Development of a Submerged Thermal Plasma Process for Combustion of Organic Liquid Waste

Mabrouk, Majdi; Marchand, Mickael; Russello, Aldo; Baronnet, Jean Marie; Lemont, Florent

doi:10.1007/s11090-014-9587-4

Cited by 6 publications

(5 citation statements)

References 12 publications

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“…The process extensively detailed in [2] is based on a non-transferred arc torch producing a plasma jet of oxygen. The plasma torch is disposed vertically to the base of a water-jacket reactor filled with water ( Fig.…”

Section: Methodsmentioning

confidence: 99%

“…The combustion of CO is intrinsically a Fig. 1 Process flowsheet [2] Plasma Chem Plasma Process slow reaction involving the following fundamental reaction mechanism (in the absence of hydrogen):…”

Section: Tce As Waste Modelmentioning

confidence: 99%

“…To demonstrate the feasibility and potential of this process, a nearly full-scale laboratory pilot unit was builted. It was presented in details in [2] with a mixture of tributylphosphate (TBP) and dodecane as waste model. This paper presents the results obtained using trichloroethylene as the model molecule.…”

Section: Introductionmentioning

confidence: 99%

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Trichloroethylene Combustion in a Submerged Thermal Plasma: Results and Chemical Kinetics Model

Mabrouk¹,

Marchand²,

Baronnet

et al. 2016

Plasma Chem Plasma Process

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This work deals with incineration of organic liquid wastes using an oxygen thermal plasma jet, submerged in water. The results presented here concern incineration of trichloroethylene (TCE). During a trial run, the CO 2 and CO content in the exhaust gas is continuously measured; samples taken periodically from the solution are analyzed by appropriate methods: total organic carbon and chlorine content are measured. Process efficiency during tests with a few L/h of TCE is given by the mineralization rate. The trapping rate of chlorine as HCl is near 100 %. The TCE destruction and removal efficiency, measured by MS/GC, is better than 99.9999 %. A simplified kinetic model of gas quenching was constructed from a single-phase plug-flow reactor model taking into account 14 species and 34 reactions. It satisfies the requirements of heat balance and major components analysis, and reveals the major role of the OH radical on the concentrations of CO as well as HCl and/or Cl 2 in the off-gas stream.

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Section: Methodsmentioning

confidence: 99%

Section: Tce As Waste Modelmentioning

confidence: 99%

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Trichloroethylene Combustion in a Submerged Thermal Plasma: Results and Chemical Kinetics Model

Mabrouk¹,

Marchand²,

Baronnet

et al. 2016

Plasma Chem Plasma Process

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“…Organic liquid waste is commonly incinerated in cement plants (as an inexpensive fuel) or in a conventional burner in a furnace [3]. Many efforts have been made to find low cost and effective methods for treating various types of liquids, with efficient removal of contaminants and without forming greenhouse effect gases, dioxins or ozone depleting gases, that harm the environment.…”

Section: Introductionmentioning

confidence: 99%

“…Technological progress has stimulated the development of innovative oxidation processes suitable for the decontamination organic toxic compounds, presented in water effluents. All this has activated projects that used the jets of thermal plasma enriched by radicals with high oxidizing ability (see [3] and references therein). Thus, the submerged in-liquid plasma jet has been applied for the treatment of liquid wastes with elevated content of organic material, as well as, for the remediation and treatment of water [8].…”

Section: Introductionmentioning

confidence: 99%

Glycerine degradation by submerged plasma

Essiptchouk

Filho

Miranda

et al. 2019

J. Phys. D: Appl. Phys.

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Organic contaminants (for example in wastewater effluents) cause serious health and environmental problems due to their high chemical oxygen demand (COD), low biodegradability, and toxicity. Non-equilibrium and thermal plasmas were actively studied and numerous reactor geometries were developed to induce chemical reactions in treated liquids. Thermal plasma, because of its elevated temperatures and presence of highly active radicals, accelerates kinetics of chemical reactions and achieve high destruction efficiencies in processing of gaseous, liquids and solid materials. In this work, a plasma-chemical reactor, with submerged plasma jet for treatment of liquid residues, is presented and applied for treatment of water contaminated with glycerine. A distinctive feature of submerged plasma treatment is the high local plasma temperature and low treated liquid temperature, which promotes high quenching rate that preserves radical concentration and promotes advanced oxidation of aqueous effluents in highly turbulence flow. This work presents the main functioning characteristics of the reactor and the effect of specific energy input on glycerine degradation by thermal plasma.

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Advances toward sustainable radioactive waste pre-treatment and treatment practices

Rahman

2024

Nuclear Waste Management Facilities

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Development of a Submerged Thermal Plasma Process for Combustion of Organic Liquid Waste

Cited by 6 publications

References 12 publications

Trichloroethylene Combustion in a Submerged Thermal Plasma: Results and Chemical Kinetics Model

Trichloroethylene Combustion in a Submerged Thermal Plasma: Results and Chemical Kinetics Model

Glycerine degradation by submerged plasma

Advances toward sustainable radioactive waste pre-treatment and treatment practices

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