Chemical Kinetics of Flue Gas Cleaning by Irradiation with Electrons

Mätzing, H.

doi:10.1002/9780470141298.ch4

Cited by 125 publications

(58 citation statements)

References 82 publications

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“…The radiation yield G ii of component P i in the given scheme is a negative value, which can be determined from a material balance with known values of G ij . The numerical values of G ij were adopted in accordance with published data [9].…”

Section: Kinetic Model For Radiation-chemical Processes In a Gasmentioning

confidence: 99%

“…At high temperatures ( T > 400 K), hydrogen abstraction and the formation of an A i • radical, which subsequently participates in reaction sequence (2), take place: OH + A i A i • + H 2 O. A simplified kinetic model for the formation and degradation of aromatic molecules in the temperature range under consideration was constructed based on an analysis of detailed kinetic models [6,9,[12][13][14] and a choice of principal steps in accordance with the procedure discussed previously [10]. The table summarizes a version of the model obtained as a result of excluding reactions from the full kinetic model with a 20% threshold of sensitivity for the concentration of C 6 H 6 over the region of integration over absorbed dose from zero to 20 kGy at a reaction temperature of T = 400-600 K. The reaction rate constants given were adapted to thermodynamic equilibrium conditions relevant to the Maxwell-Boltzmann distribution of gas particles over the degrees of freedom.…”

Section: Kinetic Model For Radiation-chemical Processes In a Gasmentioning

confidence: 99%

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Simulation of the formation and degradation of polycyclic aromatic compounds under the action of ionizing radiation

Gerasimov

2005

High Energy Chem

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The effectiveness of the electron-beam removal of harmful impurities from gases was studied as applied to polycyclic aromatic hydrocarbons. A kinetic model of the process was constructed for the formation and degradation of aromatic molecules under the action of ionizing radiation in high-temperature ( T > 400 K) and low-temperature ( T ≤ 350 K) regions. Conditions under which the concentrations of the test compounds were effectively decreased were found with the use of this model.

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Section: Kinetic Model For Radiation-chemical Processes In a Gasmentioning

confidence: 99%

Section: Kinetic Model For Radiation-chemical Processes In a Gasmentioning

confidence: 99%

Simulation of the formation and degradation of polycyclic aromatic compounds under the action of ionizing radiation

Gerasimov

2005

High Energy Chem

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“…When ambient air is irradiated, various oxidizing species such as OH radicals, O atoms, and O 3 are produced from air components through their ionization and dissociation [10,11]. Most O atoms rapidly react with sufficient O 2 and produce O 3 with the assistance of a third body, M (=N 2 /O 2 ) [12].…”

Section: Introductionmentioning

confidence: 99%

Determination of the Number of OH Radicals in EB-Irradiated Humid Gases Using Oxidation of CO

Hakoda

Shimada

Matsumoto³

et al. 2008

Plasma Chem Plasma Process

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Electron beam (EB) technology has an advantage for treating dilute environmental pollutants in gases due to high-density population of active species such as radicals and atoms. In general, OH radicals play an important role of initiating the decomposition and removal of such pollutants. It is quite important to understand the behavior of OH radical production for the development of efficient decomposition/removal processes and the comparison with other purification methods. The number of OH radicals produced in humid N 2 at doses of 2.0-10.0 kGy with dose rates of 0.17-2.55 kGy/s under 1-MeV EB irradiation was indirectly determined using an index of oxidation of CO to CO 2 , which has been used in atmospheric chemistry. An experiment under conditions where all OH radicals produced react with CO demonstrated that the concentration of CO 2 increased linearly with doses of 0-10 kGy, and the G(OH) was estimated as 4.90.

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“…The secondary electrons are thermalized fast within 1 ns in air at 1 atmosphere . The G-values (molecules/100 eV) of main primary species are simplified as follows (Mätzing, 1989) …”

Section: Ebmentioning

confidence: 99%

Organic Pollutants Treatment from Air Using Electron Beam Generated Nonthermal Plasma – Overview

Sun¹,

Chmielewski²

2012

Organic Pollutants Ten Years After the Stockholm Convention - Environmental and Analytical Update

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Chemical Kinetics of Flue Gas Cleaning by Irradiation with Electrons

Cited by 125 publications

References 82 publications

Simulation of the formation and degradation of polycyclic aromatic compounds under the action of ionizing radiation

Simulation of the formation and degradation of polycyclic aromatic compounds under the action of ionizing radiation

Determination of the Number of OH Radicals in EB-Irradiated Humid Gases Using Oxidation of CO

Organic Pollutants Treatment from Air Using Electron Beam Generated Nonthermal Plasma – Overview

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