Ibuprofen Adsorption onto Olive Pomace Activated Carbon

Raupp, Íris Nunes; Filho, Alaor Valério; Arim, Aline Lemos; Muniz, Ana Rosa Costa; Rosa, Gabriela Silveira da

doi:10.1002/ceat.202200394

Chem Eng & Technol

2023

DOI: 10.1002/ceat.202200394

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Ibuprofen Adsorption onto Olive Pomace Activated Carbon

Íris Nunes Raupp

Alaor Valério Filho

Aline Lemos Arim

et al.

Abstract: Pharmaceutical compounds present in liquid effluents have great environmental impact. Thus, the development of alternative adsorbent materials from agro‐industrial activities has received attention. This work aimed to adsorb ibuprofen onto activated carbon from olive pomace and evaluate the parameters of the adsorption system. The experiments were performed in batch and continuous flow. The mathematical models that best described the experimental data were the pseudo‐second‐order and Langmuir models for kineti… Show more

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Cited by 3 publications

References 58 publications

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Obtaining of a rich-cellulose material from black wattle (Acacia mearnsii De Wild.) bark residues

Rodrigues,

Pedroso,

de Freitas

et al. 2023

Environ Sci Pollut Res

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Obtaining of a rich-cellulose material from black wattle (Acacia mearnsii De Wild.) bark residues

Rodrigues,

Pedroso,

de Freitas

et al. 2023

Environ Sci Pollut Res

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Synthesis of a Multi-Template Molecular Imprinted Bulk Polymer for the Adsorption of Non-Steroidal Inflammatory and Antiretroviral Drugs

Sigonya,

Mokhena,

Mayer

et al. 2024

Applied Sciences

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In this paper, we report the synthesis of a multi-template molecularly imprinted polymer (MIP) to target and extract naproxen, ibuprofen, diclofenac, emtricitabine, tenofovir disoproxil, and efavirenz from wastewater bodies. A bulk polymerization procedure was used to synthesize the MIP and non-imprinted polymer (NIP). The specific recognition sites for each target were obtained through the removal of the imprinted targeted compounds. The interaction of antiretroviral drugs (ARVs) and non-steroidal anti-inflammatory drugs (NSAIDs) compounds with the MIP was studied under various conditions such as pH, mass, concentration, and time factors. The results demonstrated the optimum conditions were 55 mg of MIP, pH 7.0, a concentration of 5 mg L−1, and a contact time of 10 min. For every compound studied, the extraction efficiencies for ARVs and NSAIDs in aqueous solutions was >96%. The adsorption capacity for the MIP was >0.91 mg·g−1. Adsorption obeys a second-order rate, and the Freundlich model explains the adsorption isotherm data. This study demonstrated that the synthesized multi-template MIP has huge potential to be employed for the removal of ARVs and NSAIDs from the environment as well as in drug purification or recovery processes.

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Bentonite Modified with Surfactants—Efficient Adsorbents for the Removal of Non-Steroidal Anti-Inflammatory Drugs

Obradović,

Daković,

Smiljanić

et al. 2023

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Organobentonites have been applied for the removal of two common non-steroidal anti-inflammatory drugs, ibuprofen (IBU) and diclofenac sodium (DS), from aqueous solutions. Two surfactants, one with and the other without benzyl group (octadecyldimethylbenzylammonium chloride, ODMBA, and hexadecyltrimethylammonium bromide, HDTMA), in amounts equivalent to 50, 75, and 100% of the cation exchange capacity of bentonite were used for the preparation of organobentonites. Successful modification of bentonite was confirmed by several methods: X-ray powder diffraction (XRPD), point of the zero charge (pHPZC), determination of exchanged inorganic cations in bentonite, determination of textural properties, and scanning electron microscopy (SEM). Kinetic and thermodynamic data on the adsorption of IBU and DS showed that drug adsorption was controlled by the type and the amount of surfactant incorporated into the bentonite and by their arrangement in the interlayer space and at the surface of organobentonites. The adsorption of both drugs increased with an increase in the amount of both surfactants in organobentonites. The presence of the benzyl group in organobentonites enhanced the adsorption of IBU and DS and was more pronounced for IBU. Drug adsorption fits the pseudo-second-order kinetic model the best. The thermodynamic data revealed that the adsorption process was endothermic in nature and with increase of the amount of both surfactants drug adsorption processes were more spontaneous. The results obtained from this study revealed that adsorbents based on surfactants modified bentonite are promising candidates for IBU and DS removal from contaminated water.

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Ibuprofen Adsorption onto Olive Pomace Activated Carbon

Cited by 3 publications

References 58 publications

Obtaining of a rich-cellulose material from black wattle (Acacia mearnsii De Wild.) bark residues

Obtaining of a rich-cellulose material from black wattle (Acacia mearnsii De Wild.) bark residues

Synthesis of a Multi-Template Molecular Imprinted Bulk Polymer for the Adsorption of Non-Steroidal Inflammatory and Antiretroviral Drugs

Bentonite Modified with Surfactants—Efficient Adsorbents for the Removal of Non-Steroidal Anti-Inflammatory Drugs

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