash lye and its use in the fluoride adsorption process</title><author>Bergamini, Mário Henrique Lobo ; de Oliveira, Sérgio Botelho ; Scalize, Paulo Sérgio</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c375t-f791cdbdc48ab04ec67b6d5a726ad2444ee3b0a4a480976740db755bfe5bc25a3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2023</creationdate><topic>Activated carbon</topic><topic>Adsorption</topic><topic>Alkalinity</topic><topic>Amorphous materials</topic><topic>Aquatic Pollution</topic><topic>Aqueous solutions</topic><topic>Ashes</topic><topic>Atmospheric Protection/Air Quality Control/Air Pollution</topic><topic>Carboxylic acids</topic><topic>Cellulose</topic><topic>Charcoal - 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Academic</collection><jtitle>Environmental science and pollution research international</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Bergamini, Mário Henrique Lobo</au><au>de Oliveira, Sérgio Botelho</au><au>Scalize, Paulo Sérgio</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Production of activated carbon from exhausted coffee grounds chemically modified with natural eucalyptus ash lye and its use in the fluoride adsorption process</atitle><jtitle>Environmental science and pollution research international</jtitle><stitle>Environ Sci Pollut Res</stitle><addtitle>Environ Sci Pollut Res Int</addtitle><date>2023-08-01</date><risdate>2023</risdate><volume>30</volume><issue>39</issue><spage>91276</spage><epage>91291</epage><pages>91276-91291</pages><issn>1614-7499</issn><issn>0944-1344</issn><eissn>1614-7499</eissn><abstract>The objective of this research was to produce an activated carbon (AC) from exhausted coffee grounds (ECG) and chemically activate it with natural lye from eucalyptus ash to subsequently evaluate the fluoride adsorption process in an aqueous medium. The thermal analysis of ECG was determined as well as solubilized extraction, alkalinity and calcium content of eucalyptus ashes. AC was characterized by elemental analysis, scanning electron microscopy, X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), analysis of textural properties, pH and point of zero charge (PZC). The AC presented macroporosity and XRD confirmed the amorphous characteristic of cellulose-containing materials. Carboxylic acid functional group was identified in the AC surface, which can contribute to the adsorption of fluoride. The specific surface area of ECG and AC were 189.01 and 21.74 m
2
/g. The adsorption kinetics of fluoride revealed that equilibrium is reached around 800 min and the data followed the pseudo-second order model. The Freundlich model fitted the experimental data with the best quality and Freundlich’s constant n allowed inferring that the adsorption is favorable and the isotherm appears to be L-type, with an initial downward curvature, which suggests less availability of active sites when increasing the adsorbent concentration.</abstract><cop>Berlin/Heidelberg</cop><pub>Springer Berlin Heidelberg</pub><pmid>37474854</pmid><doi>10.1007/s11356-023-28825-x</doi><tpages>16</tpages><orcidid>https://orcid.org/0000-0001-6769-6098</orcidid></addata></record> |
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| subjects | Activated carbon Adsorption Alkalinity Amorphous materials Aquatic Pollution Aqueous solutions Ashes Atmospheric Protection/Air Quality Control/Air Pollution Carboxylic acids Cellulose Charcoal - chemistry Chemical analysis Coffee Earth and Environmental Science Ecotoxicology Environment Environmental Chemistry Environmental Health Environmental science Eucalyptus Fluorides Fourier transforms Functional groups Hydrogen-Ion Concentration Infrared analysis Infrared spectroscopy Kinetics Lye Macroporosity Research Article Scanning electron microscopy Spectroscopy, Fourier Transform Infrared Surface chemistry Thermal analysis Waste Water Technology Water Management Water Pollutants, Chemical - chemistry Water Pollution Control X-ray diffraction |
| title | Production of activated carbon from exhausted coffee grounds chemically modified with natural eucalyptus ash lye and its use in the fluoride adsorption process |
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