Nano-Particle Sizing in a Thermal Plasma Synthesis Reactor

Jia, Lingpu; Gitzhofer, F.

doi:10.1007/s11090-009-9196-9

Cited by 17 publications

(9 citation statements)

References 24 publications

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“…The thermal plasma process provides a high processing rate as well as many other advantages for the synthesis of nano sized powders such as a high processing temperature to vapourize all reactants, a clean reaction atmosphere that yields high purity products, a high quench rate to form fine powders and a wide range of reactants. Thus, research on thermal plasma synthesis at ceramics and composites in recent years has given a new direction and impetus too many industrial applications as one of the most promising methods for producing nano sized powders [54]. Fig.…”

Section: Thermal Plasma Synthesis Of Nano Particlesmentioning

confidence: 99%

Thermal plasma technology: The prospective future in material processing

Samal

2017

Journal of Cleaner Production

185

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International audienceAn attempt is made to access the past, present and future research and development in thermal plasma processing of materials. A brief explanation from the basic of thermal plasma understanding towards application of technology in various areas is covered in this article. Such as application of thermal plasma in coating technologies, synthesis of fine powders, waste destruction, spherodization with densification of powders and in slag metallurgy are described from the lab scale basis towards the industrial utilization. Since plasma process is governed by a large number of parameters from input power to furnace configuration. Generation of thermal plasma and various types of plasma reactor is discussed for contribute the significance of output attributes. Finally drawbacks for the growth of thermal plasma technology in commercial aspects are covered up. Keeping in view, the future vision in the area of plasma technology is addressed in this article. Thermal plasma technology and its level of achievements in laboratory and industrial benchmark are covered up in this article. A proposal of future vision in thermal plasma technology draws the attention for commercial benefits and reaches in milestone in industrial area

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Section: Thermal Plasma Synthesis Of Nano Particlesmentioning

confidence: 99%

Thermal plasma technology: The prospective future in material processing

Samal

2017

Journal of Cleaner Production

185

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“…First, (Ni 0.5 Cu 0.5 )Fe 2 O 4 NPs were synthesized in an induction thermal plasma reaction chamber, following a procedure already reported previously by us for the synthesis of NiFeO 2 NPs and using a plasma setup described elsewhere (Figure ) . The synthesis consisted in the coaxial injection aqueous solution of metal precursors (Fe, Ni and Cu nitrates in a 4/1/1 molar ratio) with a carrier gas (Ar) into an inductively coupled thermal plasma torch.…”

Section: Resultsmentioning

confidence: 99%

Plasma‐Made (Ni_0.5Cu_0.5)Fe₂O₄ Nanoparticles for Alcohol Amination under Microwave Heating

Dumaresq

Segalla

et al. 2019

ChemCatChem

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Amine N‐alkylation is a process involved in the production of a wide range of chemicals. Here we describe the synthesis of well‐defined (Ni0.5Cu0.5)Fe2O4 magnetic nanoparticles by plasma induction, and their successful application to amine N‐alkylation using alcohols as coupling agents through a borrowing hydrogen pathway. Plasma induction allows precise morphology and size control over nanoparticle synthesis, while allowing the one‐pot production of decagram quantities of material. Up to date, such nanoparticles have never been applied for organic reactions. By coupling high‐end characterization techniques with catalytic optimization, we showed that small Cu(0) satellite nanoparticles played an essential role in alcohol oxidation, whereas both Ni and Cu were required for the last step of the reaction. Using elemental mapping, we demonstrated that catalyst deactivation occurred through a leaching/re‐deposition mechanism of Cu and Ni. The reactions were conducted under microwave conditions, which exerted a positive effect on catalytic activity. Finally, the catalyst was active at low metal loadings (2 mol%) even on the gram‐scale, and affording unprecedented TON for this reaction catalyzed by Ni/Cu bimetallic systems (19).

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“…Several experiments have been conducted by previous researchers, including experiments with varying pressure, atomization gas flow rate, feed flow rate, atomization probe gap size, and droplet product size distribution. The powder product results illustrate that the size of the powder distribution increases with the decrease in plasma flows [49].…”

Section: Introduction To Plasmamentioning

confidence: 90%

Review on Plasma Atomizer Technology for Metal Powder

2019

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The application of plasma process is growing field covering a wide range of activities, from welding technology, coating technology, deposition technology, manufacturing technology of metal powder, and other important engineering technology. The manufacture of metal powders can be generated from the process of gas atomization, water atomization, plasma atomization, and plasma rotating electrodes process atomization. In the process of plasma atomization provides advantages in addition to producing round powder, it is also very potential for efficient processing and recycling of used and alloy materials, thus saving fuel and essential materials. These operations will have a continuing impact on our industrial society as a whole. The industry of future metal powder manufacturers that utilize plasma atomization technology is an investment strategy that has a great opportunity to grow rapidly. A variety of plasma processes for the manufacture of metal powders will be reviewed in this paper, among others, are plasma atomization and plasma rotating electrodes process atomization. They are all potentially able to control and to produce of metal powders of spherical particles, making it very profitable on powder technology applications. The purpose of this review is to summarize and provide future research for activities in the field of metal powders by plasma atomization processes. The emphasis on plasma engineering technology future research in powder making available for exploration and research needs to be met so that these future research can be realized. Finally, the future challenges of automation from the use of plasma atomization technology for additives manufacturing, powder welding and medical manufacturing.

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Nano-Particle Sizing in a Thermal Plasma Synthesis Reactor

Cited by 17 publications

References 24 publications

Thermal plasma technology: The prospective future in material processing

Thermal plasma technology: The prospective future in material processing

Plasma‐Made (Ni_0.5Cu_0.5)Fe₂O₄ Nanoparticles for Alcohol Amination under Microwave Heating

Review on Plasma Atomizer Technology for Metal Powder

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Nano-Particle Sizing in a Thermal Plasma Synthesis Reactor

Cited by 17 publications

References 24 publications

Thermal plasma technology: The prospective future in material processing

Thermal plasma technology: The prospective future in material processing

Plasma‐Made (Ni0.5Cu0.5)Fe2O4 Nanoparticles for Alcohol Amination under Microwave Heating

Review on Plasma Atomizer Technology for Metal Powder

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Product

Resources

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Plasma‐Made (Ni_0.5Cu_0.5)Fe₂O₄ Nanoparticles for Alcohol Amination under Microwave Heating