Using Fig. 5-2, determine energy efficiency of CO2 dissociation into CO and O2 i

ID: 1766713 • Letter: U

Question

Using Fig. 5-2, determine energy efficiency of CO2 dissociation into CO and O2 in thermal plasma in the regime of ideal quenching at specific energy input 3 eV/mol.

90 70 it) 30 10 0.1 0.3 Ev, eV/mol IE Figure 5-2. Energy efficiency of CO2 dissociation as a function of specific energy input. (1, 2), non- (3)M- 5: (4) M-35; calculations of thermal dissociation with (5) ideal and (6) super-ideal quenching ilibrium calculations for supersonic (7) thermal dissociation with quenching rates 10° K/s, (8) 108 K/s, (9) 10 K/s. Different experiments in different RF-CCP discharges: o,V. Experiments in RF-ICP discharges: .Experiments in different arc discharges:&,

Explanation / Answer

It seems from the graph that the ideal quenching is depicted by the curve number 5. If you take a vertical line from 3 eV/mol specific energy from the x axis, it intersects the curve number 5 at a particular point. Now, from that particular point on curve 5, if you take a horizontal line, then it intersects the efficiency or efficiency (%) at 50 %. Hence, 50 % is the answer it seems.

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Using Fig. 5-2, determine energy efficiency of CO2 dissociation into CO and O2 i

Using Figure 1 as a guide, calculate the length of time that the external electr

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Using Fig. 5-2, determine energy efficiency of CO2 dissociation into CO and O2 i

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