Development and characterization of activated hydrochars from orange peels as potential adsorbents for emerging organic contaminants
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 phosphori...
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2015
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| Acceso en línea: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_09608524_v183_n_p221_Fernandez http://hdl.handle.net/20.500.12110/paper_09608524_v183_n_p221_Fernandez |
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paper:paper_09608524_v183_n_p221_Fernandez2023-06-08T15:57:46Z Development and characterization of activated hydrochars from orange peels as potential adsorbents for emerging organic contaminants Fernández, María Emilia Bonelli, Pablo R. Cukierman, Ana Lea Activated hydrochars Emerging contaminants Hydrothermal carbonization Orange peels Carbon dioxide Carbonization Citrus fruits Contamination Salicylic acid Thermochemistry Activated hydrochars Chemical transformations Emerging contaminant Emerging organic contaminants Hydrothermal carbonization Morphological characterization Orange peels Thermochemical processing Chemical activation adsorbent carbon dioxide cellulose diclofenac flurbiprofen hemicellulose microsphere organic compound pectin phosphoric acid salicylic acid volatile agent biochar charcoal nitrogen organic compound waste water water pollutant adsorption charcoal drug fruit ionization molecular analysis morphology organic pollutant pollution control porosity surface area water pollution adsorption Article biomass chemical modification cross linking decarboxylation decomposition depolymerization hydrophobicity isotherm metabolite molecular weight plant peel plant structures polymerization porosity priority journal surface property sweet orange waste water management water pollutant chemistry Citrus isolation and purification kinetics temperature theoretical model waste water pollutant Anthozoa Citrus sinensis Adsorption Charcoal Citrus Diclofenac Kinetics Models, Theoretical Nitrogen Organic Chemicals Salicylic Acid Temperature Waste Products Water Water Pollutants, Chemical 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 ~620m2/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. © 2015 Elsevier Ltd. Fil:Fernandez, M.E. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Bonelli, P.R. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Cukierman, A.L. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. 2015 https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_09608524_v183_n_p221_Fernandez http://hdl.handle.net/20.500.12110/paper_09608524_v183_n_p221_Fernandez |
| institution |
Universidad de Buenos Aires |
| institution_str |
I-28 |
| repository_str |
R-134 |
| collection |
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) |
| topic |
Activated hydrochars Emerging contaminants Hydrothermal carbonization Orange peels Carbon dioxide Carbonization Citrus fruits Contamination Salicylic acid Thermochemistry Activated hydrochars Chemical transformations Emerging contaminant Emerging organic contaminants Hydrothermal carbonization Morphological characterization Orange peels Thermochemical processing Chemical activation adsorbent carbon dioxide cellulose diclofenac flurbiprofen hemicellulose microsphere organic compound pectin phosphoric acid salicylic acid volatile agent biochar charcoal nitrogen organic compound waste water water pollutant adsorption charcoal drug fruit ionization molecular analysis morphology organic pollutant pollution control porosity surface area water pollution adsorption Article biomass chemical modification cross linking decarboxylation decomposition depolymerization hydrophobicity isotherm metabolite molecular weight plant peel plant structures polymerization porosity priority journal surface property sweet orange waste water management water pollutant chemistry Citrus isolation and purification kinetics temperature theoretical model waste water pollutant Anthozoa Citrus sinensis Adsorption Charcoal Citrus Diclofenac Kinetics Models, Theoretical Nitrogen Organic Chemicals Salicylic Acid Temperature Waste Products Water Water Pollutants, Chemical |
| spellingShingle |
Activated hydrochars Emerging contaminants Hydrothermal carbonization Orange peels Carbon dioxide Carbonization Citrus fruits Contamination Salicylic acid Thermochemistry Activated hydrochars Chemical transformations Emerging contaminant Emerging organic contaminants Hydrothermal carbonization Morphological characterization Orange peels Thermochemical processing Chemical activation adsorbent carbon dioxide cellulose diclofenac flurbiprofen hemicellulose microsphere organic compound pectin phosphoric acid salicylic acid volatile agent biochar charcoal nitrogen organic compound waste water water pollutant adsorption charcoal drug fruit ionization molecular analysis morphology organic pollutant pollution control porosity surface area water pollution adsorption Article biomass chemical modification cross linking decarboxylation decomposition depolymerization hydrophobicity isotherm metabolite molecular weight plant peel plant structures polymerization porosity priority journal surface property sweet orange waste water management water pollutant chemistry Citrus isolation and purification kinetics temperature theoretical model waste water pollutant Anthozoa Citrus sinensis Adsorption Charcoal Citrus Diclofenac Kinetics Models, Theoretical Nitrogen Organic Chemicals Salicylic Acid Temperature Waste Products Water Water Pollutants, Chemical Fernández, María Emilia Bonelli, Pablo R. Cukierman, Ana Lea Development and characterization of activated hydrochars from orange peels as potential adsorbents for emerging organic contaminants |
| topic_facet |
Activated hydrochars Emerging contaminants Hydrothermal carbonization Orange peels Carbon dioxide Carbonization Citrus fruits Contamination Salicylic acid Thermochemistry Activated hydrochars Chemical transformations Emerging contaminant Emerging organic contaminants Hydrothermal carbonization Morphological characterization Orange peels Thermochemical processing Chemical activation adsorbent carbon dioxide cellulose diclofenac flurbiprofen hemicellulose microsphere organic compound pectin phosphoric acid salicylic acid volatile agent biochar charcoal nitrogen organic compound waste water water pollutant adsorption charcoal drug fruit ionization molecular analysis morphology organic pollutant pollution control porosity surface area water pollution adsorption Article biomass chemical modification cross linking decarboxylation decomposition depolymerization hydrophobicity isotherm metabolite molecular weight plant peel plant structures polymerization porosity priority journal surface property sweet orange waste water management water pollutant chemistry Citrus isolation and purification kinetics temperature theoretical model waste water pollutant Anthozoa Citrus sinensis Adsorption Charcoal Citrus Diclofenac Kinetics Models, Theoretical Nitrogen Organic Chemicals Salicylic Acid Temperature Waste Products Water Water Pollutants, Chemical |
| description |
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 ~620m2/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. © 2015 Elsevier Ltd. |
| author |
Fernández, María Emilia Bonelli, Pablo R. Cukierman, Ana Lea |
| author_facet |
Fernández, María Emilia Bonelli, Pablo R. Cukierman, Ana Lea |
| author_sort |
Fernández, María Emilia |
| title |
Development and characterization of activated hydrochars from orange peels as potential adsorbents for emerging organic contaminants |
| title_short |
Development and characterization of activated hydrochars from orange peels as potential adsorbents for emerging organic contaminants |
| title_full |
Development and characterization of activated hydrochars from orange peels as potential adsorbents for emerging organic contaminants |
| title_fullStr |
Development and characterization of activated hydrochars from orange peels as potential adsorbents for emerging organic contaminants |
| title_full_unstemmed |
Development and characterization of activated hydrochars from orange peels as potential adsorbents for emerging organic contaminants |
| title_sort |
development and characterization of activated hydrochars from orange peels as potential adsorbents for emerging organic contaminants |
| publishDate |
2015 |
| url |
https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_09608524_v183_n_p221_Fernandez http://hdl.handle.net/20.500.12110/paper_09608524_v183_n_p221_Fernandez |
| work_keys_str_mv |
AT fernandezmariaemilia developmentandcharacterizationofactivatedhydrocharsfromorangepeelsaspotentialadsorbentsforemergingorganiccontaminants AT bonellipablor developmentandcharacterizationofactivatedhydrocharsfromorangepeelsaspotentialadsorbentsforemergingorganiccontaminants AT cukiermananalea developmentandcharacterizationofactivatedhydrocharsfromorangepeelsaspotentialadsorbentsforemergingorganiccontaminants |
| _version_ |
1768544049011097600 |