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Development and characterization of activated hydrochars from orange peels as potential adsorbents for emerging organic contaminants

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Fernandez, M.E., Ledesma, B., Román, S., Bonelli, P.R., Cukierman, A.L.·2015·Bioresource Technology

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.

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Metadata

Authors
Fernandez, M. E., Ledesma, B., Román, S., Bonelli, P. R., & Cukierman, A. L.
Venue
Bioresource Technology
Publisher
Elsevier BV
Published
2015-05
Volume
183
Pages
221-228
ISSN
0960-8524 (ISSN-L)
OpenAlex
W2086349217
Cited by
302
References
4
FWCI
14.43
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: Development and characterization of activated hydrochars from orange peels as potential adsorbents for emerging organic contaminants. https://app.cochat.ai/papers/10.1016/j.biortech.2015.02.035
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Fernandez, M. E., Ledesma, B., Román, S., Bonelli, P. R., & Cukierman, A. L. (2015). Development and characterization of activated hydrochars from orange peels as potential adsorbents for emerging organic contaminants. Bioresource Technology. https://doi.org/10.1016/j.biortech.2015.02.035

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.