Synthesis and characterization of a novel nanocollector for the removal of nickel ions from synthetic wastewater using ion flotation

Hoseinian, Fatemeh Sadat; Rezai, Bahram; Kowsari, Elaheh; Chinnappan, Amutha; Ramakrishna, Seeram

doi:10.1016/j.seppur.2020.116639

Cited by 44 publications

(14 citation statements)

References 39 publications

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“…Sodium dodecyl sulfate (SDS) and functionalized graphene oxide by 2,6-diaminopyridine (AFGO) were used as anionic collectors. AFGO was produced by the method presented in the previous study (Hoseinian et al, 2020). For removal of nickel ions with a positive charge in the solution, the negative charges onto the amino functionalized graphene oxide was created using 2,6-diaminopyridine to modify the properties of amino functionalized graphene oxide.…”

Section: Methodsmentioning

confidence: 99%

“…Thus, the range of pH of 3-9.7 was used to investigate nickel ion flotation using anionic collectors of AFGO and SDS with negative charges. The optimum conditions of removal of nickel ions using a common collector of SDS and a novel nano-collector of AFGO were completely evaluated in the previous studies (Hoseinian et al, 2018c;Hoseinian et al, 2020). The effects of pH and collector type on the nickel ion flotation and water recovery are shown in Figs.…”

Section: Effect Of Collector Type and Phmentioning

confidence: 99%

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The effect of water recovery on the ion flotation process efficiency

Hoseinian¹,

Rezai²,

Kowsari³

et al. 2020

Physicochem. Probl. Miner. Process.

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The present study deals with nickel ions removal from dilute aqueous solution by ion flotation with emphasizing the process efficiency. The effect of collector structure on ion flotation efficiency and water recovery was evaluated using anionic collectors of sodium dodecyl sulfate (SDS) and functionalized graphene oxide by 2,6-diaminopyridine (AFGO). The results showed that process efficiency enhanced with the increase in pH and reached to complete removal at pH of 9 and 9.7 for SDS and AFGO, respectively. The AFGO showed the multifunctional bindings for complex formations with nickel ions. A coordinate bond may be formed between nickel ions and AFGO at the pH of 9 which increased nickel ion removal. The water recovery as a critical parameter that contributes to removal efficiency was significantly affected by the collector structure. The AFGO doesn't have a frothing property and so decreases the water recovery during the process. The AFGO had significantly lower water recovery than SDS (almost threefold).

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Section: Methodsmentioning

confidence: 99%

Section: Effect Of Collector Type and Phmentioning

confidence: 99%

The effect of water recovery on the ion flotation process efficiency

Hoseinian¹,

Rezai²,

Kowsari³

et al. 2020

Physicochem. Probl. Miner. Process.

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“…Besides, this method can be used for removal from wastewaters of oil admixtures and petroleum contained in the system [23]. The removal ratio of ion flotation when removing metal cations from the solutions of lean technogenic raw materials processing reaches 100% [30][31][32][33].…”

Section: Ion Flotationmentioning

confidence: 99%

The Removal of Rare-Earth Metals from Water-Salt Systems – An Innovative Aspect of the Modern Industry

Lobacheva¹

2021

Preprint

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Considering the ever-increasing role of rare-earth elements (REE) in the modern hi-tech field, their effective use has a tremendous significance, although the production process is inevitably linked to the large volumes of industrial ammonia effluents and heavy metal wastes. In the process of metallurgical separation of metals, the emission of large volumes of noxious gases and radioactive substances is inevitable. Lean technogenic raw material processing is sensible under the condition of the development of non-waste technology. The lack of competent regulations governing the disposal of waste containing REE has an impact on adjacent territories, accumulating in water bodies and, as a result, in the human body. Such an impact cannot pass without a trace, however, the ambiguity of opinions in the scientific community regarding the toxic effects of REE on living organisms determines the relevance of a more detailed study of this issue. The paper presents experimental and theoretical results of studies of ion flotation in the aqueous solutions containing ytterbium cations and a surfactant as a collector - sodium dodecyl sulphate (NaDS).

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“…Magnetic separation and sorption were utilized for the removal of heavy metal (Nogueira et al, 2019). A graphene-based nanocollector was prepared by Hoseinian et al (2020). They prepared an amino-functionalized graphene oxide nanocollector to remove nickel ions by using an ion floatation process.…”

Section: Nano-adsorbents and Nanofiltration Membranesmentioning

confidence: 99%

“…They prepared an amino-functionalized graphene oxide nanocollector to remove nickel ions by using an ion floatation process. They were able to achieve around 100% removal of nickel ions from the wastewater using this economical, efficient, and stable nanocollector (Hoseinian et al, 2020).…”

Section: Nano-adsorbents and Nanofiltration Membranesmentioning

confidence: 99%

Microbial Nanotechnology for Bioremediation of Industrial Wastewater

Mandeep

Shukla

2020

Front. Microbiol.

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Pollutant removal from industrial effluents is a big challenge for industries. These pollutants pose a great risk to the environment. Nanotechnology can reduce the expenditure made by industries to mitigate these pollutants through the production of eco-friendly nanomaterials. Nanomaterials are gaining attention due to their enhanced physical, chemical, and mechanical properties. Using microorganisms in the production of nanoparticles provides an even greater boost to green biotechnology as an emerging field of nanotechnology for sustainable production and cost reduction. In this mini review, efforts are made to discuss the various aspects of industrial effluent bioremediation through microbial nanotechnology integration. The use of enzymes with nanotechnology has produced higher activity and reusability of enzymes. This mini review also provides an insight into the advantages of the use of nanotechnology as compared to conventional practices in these areas.

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Synthesis and characterization of a novel nanocollector for the removal of nickel ions from synthetic wastewater using ion flotation

Cited by 44 publications

References 39 publications

The effect of water recovery on the ion flotation process efficiency

The effect of water recovery on the ion flotation process efficiency

The Removal of Rare-Earth Metals from Water-Salt Systems – An Innovative Aspect of the Modern Industry

Microbial Nanotechnology for Bioremediation of Industrial Wastewater

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