Insights into kinetics, isotherms and thermodynamics of phosphorus sorption onto nanoscale zero-valent iron

Maamoun, Ibrahim; Eljamal, Ramadan; Falyouna, Omar; Bensaida, Khaoula; Sugihara, Yuji; Eljamal, Osama

doi:10.1016/j.molliq.2021.115402

Cited by 87 publications

(47 citation statements)

References 72 publications

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“…[28,29]. However, similar to nitrate, excessive concentrations of phosphorus in water will escalate the phenomena of eutrophication and will negatively affect the quality of water and stress the aquatic life [30,31]. Effluents of wastewater treatment plants, landfill leachate, fertilizers, and industrial activities are some of the sources for phosphorus contamination [32,33].…”

Section: Phosphorus Removalmentioning

confidence: 99%

Mini Review on Recent Applications of Nanotechnology in Nutrient and Heavy Metals Removal from Contaminated Water

Falyouna¹,

Maamoun²,

Bensaida³

et al. 2021

Proceedings of International Exchange and Innovation Conference on Engineering &Amp; Sciences (IEICES)

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Several toxic substances, such as nutrients, heavy metals, radionuclides, and pharmaceuticals, are continuously discharging to the environment, as a result of unaccountable industrial and agricultural activities, and contaminating huge quantities of soil and water. Nanotechnology was employed over the past years to remediate the contaminated waters and clean the environment from these pollutants to protect the life on the planet. Nanoscale zerovalent iron (nZVI) is one of the most applied nanomaterials in the field of water and wastewater treatment and it is extensively utilized to remove a wide range of contaminants from water. Thus, this mini review intends to summarize the latest applications of nZVI and its composites in eliminating several nutrients and heavy metals, namely nitrate (NO3 -), phosphorous (P), chromium (Cr) and arsenic (As).

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Section: Phosphorus Removalmentioning

confidence: 99%

Mini Review on Recent Applications of Nanotechnology in Nutrient and Heavy Metals Removal from Contaminated Water

Falyouna¹,

Maamoun²,

Bensaida³

et al. 2021

Proceedings of International Exchange and Innovation Conference on Engineering &Amp; Sciences (IEICES)

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“…The main two aqueous forms of iron are the relatively water soluble Fe(II) and the highly water insoluble Fe(III) [32][33][34][35][36][37]. Zero valent iron (Fe 0 ) is one of the iron forms that can be found under specific environmental conditions [38][39][40][41]. Fe 0 is one of the most widely used reactive nanomaterials in water treatment applications within the last decade.…”

Section: Nanomaterials Sorbents 221 Iron-basedmentioning

confidence: 99%

Radionuclides Removal from Aqueous Solutions: A Mini Review on Using Different Sorbents

Maamoun¹,

Eljamal²,

Falyouna³

et al. 2021

Proceedings of International Exchange and Innovation Conference on Engineering &Amp; Sciences (IEICES)

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In this study, mini review is presented on the use of different sorbents for radionuclides removal of from water. Four sorbents categories were considered: carbon-based, nanomaterials, bio-sorbents, and miscellaneous sorbents. Carbon-based sorbents showed excellent removal performance towards radionuclides, owing to the high specific surface area and abundant oxygen-containing functional groups. While Fe 0 and Fe 0 -based composites was found to exhibit rapid sorption rate, high removal capacity, and strong redox performance for radionuclides, indicating that such nanomaterials can be very promising for in-situ removal of radionuclides, once their drawbacks (aggregation and poor mobility) are overcome. The use of bio-sorbents showed high potential of such materials to remediate radioactive contaminated water under specific environmental conditions. The critical review in this study shall represent a great contribution to the potential researchers and decision makers choosing the highly efficient, feasible, and environmentally friendly sorbents for the removal of radionuclides from aqueous solutions.

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“…Nanoscale zerovalent iron (Fe 0 ) is one of the most extensively applied nanomaterials to remediate different types of contaminated waters and to remove a broad spectrum of contaminants such as heavy metals, nutrients, radioactive elements, organic contaminants, etc (Takami et al 2019;Falyouna et al 2020a;Maamoun et al 2020a). Despite the superb characteristics of Fe 0 nanoparticles, for instant, high reactivity, high surface area, and multiple elimination mechanisms, they still have several drawbacks which restrict their ability to remediate antibiotics from water (Falyouna et al 2019;Maamoun et al 2021a). Fast surface oxidation, agglomeration and insignificant oxidation capacity are the main weaknesses of Fe 0 nanoparticles and various approaches were embraced to tackle these limitations (Mokete et al 2020;Maamoun et al 2021b).…”

Section: Introductionmentioning

confidence: 99%

Chemical deposition of iron nanoparticles (Fe0) on titanium nanowires for efficient adsorption of ciprofloxacin from water

Falyouna

Maamoun

Bensaida

et al. 2021

Water Practice and Technology

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The development of antimicrobial resistance genes (AMRs) in water was globally accelerated due to the occurrence of ciprofloxacin (CIP) in water. This study aims to precipitate iron nanoparticles (Fe0) on the surface of titanium nanowires (TNWs) through a chemical process to overcome the limitations of Fe0 and efficiently remove CIP from water. TEM and XRD results confirmed the successful synthesis of Fe0 and TNWs. They also proved the successful deposition and dispersion of Fe0 on TNWs. Several (Fe0/TNW) nanocomposites were synthesised with different percentages of TNWs (5, 10, 20, 30, and 50%) to define the best TNWs ratio that will decrease the aggregation of Fe0 nanoparticles and achieve an outstanding removal efficiency of CIP. (Fe0/TNW) nanocomposite with 20% of TNW was nominated as the best nanocomposite because it demonstrated a promising performance, compared with other nanocomposites, by removing more than 67% of CIP with insignificant desorption behaviour during the treatment period (120 min). Dosage of (20%-Fe0/TNW), initial pH of CIP solution and reaction temperature were optimized through a group of batch experiments to efficiently remove CIP from water. The optimum removal of CIP was obtained by 1 g L−1 of (20%-Fe0/TNW) nanocomposite at initial pH of 7 under 35 °C.

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Insights into kinetics, isotherms and thermodynamics of phosphorus sorption onto nanoscale zero-valent iron

Cited by 87 publications

References 72 publications

Mini Review on Recent Applications of Nanotechnology in Nutrient and Heavy Metals Removal from Contaminated Water

Mini Review on Recent Applications of Nanotechnology in Nutrient and Heavy Metals Removal from Contaminated Water

Radionuclides Removal from Aqueous Solutions: A Mini Review on Using Different Sorbents

Chemical deposition of iron nanoparticles (Fe0) on titanium nanowires for efficient adsorption of ciprofloxacin from water

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