Development and characterization of activated hydrochars from orange peels as potential adsorbents for emerging organic contaminants.
Identifieur interne : 000704 ( Main/Exploration ); précédent : 000703; suivant : 000705Development and characterization of activated hydrochars from orange peels as potential adsorbents for emerging organic contaminants.
Auteurs : M E Fernandez [Argentine] ; B. Ledesma [Espagne] ; S. Román [Espagne] ; P R Bonelli [Argentine] ; A L Cukierman [Argentine]Source :
- Bioresource technology [ 1873-2976 ] ; 2015.
English descriptors
- KwdEn :
- MESH :
- chemical , chemistry : Charcoal, Nitrogen, Salicylic Acid, Water.
- chemistry : Citrus.
- chemical , isolation & purification : Diclofenac, Water Pollutants, Chemical.
- Adsorption, Kinetics, Models, Theoretical, Organic Chemicals, Temperature, Waste Products.
Abstract
Activated hydrochars obtained from the hydrothermal carbonization of orange peels (Citrus sinensis) followed by various thermochemical processing were assessed as adsorbents for emerging contaminants in water. Thermal activation under flows of CO2 or air as well as chemical activation with phosphoric acid were applied to the hydrochars. Their characteristics were analyzed and related to their ability to uptake three pharmaceuticals (diclofenac sodium, salicylic acid and flurbiprofen) considered as emerging contaminants. The hydrothermal carbonization and subsequent activations promoted substantial chemical transformations which affected the surface properties of the activated hydrochars; they exhibited specific surface areas ranging from 300 to ∼620 m(2)/g. Morphological characterization showed the development of coral-like microspheres dominating the surface of most hydrochars. Their ability to adsorb the three pharmaceuticals selected was found largely dependent on whether the molecules were ionized or in their neutral form and on the porosity developed by the new adsorbents.
DOI: 10.1016/j.biortech.2015.02.035
PubMed: 25742754
Affiliations:
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Le document en format XML
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Rivadavia 1917, C1033AAJ Buenos Aires</wicri:regionArea><wicri:noRegion>C1033AAJ Buenos Aires</wicri:noRegion></affiliation></author><author><name sortKey="Cukierman, A L" sort="Cukierman, A L" uniqKey="Cukierman A" first="A L" last="Cukierman">A L Cukierman</name><affiliation wicri:level="1"><nlm:affiliation>Programa de Investigación y Desarrollo de Fuentes Alternativas de Materias Primas y Energía (PINMATE), Departamento de Industrias, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Intendente Güiraldes 2620, Ciudad Universitaria, C1428BGA Buenos Aires, Argentina; Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Av. Rivadavia 1917, C1033AAJ Buenos Aires, Argentina; Cátedra de Farmacotecnia II, Departamento de Tecnología Farmacéutica, Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Junín 956, C1113AAD Buenos Aires, Argentina.</nlm:affiliation><country xml:lang="fr">Argentine</country><wicri:regionArea>Programa de Investigación y Desarrollo de Fuentes Alternativas de Materias Primas y Energía (PINMATE), Departamento de Industrias, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Intendente Güiraldes 2620, Ciudad Universitaria, C1428BGA Buenos Aires, Argentina; Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Av. Rivadavia 1917, C1033AAJ Buenos Aires, Argentina; Cátedra de Farmacotecnia II, Departamento de Tecnología Farmacéutica, Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Junín 956, C1113AAD Buenos Aires</wicri:regionArea><wicri:noRegion>C1113AAD Buenos Aires</wicri:noRegion></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2015">2015</date><idno type="RBID">pubmed:25742754</idno><idno type="pmid">25742754</idno><idno type="doi">10.1016/j.biortech.2015.02.035</idno><idno type="wicri:Area/PubMed/Corpus">000182</idno><idno type="wicri:Area/PubMed/Curation">000182</idno><idno type="wicri:Area/PubMed/Checkpoint">000182</idno><idno type="wicri:Area/Ncbi/Merge">001A28</idno><idno type="wicri:Area/Ncbi/Curation">001A28</idno><idno type="wicri:Area/Ncbi/Checkpoint">001A28</idno><idno type="wicri:Area/Main/Merge">000704</idno><idno type="wicri:Area/Main/Curation">000704</idno><idno type="wicri:Area/Main/Exploration">000704</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Development and characterization of activated hydrochars from orange peels as potential adsorbents for emerging organic contaminants.</title><author><name sortKey="Fernandez, M E" sort="Fernandez, M E" uniqKey="Fernandez M" first="M E" last="Fernandez">M E Fernandez</name><affiliation wicri:level="1"><nlm:affiliation>Programa de Investigación y Desarrollo de Fuentes Alternativas de Materias Primas y Energía (PINMATE), Departamento de Industrias, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Intendente Güiraldes 2620, Ciudad Universitaria, C1428BGA Buenos Aires, Argentina; Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Av. Rivadavia 1917, C1033AAJ Buenos Aires, Argentina.</nlm:affiliation><country xml:lang="fr">Argentine</country><wicri:regionArea>Programa de Investigación y Desarrollo de Fuentes Alternativas de Materias Primas y Energía (PINMATE), Departamento de Industrias, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Intendente Güiraldes 2620, Ciudad Universitaria, C1428BGA Buenos Aires, Argentina; Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Av. Rivadavia 1917, C1033AAJ Buenos Aires</wicri:regionArea><wicri:noRegion>C1033AAJ Buenos Aires</wicri:noRegion></affiliation></author><author><name sortKey="Ledesma, B" sort="Ledesma, B" uniqKey="Ledesma B" first="B" last="Ledesma">B. Ledesma</name><affiliation wicri:level="4"><nlm:affiliation>Departamento de Física Aplicada, Universidad de Extremadura, Avda. 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Elvas s/n, 06006 Badajoz</wicri:regionArea><placeName><region nuts="2" type="communauté">Estrémadure</region><settlement type="city">Mérida (Espagne)</settlement></placeName><orgName type="university">Université d'Estrémadure</orgName></affiliation></author><author><name sortKey="Bonelli, P R" sort="Bonelli, P R" uniqKey="Bonelli P" first="P R" last="Bonelli">P R Bonelli</name><affiliation wicri:level="1"><nlm:affiliation>Programa de Investigación y Desarrollo de Fuentes Alternativas de Materias Primas y Energía (PINMATE), Departamento de Industrias, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Intendente Güiraldes 2620, Ciudad Universitaria, C1428BGA Buenos Aires, Argentina; Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Av. Rivadavia 1917, C1033AAJ Buenos Aires, Argentina.</nlm:affiliation><country xml:lang="fr">Argentine</country><wicri:regionArea>Programa de Investigación y Desarrollo de Fuentes Alternativas de Materias Primas y Energía (PINMATE), Departamento de Industrias, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Intendente Güiraldes 2620, Ciudad Universitaria, C1428BGA Buenos Aires, Argentina; Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Av. Rivadavia 1917, C1033AAJ Buenos Aires</wicri:regionArea><wicri:noRegion>C1033AAJ Buenos Aires</wicri:noRegion></affiliation></author><author><name sortKey="Cukierman, A L" sort="Cukierman, A L" uniqKey="Cukierman A" first="A L" last="Cukierman">A L Cukierman</name><affiliation wicri:level="1"><nlm:affiliation>Programa de Investigación y Desarrollo de Fuentes Alternativas de Materias Primas y Energía (PINMATE), Departamento de Industrias, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Intendente Güiraldes 2620, Ciudad Universitaria, C1428BGA Buenos Aires, Argentina; Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Av. Rivadavia 1917, C1033AAJ Buenos Aires, Argentina; Cátedra de Farmacotecnia II, Departamento de Tecnología Farmacéutica, Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Junín 956, C1113AAD Buenos Aires, Argentina.</nlm:affiliation><country xml:lang="fr">Argentine</country><wicri:regionArea>Programa de Investigación y Desarrollo de Fuentes Alternativas de Materias Primas y Energía (PINMATE), Departamento de Industrias, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Intendente Güiraldes 2620, Ciudad Universitaria, C1428BGA Buenos Aires, Argentina; Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Av. Rivadavia 1917, C1033AAJ Buenos Aires, Argentina; Cátedra de Farmacotecnia II, Departamento de Tecnología Farmacéutica, Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Junín 956, C1113AAD Buenos Aires</wicri:regionArea><wicri:noRegion>C1113AAD Buenos Aires</wicri:noRegion></affiliation></author></analytic><series><title level="j">Bioresource technology</title><idno type="eISSN">1873-2976</idno><imprint><date when="2015" type="published">2015</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Adsorption</term><term>Charcoal (chemistry)</term><term>Citrus (chemistry)</term><term>Diclofenac (isolation & purification)</term><term>Kinetics</term><term>Models, Theoretical</term><term>Nitrogen (chemistry)</term><term>Organic Chemicals</term><term>Salicylic Acid (chemistry)</term><term>Temperature</term><term>Waste Products</term><term>Water (chemistry)</term><term>Water Pollutants, Chemical (isolation & purification)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="chemistry" xml:lang="en"><term>Charcoal</term><term>Nitrogen</term><term>Salicylic Acid</term><term>Water</term></keywords><keywords scheme="MESH" qualifier="chemistry" xml:lang="en"><term>Citrus</term></keywords><keywords scheme="MESH" type="chemical" qualifier="isolation & purification" xml:lang="en"><term>Diclofenac</term><term>Water Pollutants, Chemical</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Adsorption</term><term>Kinetics</term><term>Models, Theoretical</term><term>Organic Chemicals</term><term>Temperature</term><term>Waste Products</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Activated hydrochars obtained from the hydrothermal carbonization of orange peels (Citrus sinensis) followed by various thermochemical processing were assessed as adsorbents for emerging contaminants in water. Thermal activation under flows of CO2 or air as well as chemical activation with phosphoric acid were applied to the hydrochars. Their characteristics were analyzed and related to their ability to uptake three pharmaceuticals (diclofenac sodium, salicylic acid and flurbiprofen) considered as emerging contaminants. The hydrothermal carbonization and subsequent activations promoted substantial chemical transformations which affected the surface properties of the activated hydrochars; they exhibited specific surface areas ranging from 300 to ∼620 m(2)/g. Morphological characterization showed the development of coral-like microspheres dominating the surface of most hydrochars. Their ability to adsorb the three pharmaceuticals selected was found largely dependent on whether the molecules were ionized or in their neutral form and on the porosity developed by the new adsorbents.</div></front></TEI><affiliations><list><country><li>Argentine</li><li>Espagne</li></country><region><li>Estrémadure</li></region><settlement><li>Mérida (Espagne)</li></settlement><orgName><li>Université d'Estrémadure</li></orgName></list><tree><country name="Argentine"><noRegion><name sortKey="Fernandez, M E" sort="Fernandez, M E" uniqKey="Fernandez M" first="M E" last="Fernandez">M E Fernandez</name></noRegion><name sortKey="Bonelli, P R" sort="Bonelli, P R" uniqKey="Bonelli P" first="P R" last="Bonelli">P R Bonelli</name><name sortKey="Cukierman, A L" sort="Cukierman, A L" uniqKey="Cukierman A" first="A L" last="Cukierman">A L Cukierman</name></country><country name="Espagne"><region name="Estrémadure"><name sortKey="Ledesma, B" sort="Ledesma, B" uniqKey="Ledesma B" first="B" last="Ledesma">B. Ledesma</name></region><name sortKey="Roman, S" sort="Roman, S" uniqKey="Roman S" first="S" last="Román">S. Román</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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