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  • 1
    Electronic Resource
    Electronic Resource
    CH2Cl2 decomposition by using a radio-frequency plasma system (1996)
    Chichester : Wiley-Blackwell
    Journal of Chemical Technology AND Biotechnology 66 (1996), S. 382-388 
    Details
    ISSN: 0268-2575
    Keywords: radio-frequency ; plasma ; CH2Cl2 ; gas ; decomposition ; reaction ; mechanism ; Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Process Engineering, Biotechnology, Nutrition Technology
    Notes: In this study, a radio-frequency plasma system was used to decompose a dichloromethane (CH2Cl2) containing gas. Analyses of the reactants and final products were conducted by using Fourier Transform Infrared Spectroscopy. Then, the effects of plasma operation-parameters, including the gas flow rate, the feeding CH2Cl2 concentration, the equivalence ratio φ ( = stoichiometric O2 needed/actual O2 used) and the input power wattage, for CH2Cl2 decomposition and for the fraction of total carbon input converted into CO2 and CO were investigated. Mole fraction profiles for each experimental condition were determined for the reactants (CH2Cl2 and O2) and for CO, CO2, H2O, HCl, CHCl3, CCl4, COCl2, C2HCl3 and C2Cl4. In addition, the possible reaction pathways were built up and discussed.
    Additional Material: 9 Ill.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
  • 2
    Electronic Resource
    Electronic Resource
    Decomposition of carbon dioxide in the RF plasma environment (1998)
    Chichester : Wiley-Blackwell
    Journal of Chemical Technology AND Biotechnology 73 (1998), S. 432-442 
    Details
    ISSN: 0268-2575
    Keywords: radio-frequency (RF) ; plasma ; carbon dioxide ; decomposition ; sensitivity analysis ; Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Process Engineering, Biotechnology, Nutrition Technology
    Notes: Application of radio-frequency (RF) plasma as an alternative technology for the decomposition of carbon dioxide with methane gas is demonstrated. The results of this study revealed that in CO2/CH4/Ar plasma, the best decomposition fraction of carbon dioxide was 60·0%, which occurs around 316°C in the condition designed for 5% feeding concentration of CO2, 5% feeding concentration of CH4, 20 torr operation pressure, 100 sccm total gas flow rate and 90 watts input power wattage. The CH, CH2 and CH3 radicals obtained from the destruction of CH4 could result effectively in high decomposition of CO2 in the plasma reactor. The optimal mathematical models based on the experimental data obtained were also developed and tested by means of sensitivity analysis, which shows that the input power wattage (W) was the most sensitive parameter for the CO2 decomposition. © 1998 Society of Chemical Industry
    Additional Material: 10 Ill.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
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