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. 2020 Aug 14;10(8):1596. doi: 10.3390/nano10081596

Table 7.

NTP-assisted CO2 reforming of methane.

Catalyst Formulation
(Metal Particle Size *)		 NTP Technology Operative Conditions Ref.
TiO2/g–C3N4 DBD 4–12 kHz, 20–60 W
Feed flowrate = 50 mL min−1
CO2:CH4 = 6:1 to 1:6		 [115]
Ni/γAl2O3–MgO
(12 nm)		 DBD 1–30 kV, 7.5 kHz, 100 W
Feed flowrate = 20 mL min−1
CH4:CO2 = 1		 [116]
Ni/La2O3–MgAl2O4
(10.77 nm)		 DBD 1–30 kV, 7.5 kHz, 100 W
Feed flowrate = 20 mL min−1
CH4:CO2 = 1
T = 350 °C		 [117]
Ni/La2O3–MgAl2O4 DBD 1–30 kV, 7.5 kHz, 33–116 W
Feed flowrate = 20 mL min−1
CH4:CO2 = 1		 [118]
Ni/Al2O3
(<6 nm)		 DBD 12–26 kV, 50 Hz, 1.4–4.8 W
CH4: 10% vol in Ar balance
CO2: 5% vol in Ar balance
Feed flowrate = 40 mL min−1
CH4:CO2 = 1: 2, 1:1, 2:1		 [119]
BZT; BFN; glass beads DBD 12.1–13.6 kV, 20 kHz
Feed flowrate = 40 mL min−1
CH4:CO2 = 1		 [120]
Ni/γ-Al2O3 DBD 30 kV, 10 kHz, 20–60 W
Feed flowrate = 25–125 mL min−1
CH4:CO2 = 1		 [121]
La2O3/alumina balls DBD 24 kV, 800 Hz, 8 W
Feed flowrate = 40 mL min−1
CO2:CH4 = 0.4, 1, 2.3
He dilution: 33.3%, 50%, 75%		 [122]
Ni/AC DBD 30 kV, 5–12 kHz, 45 W
Feed flowrate = 50 mL min−1
CH4:CO2 = 1
T = 270 °C		 [123]
Ni/α-Al2O3 DBD 15 kV, 5–30 kHz
Feed flowrate = 100 mL min−1
CH4:CO2 = 1		 [124]
NiCexC
(23.7–31.1 nm)		 DBD 8.5 kHz, 40 W
CH4:CO2 = 3:1 to 1:3
Feed flowrate = 50 mL min−1
CH4:CO2 = 1
T = 260 °C		 [125]
ZrO2; UiO-67; 2% PtNP@UiO-67
(1–4 nm)		 DBD 6–10 kV, 30 kHz, 11 W
CH4 up to 5000 ppm in Ar balance
CO2 up to 5000 ppm in Ar balance
Feed flowrate = 100 mL min−1
CH4:CO2 = 0.5–1.5		 [126]
LaNiO3@SiO2 NP
(40 nm)		 DBD 30 kV, 5–100 kHz, 50–200 W
Feed flowrate = 50 mL min−1
CH4:CO2 = 1		 [128]
CaO; CaCO3; Ca(OH)2 DBD 13.5 kV, 800 Hz, 8 W
Feed flowrate = 40 mL min−1
CH4:CO2 = 2
T = room T; 100 °C		 [130]
Pt–Sn/Al2O3; BaTiO3; HZSM-5 DDBD Generator: CTP-2000 K (9 kHz)
Power: 8.1–65.8 W		 [131]
– Gliding arc discharge Frequency: 50 Hz [132]
– RGA 0.74–1.50 A
Feed flowrate = 3.7; 4.7; 6.7 SLPM
CO2:CH4 = 1; 1.5; 2
Tpre-heating = room T; 200 °C		 [133]