Removal of Naproxen, Salicylic Acid, Clofibric Acid, and Carbamazepine by Water Phase Adsorption onto Inorganic–Organic-Intercalated Bentonites Modified with Transition Metal Cations

Rivera-Jiménez, Sindia M.; Lehner, Michael M.; Cabrera-Lafaurie, Wilman A.; Hernández‐Maldonado, Arturo J.

doi:10.1089/ees.2010.0213

Cited by 32 publications

(15 citation statements)

References 59 publications

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“…5 with the results published by Rivera-Jimenez et al for the adsorption of similar PPCPs onto metal modified IOCs [41], it can be seen that the IOCs reported here exhibited a 2-fold increase in adsorption capacity at similar conditions. This was due to proper pillarization, surfactant, and metal loading.…”

Section: Single-point Adsorption Of Ppcpssupporting

confidence: 91%

“…It should be mentioned that, overall, the largest single point adsorption capacities were observed for salicylic acid. This result could be attributed to steric effects; salicylic acid is the smallest adsorbate among all the PPCPs studied, and this characteristic should allow better access to available void space between the IOC intercalated species and ease of orientation to better interact with adsorption sites [41].…”

Section: Single-point Adsorption Of Ppcpsmentioning

confidence: 99%

“…Recent initiatives to address the removal of PPCPs with minimal energy input or unwanted side products include adsorption processes [36][37][38][39][40][41][42][43]. Until recently, much of the effort made to advance water treatment adsorption processes has been focused on the removal of metals and other contaminants from water [44,45].…”

Section: Introductionmentioning

confidence: 99%

“…Hernandez-Maldonado and co-workers have already reported on the positive effect that inclusion of transition metals onto the surface of non-pillared IOCs, and even onto mesoporous silicas, has on the adsorption of some PPCPs [37,41,63]. Transition metals are known to undergo complexation with compounds containing aromatic groups based on an electron donation and back donation process.…”

Section: Introductionmentioning

confidence: 99%

“…Since the processes are dominated by weak-chemical interactions, formation of such complexes onto the surface of an adsorbent could provide the basis for the removal of aromatic-like PPCPs while still permitting regeneration via accessible engineering means [67]. Although results obtained for the adsorption of some PPCPs onto non-pillared transition metal containing IOCs proved that it is possible to tailor the uptake amounts based on the nature of the transition metal [41], the adsorbents did not exhibit appropriate textural properties and adsorption capacities. Therefore, the aim of this paper is to present the synthesis and a comprehensive evaluation of pillared IOCs modified with transition metals for the adsorption of a particular set of PPCPs that showcases different physico-chemical properties and a high rate of occurrence in surface waters.…”

Section: Introductionmentioning

confidence: 99%

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Transition metal modified and partially calcined inorganic–organic pillared clays for the adsorption of salicylic acid, clofibric acid, carbamazepine, and caffeine from water

Cabrera-Lafaurie

Román

Hernández‐Maldonado

2012

Journal of Colloid and Interface Science

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Section: Single-point Adsorption Of Ppcpssupporting

confidence: 91%

Section: Single-point Adsorption Of Ppcpsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

Transition metal modified and partially calcined inorganic–organic pillared clays for the adsorption of salicylic acid, clofibric acid, carbamazepine, and caffeine from water

Cabrera-Lafaurie

Román

Hernández‐Maldonado

2012

Journal of Colloid and Interface Science

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Emerging contaminants uptake by an Ultisol and a Vertisol from Puerto Rico

Flores-Mangual

Hernández‐Maldonado

Ortiz-Martínez

et al. 2020

Agrosystems Geosci & Env

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Contaminants of emerging concern (CECs), including pharmaceutical compounds, have been found in irrigation waters and have found their way into crops through the uptake of contaminated water. Many farms in Puerto Rico are irrigated with water that might have considerable levels of CECs. The objective of this study was to determine the quantity of commonly detected CEC adsorbed onto soil particles of two contrasting tropical soils of Puerto Rico (Fraternidad, basic Vertisol [fine, smectitic, isohyperthermic Typic Haplusterts], and Mariana series, acid Ultisol [fine, mixed, active, isohyperthermic Typic Haplohumults]). A CECs single point and multicomponent adsorption experiments were carried out using the batch equilibrium technique. The CECs were naproxen (NPX), O‐desmethylnaproxen (O‐DesNPX), caffeine (CFN), paraxanthine (PX), carbamazepine (CBZ), carbamazepine‐10, 11‐epoxide (Ep‐CBZ), clofibric acid (ClofA), and salicylic acid (SA). The CEC concentrations in water before and after adsorption were determined using a triple quadrupole mass spectroscopy liquid chromatography. The results showed that SA was highly adsorbed by both soils, although in greater concentrations in Fraternidad than Mariana, probably because of greater cation‐bridging. Paraxanthine was adsorbed only in the multicomponent test, probably as a co‐adsorbate. Caffeine, CBZ, and their metabolites were adsorbed in both soils in lesser concentrations than SA and PX. However, NPX and ClofA were not adsorbed by either soil type. Thus, these CECs could potentially move more freely through the soil matrix and reach soil roots in greater quantities than other contaminants.

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Recent Advances on the Aqueous Phase Adsorption of Carbamazepine

et al. 2022

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Carbamazepine (CBZ) is a pharmaceutical compound used in medical practice. Due to the ecotoxicological risk of its presence in the aqueous environment, researchers have been investigating its removal by adsorption technique. The aim of this study is to review the works done on the removal of CBZ from water by adsorption. Carbon‐based materials were the best types of adsorbent for CBZ uptake (> 200 mg g−1). Molecularly imprinted polymer (MIP) and carbon nanotubes (CNTs) showed especially good adsorption capacities. The key mechanisms of CBZ adsorption were π‐π interaction, electrostatic interactions, hydrogen‐bonding and hydrophobic interactions. Classical equilibrium isotherm models like Langmuir and Freundlich were always best‐fits and kinetics modelling was best‐fit to the pseudo‐second order model. The thermodynamics modelling of CBZ adsorption showed it was spontaneous and endothermic for most adsorbents. Methanol and acetone were especially effective for the desorption of CBZ from adsorbents and can achieve > 90 % removal even after 4–5 cycles. CBZ competes favorably in adsorption systems with other pharmaceutical species due to the advantages of the hydrophobic effect and molecular size.

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Removal of Naproxen, Salicylic Acid, Clofibric Acid, and Carbamazepine by Water Phase Adsorption onto Inorganic–Organic-Intercalated Bentonites Modified with Transition Metal Cations

Cited by 32 publications

References 59 publications

Transition metal modified and partially calcined inorganic–organic pillared clays for the adsorption of salicylic acid, clofibric acid, carbamazepine, and caffeine from water

Transition metal modified and partially calcined inorganic–organic pillared clays for the adsorption of salicylic acid, clofibric acid, carbamazepine, and caffeine from water

Emerging contaminants uptake by an Ultisol and a Vertisol from Puerto Rico

Recent Advances on the Aqueous Phase Adsorption of Carbamazepine

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