estudio y caracterización de un plasma de microondas a presión ...

Índice
Figura 4.9: Grafica los valores de porcentaje de destrucción de tetracloruro de carbono
obtenidos al variar la potencia de microondas, para tres valores de concentración
diferentes. ............................................................................................................. 114
Figura 4.10: Corresponde a la dependencia del porcentaje de destrucción de tetracloruro
de carbono con el flujo de gas plasmógeno, representado para tres valores de
potencia aplicada. ................................................................................................. 115
Figura 4.11: Muestra la influencia de aumentar la concentración de tetracloruro de
carbono en el gas plasmógeno. ............................................................................. 116
Figure 5.1: Schematic diagram of the reactor and the proposed VOC destruction system.
.............................................................................................................................. 124
Figure 5.2: The concentration of C2HCl3 in the air plasma as a function of the applied
microwave power. ................................................................................................ 127
Figure 5.3: Exponential approximations of concentration vs. deposited energy density
(E). ....................................................................................................................... 129
Figure 5.4: The concentration of a) C2HCl3 and b) CCl4, at the gas outlet as a function
of the total flow rate (air plus VOC) and inner diameter (D) of the coupler tip. .. 130
Figure 5.5: The concentration of C2HCl3 and CCl4 at the gas outlet as a function of the
gas velocity and inner diameter (D) of the coupler tip. ........................................ 131
Figure 5.6: The energy efficiency of the system as a function of the inner diameter of
the coupler tip and the concentration of trichloroethylene. .................................. 132
Figure 5.7: The concentration of C2HCl3 and CCl4, and the %DRE at the reactor outlet
as a function of the initial concentration of contaminants and the applied
microwave power. ................................................................................................ 134
Figure 5.8: Cl I spectral lines observed in the discharge of an air plasma containing
C2HCl3. ................................................................................................................. 135
Figure 5.9: The concentration of CCl4 and C2Cl4 at the gas outlet as a function of the
total flow rate. ...................................................................................................... 136
Figure 5.10: Cu (I) spectral lines observed in the discharge of the air plasma in the
presence and absence of C2HCl3. ......................................................................... 137
Figure 5.11: The effect of the initial concentration of C2HCl3 on the rotational bands of
CuCl in the discharge of the plasma. .................................................................... 138
Figure 6.1: Schematic diagram of the reactor and the proposed VOC destruction system.
.............................................................................................................................. 148
Figure 6.2: Comparison between the estimated vibrational and rotational temperatures.
.............................................................................................................................. 153
Figure 6.3: Axial distribution of rotational temperature in a plasma of helium with 1000
ppm of carbon tetrachloride for four different values of the gas flow rate. .......... 154
Figure 6.4: Axial distribution of vibrational temperature in a helium plasma with 1000
ppm of carbon tetrachloride for four different values of the gas flow rate. .......... 155
x