Ltages.1.two.three.4.5 014 cm-1.2.three.4.5 014 cm-1.2.three.4.5 014 cm-(a)(b)(c)1.2.three.4.five 014 cm-1.two.3.four.5 014 cm-(d)(e)Figure 13.13. Spatial distribution of the CO2density for times (a) 22ms, (b) six ms, (c) 10 ms, (d) 14 ms, and (e) 1818 ms for the Figure Spatial distribution from the CO2 density for times (a) ms, (b) six ms, (c) 10 ms, (d) 14 ms, and (e) ms for the reactor at 22 22 kV AC voltage and 1 cm distancebetween electrodes. reactor at kV AC voltage and 1 cm distance involving electrodes.The maximum values in the maximum values with the CO22 density have been identified inside the metallic inlet/outlet CO density have been found inside the metallic inlet/outlet pipes. The good ions accumulated this zone simply because they didn’t move toward the pipes. The constructive ions accumulated inin this zone because they did not move toward the electrodes for the low electric field inside the pipes. On the other hand, the CO ion is an electrodes due resulting from the low electric field insidethe pipes. Having said that, the CO2 2 ion is definitely an unstable species and will be speedily recombined with electrons damaging ions O2 – 2- unstable species and can be promptly recombined with electrons oror negative ions Oto to convert CO and O, and/or O . convert toto CO andO, and/or O2 2 .Density of DMPO Chemical neutral Species CO, O, and O2.Density of Neutral Species CO, O, and OThe densities in the neutral species CO and O generated inside the plasma discharge The densities of your neutral species CO and O generated inside the plasma discharge medium from the developed AC-PPP reactor at occasions two, six, 10, 14, and 18 ms are presented medium of your and 15. These neutral species were produced14, and 18powered electrode in in Figures 14 developed AC-PPP reactor at instances 2, six, ten, near the ms are presented Figures 14 and 15. These neutral species had been developed close to unfavorable voltage. This for the duration of the positive voltage and the ground electrode for the duration of the the powered electrode through the positive voltage along with the near the electrodes,duringproduced the dissociation was on account of the high electron density ground electrode which the unfavorable voltage. This and attachment processes of your neutral species in these regions. was as a result of the higher electron density close to the electrodes, which developed the dissociation The maximum values of neutral O densities are equal to and attachment processes on the CO andspecies in these regions. four.7 1011 cm-3 and two.three 1011 cm-3 , respectively. The maximum CO density is larger than O for the reason that this molecule is produced by two mechanisms, electron influence dissociation (reaction 7 and 9) and electron dissociative attachment (reaction 15). CO is often a somewhat steady molecule that can recombine with O and O- to type new CO2 when the residence time is high . However, the O atoms recombine quickly into oxygen Olesoxime Protocol molecules, O2 and/or ozone, O3 . Oxygen molecules, O2 , are formed mostly by the reaction of oxygen atoms together with the CO2 gas through neutral dissociation and 3-body recombination, reactions 17 and 20, respectively. Figure 16 shows the model outcomes of the spatial distribution with the O2 density at occasions two, six, ten, 14, and 18 ms. The maximum values of this density correspond to positions where O and CO2 densities are greater.Appl. Sci. 2021, 11, 10047 Appl. Sci. 2021, 11, x FOR PEER Overview Appl. Sci. 2021, 11, x FOR PEER REVIEW20 of 25 20 of 25 20 of124011 cm-3 011 cm-124011 cm-3 011 cm-(a) (a)(b) (b)12(c) (c)34011 cm-3 011 cm-124011 cm-3 011 cm-124011 cm-3 011 cm-(d) (d)(e) (e)Figure 14. Spatial distribution of the CO de.