Simulation of water purification using magnetically ultra-responsive micro- and nanoscavengers

Asghari, Elmira; Moosavi, Ali; Hannani, Siamak Kazemzadeh

doi:10.1016/j.jwpe.2018.05.002

Cited by 5 publications

(1 citation statement)

References 30 publications

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“…Unfortunately, this issue cannot be solved by traditional treatments due to the extremely high complexity of the types of pollutants present in water environments [64][65][66]. In this context, several studies were reported in the literature for the abatements/sequestration/separation of (in)organic pollutants from contaminated waters by means of several non-conventional (but promising) methods, such as the exploitation functional coatings in membrane technology [67][68][69][70][71][72], magnet-responsive (nano)materials [60,[73][74][75][76][77][78][79], specific (ad)sorbing (nanostructured) materials [80][81][82][83][84][85][86], photocatalysis and other (light-driven) advanced oxidation processes (AOPs) [87][88][89][90][91][92][93][94][95][96], or a combination of them [97][98][99]. Particularly interesting is the 'waste for cleaning waste' approach, which consists in exploiting (bio)waste substrates for cleaning contaminated wastewater [100][101][102].…”

Section: Clays For Water Purification Processesmentioning

confidence: 99%

The importance of surfaces and interfaces in clays for water remediation processes

Nisticò

2018

Surf. Topogr.: Metrol. Prop.

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The continuous research around 2D layered materials allows to a significant raise up of our next future technological development in several engineering fields of emerging interest. Among the different classes of 2D layered materials, clays are naturally-occurring inorganic materials forming our planet soil, thus making them as one of the most promising sustainable solution as biocompatible and easily-accessible (almost ubiquitous). Hence, in order to valorize this class of layered materials even for advanced applications, their surface and interfaces properties are critically discussed, providing a detailed classification and focusing on their structure-property relationship. Lastly, the scientific literature discussing the application of clays in water remediation processes is here treated. Evidences of the direct use of clays as sorbing agents (with a particular emphasis on their interlayers properties) as well as their exploitation as raw materials for the production of 'traditional ceramic'-based membranes (exploitable is separation science as filtering systems) are critically discussed, and performances compared.

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Section: Clays For Water Purification Processesmentioning

confidence: 99%

The importance of surfaces and interfaces in clays for water remediation processes

Nisticò

2018

Surf. Topogr.: Metrol. Prop.

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BiVO4/WO3 nano-composite: characterization and designing the experiments in photodegradation of sulfasalazine

Omrani

Nezamzadeh‐Ejhieh

2020

Environ Sci Pollut Res

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Mixing of Fe3O4 nanoparticles under electromagnetic and shear conditions for wastewater treatment applications

Liosis

Karvelas

Karakasidis

et al. 2022

Journal of Water Supply: Research and Technology-Aqua

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The ability of heavy metals to accumulate in living organisms, combined with the fact that they are not biodegradable, necessitates an expansion and improvement of the existing water purification methods. An effective mixing of contaminated water with heavy metals and magnetic nanoparticles is crucial for water treatment applications. In the present work, electromagnetic and shear mixing are combined to explore optimization mixing strategies. Mixing is studied through simulations under various initial conditions for two streams that are loaded with nanoparticles and one contaminated water stream that lies between the nanoparticle streams. In the present work, magnetic mixing is superimposed with a time-modulated gradient external magnetic field. The results show that as the radius ratio between the nanoparticles and the heavy metals increases, the external magnetic field is more effective insofar as the mixing of the nanoparticles is concerned. Moreover, for simulations where the radius ratio is higher or equal to 10, an effective mixing is achieved. By comparing the velocity ratios, a better mixing is achieved in the case of higher velocity ratios. Also, minor effects on mixing are observed by comparing the ratios Vp/Vc = 10 and Vp/Vc = 20.

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Simulation of water purification using magnetically ultra-responsive micro- and nanoscavengers

Cited by 5 publications

References 30 publications

The importance of surfaces and interfaces in clays for water remediation processes

The importance of surfaces and interfaces in clays for water remediation processes

BiVO4/WO3 nano-composite: characterization and designing the experiments in photodegradation of sulfasalazine

Mixing of Fe3O4 nanoparticles under electromagnetic and shear conditions for wastewater treatment applications

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