Assessing South American Guadua chacoensis bamboo biochar and Fe3O4 nanoparticle dispersed analogues for aqueous arsenic(V) remediation

Alchouron, Jacinta; Navarathna, Chanaka; Chludil, Hugo D.; Dewage, Narada Bombuwala; Pérez, Felio; Hassan, El Barbary; Pittman, Charles U.; Vega, Andrea S.; Mlsna, Todd

doi:10.1016/j.scitotenv.2019.135943

Cited by 113 publications

(35 citation statements)

References 69 publications

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“…Kinetic analysis of the adsorption of As on Fe-BC-500 revealed that the process follows the pseudo-2nd order model (K2 = 0.8•10 −5 , qe(mg/g) = 4.3, R 2 = 0.96), rather than the pseudo-1st order model (K1 = 0.0107, qe(mg/g) = 4.02, R 2 = 0.80). This observation agrees well with earlier studies of As adsorption on various carbonaceous adsorbents [27,76]. Adsorption isotherms describe the equilibrium performance of adsorbents and are usually used for characterization of the porous solids as well as designing the adsorption process at a larger scale.…”

Section: Adsorption Studysupporting

confidence: 91%

Adsorption of Arsenic on Fe-Modified Biochar and Monitoring Using Spectral Induced Polarization

Kirmizakis

Tawabini

Siddiq

et al. 2022

Water

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This work demonstrates the potential of Fe-modified biochar for the treatment of arsenic (As) simulated wastewater and the monitoring of adsorption in real-time. Specifically, we propose the utilization of date-palm leaves for the production of biochar, further modified with Fe in order to improve its adsorption function against inorganic pollutants, such as As. Both the original biochar and the Fe-modified biochar were used for adsorption of As in laboratory batch and column experiments. The monitoring of the biochar(s) performance and As treatment was also enhanced by using the spectral induced polarization (SIP) method, offering real-time monitoring, in addition to standard chemical monitoring. Both the original and the Fe-modified biochar achieved high removal rates with Fe-modified biochar achieving up to 98% removal of As compared to the 17% by sand only (control). In addition, a correlation was found between post-adsorption measurements and SIP measurements.

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Section: Adsorption Studysupporting

confidence: 91%

Adsorption of Arsenic on Fe-Modified Biochar and Monitoring Using Spectral Induced Polarization

Kirmizakis

Tawabini

Siddiq

et al. 2022

Water

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“…Indeed, many magnetic Fe-oxide NP composites have been tested as As adsorbents in recent years [ 58 , 59 , 60 , 61 , 62 , 63 , 64 , 65 , 66 , 67 , 68 , 69 , 70 , 71 , 72 , 73 , 74 , 75 , 76 , 77 , 78 , 79 , 80 , 81 , 82 , 83 , 84 , 85 , 86 , 87 , 88 ]. Their adsorbent properties and experimental conditions are exposed and a comparison of their removal efficiency and an analysis of the experimental condition effects (pH, temperature, adsorbent dose, initial concentration, particle size and shape, surface area, and saturation magnetization, equilibrium time, kinetic and isothermal adsorption parameters) [ 58 , 59 , 60 , 61 , 62 , 63 , 64 , 65 , 66 , 67 , 68 , 69 , 70 , 71 ,…”

Section: In-detail Discussion Of the Adsorbent Propertiesmentioning

confidence: 99%

“…Their adsorbent properties and experimental conditions are exposed and a comparison of their removal efficiency and an analysis of the experimental condition effects (pH, temperature, adsorbent dose, initial concentration, particle size and shape, surface area, and saturation magnetization, equilibrium time, kinetic and isothermal adsorption parameters) [ 58 , 59 , 60 , 61 , 62 , 63 , 64 , 65 , 66 , 67 , 68 , 69 , 70 , 71 , 72 , 73 , 74 , 75 , 76 , 77 , 78 , 79 , 80 , 81 , 82 , 83 , 84 , 85 , 86 , 87 , 88 ] on the As removal are of great importance and are summarized in detail in Table S1 . The main results suggest that the temperature has been a decisive factor in the adsorption removal efficiency and more specifically, the adsorption capacity rose with the temperature in several cases [ 69 , 72 ]. However, there also are special cases where the adsorption capacity first increases with the temperature, but it decreases, subsequently [ 58 ], indicating that the effect of temperature influences on As removal for all adsorbents (shown in Table S1 ) has still not been solved.…”

Section: In-detail Discussion Of the Adsorbent Propertiesmentioning

confidence: 99%

“…Moreover, they also observed that the adsorption capacity increased due to the high driving force to transfer the mass of elevated concentrations of As(V) in the solution, as observed in the adsorption isotherms. Briefly, considering the As adsorption process, the adsorbents that exhibited the best performances and their maximum adsorption capacities in mg g −1 according to the Langmuir adsorption model, presented for both As species, and compared to other systems [ 58 , 59 , 60 , 61 , 62 , 63 , 65 , 66 , 68 , 69 , 70 , 71 , 72 , 73 , 74 , 75 , 76 , 77 , 78 , 79 , 80 , 81 , 82 , 83 , 84 , 85 , 86 , 87 , 88 , 89 , 90 , 91 , 92 , 93 , 94 , 95 , 96 , 97 , 98 , 99 ], were FeO X -GO-80 with 147 mg g −1 (arsenite) and 113 mg g −1 (arsenate) [ 64 ], γ-Fe 2 O 3 @CTF-1 with 198 mg g −1 (arsenite) and 102.3 mg g −1 (arsenate) [ …”

Section: In-detail Discussion Of the Adsorbent Propertiesmentioning

confidence: 99%

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Differentiating Nanomaghemite and Nanomagnetite and Discussing Their Importance in Arsenic and Lead Removal from Contaminated Effluents: A Critical Review

2021

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Arsenic and lead heavy metals are polluting agents still present in water bodies, including surface (lake, river) and underground waters; consequently, the development of new adsorbents is necessary to uptake these metals with high efficiency, quick and clean removal procedures. Magnetic nanoparticles, prepared with iron-oxides, are excellent candidates to achieve this goal due to their ecofriendly features, high catalytic response, specific surface area, and pulling magnetic response that favors an easy removal. In particular, nanomagnetite and maghemite are often found as the core and primary materials regarding magnetic nanoadsorbents. However, these phases show interesting distinct physical properties (especially in their surface magnetic properties) but are not often studied regarding correlations between the surface properties and adsorption applications, for instance. Thus, in this review, we summarize the main characteristics of the co-precipitation and thermal decomposition methods used to prepare the nano-iron-oxides, being the co-precipitation method most promising for scaling up processes. We specifically highlight the main differences between both nano-oxide species based on conventional techniques, such as X-ray diffraction, zero and in-field Mössbauer spectroscopy, X-ray photoelectron spectroscopy, X-ray absorption spectroscopy, and X-ray magnetic circular dichroism, the latter two techniques performed with synchrotron light. Therefore, we classify the most recent magnetic nanoadsorbents found in the literature for arsenic and lead removal, discussing in detail their advantages and limitations based on various physicochemical parameters, such as temperature, competitive and coexisting ion effects, i.e., considering the simultaneous adsorption removal (heavy metal–heavy metal competition and heavy metal–organic removal), initial concentration, magnetic adsorbent dose, adsorption mechanism based on pH and zeta potential, and real water adsorption experiments. We also discuss the regeneration/recycling properties, after-adsorption physicochemical properties, and the cost evaluation of these magnetic nanoadsorbents, which are important issues, but less discussed in the literature.

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“…The deconvolution of O1s is shown in Figure 4b), where a peak is observed at 530 eV which corresponds to metallic oxides, such as O-Fe and O-Ce present in the material [44,45], which are common in some carbon-metal composites [46]. Likewise, there is the participation of O¼C, O-C and O-C¼O in the peaks 531.2, 532 and 533.2 eV respectively, which represent oxygen atoms in esters and hydroxyl present in the material [47,48,49], in 534.7 eV presents itself O-C-corresponds to the carbonate group [50].…”

Section: Characterizationmentioning

confidence: 95%

Obtention of biochar-Fe/Ce using Punica granatum with high adsorption of ampicillin capacity

Gómez-Vilchis

García-Rosales

Longoria-Gándara

et al. 2022

Heliyon

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This research presents the obtaining of a biochar (CB) from the use of pomegranate peel (Punica granatum) conditioned with iron and cerium nanoparticles (C-Fe/Ce), as well as its characterization by SEM (Scanning Electronic Microscopy), FTIR (Fourier Transform Infrared Spectrometry), TGA (Thermogravimetric analysis), EDS (Energy Dispersive Spectroscopy), XPS (X-Ray Photoelectron Spectroscopy) and evaluation of the adsorption capacity of ampicillin (AMP) in aqueous phase at 20, 30 and 40 C. The maximum adsorption capacity for CB was 18.97 mg g À1 and for C-Fe/Ce, 27.61 mg g À1 at pH of 7, observing that with increasing temperature, the sorption capacity decreases in both materials, the experimental data was fitted to various mathematical models and the best fit was the pseudo-second order model for the kinetics, whilst for the adsorption isotherms the best fit was with the Langmuir model, indicating that the adsorption process is carried out in a monolayer on a homogeneous surface, through a chemisorption process. According to the thermodynamic parameters this process is carried out through an exothermic reaction. The results obtained indicate that both materials are suitable for the removal of AMP in the aqueous phase and that they can be reused up to 5 times.

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Assessing South American Guadua chacoensis bamboo biochar and Fe3O4 nanoparticle dispersed analogues for aqueous arsenic(V) remediation

Cited by 113 publications

References 69 publications

Adsorption of Arsenic on Fe-Modified Biochar and Monitoring Using Spectral Induced Polarization

Adsorption of Arsenic on Fe-Modified Biochar and Monitoring Using Spectral Induced Polarization

Differentiating Nanomaghemite and Nanomagnetite and Discussing Their Importance in Arsenic and Lead Removal from Contaminated Effluents: A Critical Review

Obtention of biochar-Fe/Ce using Punica granatum with high adsorption of ampicillin capacity

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