Search Results - "Petraconi, G"

Use of plasma reactor to viabilise the volumetric reduction of radioactive wastes by Prado, E.S.P., Miranda, F.S., Petraconi, G., Potiens, A.J.

“…Nuclear reactors, hospitals, industries and research institutes generate considerable amounts of radioactive waste every day. To dispose this waste in a safe…”
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Physicochemical Characteristics and Antimicrobial Efficacy of Plasma-Activated Water Produced by an Air-Operated Coaxial Dielectric Barrier Discharge Plasma by Miranda, F. S, Tavares, V. K. F, Gomes, M. P, Neto, N. F. Azevedo, Chiappim, W, Petraconi, G, Pessoa, R. S, Koga-Ito, C. Y

“…In this study, Plasma-Activated Water (PAW) was synthesized using a coaxial Dielectric Barrier Discharge (DBD) reactor, benefiting from the elevated capacity…”
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Performance of EPDM Composites Under Thermal Plasma Ablative Tests by Miranda, F. S., Prado, E. S. P., Silva, R. J., Ribeiro, A. M., Caliari, F. R., Calciolari, F. L., Sobrinho, A. S. Silva, Petraconi, G.

“…In this work, a thermal plasma-based ablation test system was used to evaluate the ablative performance of the EPDM composite. The system produces a high…”
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Theoretical and experimental approach of fuel gas and carbon black production from coal tar pitch by thermal plasma process by Prado, E. S. P., Miranda, F. S., Marquesi, A. R., Essiptchouk, A., Labat Amaral, G. A., da Silva Sobrinho, A. S., Petraconi, G., Baldan, M. R.

“…The processing of coal tar pitch (CTP) to produce clean fuel gas and carbon black (CB) is studied in a plasma reactor equipped with a direct-current plasma…”
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Coal Tar Pitch Processing: Experimental and Theoretical Characteristics of Thermal Plasma Process Using DC Plasma Torch by Prado, E. S. P., Essiptchouk, A., Amaral-Labat, G., da Silva Sobrinho, A. S., Petraconi, G., Baldan, M. R., Miranda, F. S.

“…Thermal plasma-assisted processing is an effective process for the synthesis of gas (CO and H 2 ) and carbonaceous materials production from industrial waste…”
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Physicochemical Modifications and Decolorization of Textile Wastewater by Ozonation: Performance Evaluation of a Batch System by Prado, E. S. P., Miranda, F. S., de Araujo, L. G., Fernandes, G. L., Pereira, A. L. J, Gomes, M. C., da Silva Sobrinho, A. S., Baldan, M. R., Petraconi, G.

“…This is an experimental study on the decolorization efficiency and the degradation of organic compounds from textile wastewater by the ozonation process in a…”
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Plasma in-Liquid Using Non-contact Electrodes: A Method of Pretreatment to Enhance the Enzymatic Hydrolysis of Biomass by Miranda, F. S., Rabelo, S. C., Pradella, J. G. C., Carli, C. Di, Petraconi, G., Maciel, H. S., Pessoa, R. S., Vieira, L.

“…Dielectric Barrier Discharge (DBD) can be used to produce a large volume of non-thermal plasma at atmospheric pressure. Such plasmas are sources of highly…”
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Effect of Ozone Exposure on Water Uptake and Germination of Lentil (Lens Culinaris) Seeds by De Souza, P. R. F., Souza, G. C. C., Pinto, J. V. F. A., Doria, A.C.O.C., Nascimento, L. M., Gomes, M. C., Da Silva Sobrinho, A. S., Petraconi, G., Sagás, J. C., Rodrigues, B. V. M., Pessoa, Rodrigo Sávio

“…The purpose of the current study was to investigate the effect of ozone exposure on the process of water uptake and germination of lentil (Lens culinaris)…”
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Chemistry studies of SF6/CF4, SF6/O2 and CF4/O2 gas phase during hollow cathode reactive ion etching plasma by Tezani, L.L., Pessoa, R.S., Maciel, H.S., Petraconi, G.

“…In this work, mass spectrometry and optical emission spectroscopy techniques were used to monitor the molecular and atomic neutral species during SF6/CF4,…”
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Experimental Studies on Low-Pressure Plane-Parallel Hollow Cathode Discharges by Pessoa, R. S., Sagás, J. C., Rodrigues, B. V. M., Galvão, N. K. A. M., Fraga, M. A., Petraconi, G., Maciel, H.S.

“…Hollow cathode discharge (HCD) is widely used in material processing and plasma emission spectroscopy due to several advantages over other plasma sources…”
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Numerical Study of Particle Heating in a Plasma Jet by Essiptchouk, A., Petraconi, G., Caliari, F. R., Miranda, F. S., Yesipchuk, M., Petraconi, A.

“…The motion of particles axially injected into the plasma spray process has been studied using a one-dimensional model. The effect of the initial particle…”
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On the Internal Gas Dynamics and Efficiency of a Vortex Water-Vapor Plasma Generator by Charakhovski, L., Essiptchouk, A., Otani, C., Petraconi, G., Marquesi, A., Sauchyn, V., Khvedchyn, I., Olenovich, A., Liavonchyk, A., Skamarokhau, D., Halinouski, A.

“…Results of experimental investigations of a new-type generator of an arc water plasma, having a high thermal efficiency close to 100%, are presented. This…”
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Evaluation of Evaporative Degradation of Arc Torch Cathodes in Hydrocarbon-Containing Plasmas for Spraying, Thermal Protection Testing and Related Technologies by Gorbunov, A. V., Gorbunova, V. A., Devoino, O. G., Petraconi Filho, G., Halinouski, A. A.

“…Design of non-transferred DC electric arc plasma torches (EAPTs) operated with plasma gases containing alkane hydrocarbons, as a promising type of heaters for…”
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Evaluation of thermal plasma process for treatment disposal of solid radioactive waste by Gonçalves, M.F.S., Petraconi Filho, G., Couto, A.A., Silva Sobrinho, A.S. da, Miranda, F.S., Massi, M.

“…The management of radioactive waste is a worldwide activity based on the guidelines of the International Atomic Energy Agency (IAEA), and all stages of…”
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Effect of gas residence time on the morphology of silicon surface etched in SF6 plasmas by PESSOA, R. S, MACIEL, H. S, PETRACONI, G, MASSI, M, DA SILVA SOBRINHO, A. S

“…This paper describes the effect of the SF6 gas residence time on the morphology of silicon (1 0 0) samples etched in a reactive ion etching system…”
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Microwave Air Plasma Applied to Naphthalene Thermal Conversion by Medeiros, H. S, Pilatau, A, Nozhenko, O. S, da Silva Sobrinho, A. S, Petraconi Filho, G

“…In this paper, a naphthalene (C10H8) thermal cracking model is presented. The model is based on a simple model that takes into account the microwave (MW)…”
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Numeric Model for Assessment of Naphthalene Conversion through Ionization Reactions in a Microwave Air Plasma Torch by Pilatau, A, Medeiros, H. S, da Silva Sobrinho, A. S, Petraconi Filho, G

“…In this study, the authors have presented a numeric model (NM) for application to naphthalene (C10H8) conversion via ionization reaction in a microwave air…”
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Off-axis growth of AlN thin films by hollow cathode magnetron sputtering under various nitrogen concentrations by Pessoa, R.S., Murakami, G., Massi, M., Maciel, H.S., Grigorov, K., da Silva Sobrinho, A.S., Petraconi, G., Marcuzzo, J.S.

“…Amorphous and crystalline AlN thin films were deposited on Si (100) substrates by off-axis hollow cathode magnetron technique. The evolution of the crystalline…”
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Nanoindentation study of Ti6Al4V alloy nitrided by low intensity plasma jet process by Barbieri, F.C., Otani, C., Lepienski, C.M., Urruchi, W.I., Maciel, H.S., Petraconi, G.

“…The present research has been conducted aiming the study of mechanical characteristic improvement of Ti6Al4V alloy surface. The proposed process is based on an…”
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High-velocity plasma spray process using hybrid SiO2 + ZrO2 precursor for deposition of environmental barrier coatings by Miranda, F.S., Caliari, F.R., Campos, T.M., Leite, D.M.G., Pessoa, R.S., Essiptchouk, A.M., Petraconi, G.

“…The demand for the development of more efficient, low emission, and high-performance aircraft have required new methods to obtain lighter materials, with…”
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