Heating activated carbon by electromagnetic induction

Mocho, Pierre; Bourhis, Jean-Roger; Cloirec, Pierre Le

doi:10.1016/0008-6223(96)00053-x

Cited by 24 publications

(12 citation statements)

References 7 publications

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“…36 The frequency range of interest is determined by the susceptibility coefficient (magnetic permeability), chemical composition, electrical resistivity, and dimensions of the object as well as arrangement of the workpiece versus the coil and the depth of penetration of induced magnetic field. 36 The frequency range of interest is determined by the susceptibility coefficient (magnetic permeability), chemical composition, electrical resistivity, and dimensions of the object as well as arrangement of the workpiece versus the coil and the depth of penetration of induced magnetic field.…”

Section: Effect Of Induction Frequencymentioning

confidence: 99%

“…In electrical furnaces, the applied electric frequency affects the induction heating and the chemical process behind it. 36 The frequency range of interest is determined by the susceptibility coefficient (magnetic permeability), chemical composition, electrical resistivity, and dimensions of the object as well as arrangement of the workpiece versus the coil and the depth of penetration of induced magnetic field. By increasing the frequency, the heat penetration is declined; hence, the normal frequency range is assumed to be 1-100 kHz (medium frequency) and 0.1-10 MHz (high frequency).…”

Section: Effect Of Induction Frequencymentioning

confidence: 99%

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Optimization of operating conditions in desulfurization of petroleum coke using induction heating

Pourabdollah

Zakaria

Najafizadeh

2020

Asia-Pacific J Chem Eng

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The matrix structure and properties of petcoke samples can be impressed by uniform and in situ thermal treatment. In this work, a novel hyphenated thermal approach was applied to investigate the ferromagnetic-based desulfurization of petcoke samples and the effect of controlling parameters. Induction heating furnace and capillary gas chromatography (CGC) were designed and assembled to study the thermal desulfurization of ferromagnetic petcoke, which was prepared by penetration of some metallic elements (e.g., Fe, Cr, and Ni) into the coke framework. Based upon a design of experiment algorithm, the petcoke matrix, the evolved gases and the residue coke breeze were monitored by energy-dispersive X-ray spectroscopy mapping, CGC, and electrical resistivity measurements. The results revealed that during petcoke formation, ferromagnetic metals were diffused and distributed throughout the coke matrix leading to the acceleration of the induction heating in the second stage of thermal treatment. Moreover, the evolved gas analysis showed the role and the rank of drainage rate, particle size, desulfurization temperature, induction frequency, and feed humidity parameters on the yield of desulfurization process. The effect of magnetic desulfurization on the specific electrical resistivity of coke breeze was identified as an industrial opportunity to be used in the cathodic protection systems. K E Y W O R D Sferromagnetic desulfurization, induction heating, electrical resistivity, EDX mapping

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Section: Effect Of Induction Frequencymentioning

confidence: 99%

Section: Effect Of Induction Frequencymentioning

confidence: 99%

Optimization of operating conditions in desulfurization of petroleum coke using induction heating

Pourabdollah

Zakaria

Najafizadeh

2020

Asia-Pacific J Chem Eng

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show abstract

“…By varying the frequency of commutations, it is possible to regulate the power of the IHS, and consequently the temperature and volume of the pumped liquid [32][33][34].…”

Section: Electrothermal Systems Based On Induction Heatingmentioning

confidence: 99%

The research of heating efficiency of different induction heating systems

et al. 2017

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Abstract. Computer models of tape and coil inductors are described, and a comparison of the heating efficiency depending on various parameters is made. The developed computer model was made in the ELCUT 6.0. As a result of the simulation, data on the heating characteristics (depending on the various parameters of the heating elements) are obtained. The average statistical data of a series of experiments with a tape inductor are given. It is shown that for the same parameters (values of inductance and number of wires), the tape version inductor heats up a pipe to a higher temperature (by 5.08%) than the inductor in the coil version in 10 minutes.

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“…Diese führen auf Grund von Ohm'schen Verlusten ebenfalls zu einer Erwärmung der Schüttung, welche sowohl von den Korn-als auch von den Bett-Eigenschaften abhängig ist [3,4]. Ungeachtet der Realisierbarkeit der Radiowellenerwärmung für unterschiedliche Aktivkohlen ist es plausibel, dass in den Fällen, in denen eine ausreichende Ohm'sche Leitfähig-keit vorliegt, eine Erwärmung mit niederfrequentem Wechselstrom (z.…”

Section: Als äQuivalenter Mechanismus In Zeolithen Kann Die Verschiebunclassified

Radiowellenerwärmung von Adsorbenzien und Katalysatoren – Teil 1: Grundlagen und technische Realisierung

Buchenhorst

Toufar

Kopinke

et al. 2006

Chemie Ingenieur Technik

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Heating activated carbon by electromagnetic induction

Cited by 24 publications

References 7 publications

Optimization of operating conditions in desulfurization of petroleum coke using induction heating

Optimization of operating conditions in desulfurization of petroleum coke using induction heating

The research of heating efficiency of different induction heating systems

Radiowellenerwärmung von Adsorbenzien und Katalysatoren – Teil 1: Grundlagen und technische Realisierung

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