Conclusions
The present research has shown the efficient synthesis of alternative
fuel, i.e., ethanol with some side product of methanol, simply
from the CO2 and H2O steam, under negative corona discharge.
We have revealed that the negative ions of CO2 and H2O could
interact under negative corona discharge as strong reducing environment
to synthesize ethanol, which is differently from previous
results of trace methanol product created by the microwave
plasma. The mechanism of electron attachment on those gaseous
molecules creating accelerated anions might be the key of CO2
and H2O reduction reaction. The present experiment of
negative-ion reaction experiment and theory could help understanding
why and how the reduction of CO2 and H2O could occur
in the strong reducing environment of negative corona discharge
into ethanol as alternative fuel and medium of energy storage.
The finding that the yield of ethanol increase with pressures could
indicate the potential of using the outlet steam of turbine in moderate
pressures (e.g., 40 atm) and emitted CO2 with off-peak electricity
in coal-fired power plants to produce ethanol, eventually
approaching both goals of storing off-peak electricity into liquid
fuel and utilization of emitted CO2.
ConclusionsThe present research has shown the efficient synthesis of alternativefuel, i.e., ethanol with some side product of methanol, simplyfrom the CO2 and H2O steam, under negative corona discharge.We have revealed that the negative ions of CO2 and H2O couldinteract under negative corona discharge as strong reducing environmentto synthesize ethanol, which is differently from previousresults of trace methanol product created by the microwaveplasma. The mechanism of electron attachment on those gaseousmolecules creating accelerated anions might be the key of CO2and H2O reduction reaction. The present experiment ofnegative-ion reaction experiment and theory could help understandingwhy and how the reduction of CO2 and H2O could occurin the strong reducing environment of negative corona dischargeinto ethanol as alternative fuel and medium of energy storage.The finding that the yield of ethanol increase with pressures couldindicate the potential of using the outlet steam of turbine in moderatepressures (e.g., 40 atm) and emitted CO2 with off-peak electricityin coal-fired power plants to produce ethanol, eventuallyapproaching both goals of storing off-peak electricity into liquidfuel and utilization of emitted CO2.
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