MC	Multi-compressor system
ASU	Air Separation Unit
BL	Pressure mechanical devices
BAT	Best Available Techniques
CC	Combustor Chamber
CCS	Carbon Capture and Storage
CFB	Circulating Fluidized Bed boiler
COP-25	Conference of Parties held in Madrid
DAC	Direct Annual Cost
De-NOx	De-nitrification unit
De-SOx	De-sulphuration unit
DOE	United States Department of Energy
ECO	Economizer (water pre-heater)
FM	Fabric Filter
GHG	Control of Greenhouse Gas
HF	Hot Filter
HP	High-pressure Turbines
HX	Temperature exchange equipment
IAC	Indirect Annual Cost
IEA	International Energy Agency
IP	Intermediate pressure Turbines
IPPC	Intergovernmental Panel on Climate Change
LCOE	Levelized Cost of Electricity
LP	Low-pressure Turbines
OTM	Oxygen Transport Membrane
RH	Reheater
SH	Super-heater
SPCCC	Specific Energy Consumption for CO2 captured
SR	Oxygen separation ratio
TCI	Total Capital Investment
TPC	Total Production Cost
TG	Turbine Gas
VP	Vacuum Pump
Symbols
CWagner	Wagner conductivity constant, mol/cm·s·K
dmem	Membrane thickness, m
JO2	Oxygen permeation rate, mol/m2·s
F	Faraday’s constant, C/mol
KWagner	Wagner temperature constant, K
yO2	oxygen molar fraction
m	Molar flow, mol/s
P	Total pressure, bar
${\mathrm{P}}_{{\mathrm{O}}_2}$	Oxygen partial pressure, bar
R	Ideal gas constant, J/mol·K
T	Absolute temperature, K
Greek symbols
σ	conductivity, S/m2
${\mathsf{\pi }}_{\mathrm{Mem}}$	Oxygen partial pressure ratio of membrane, dimensionless
Indices
a	Air
boiler	boiler
el	Electronic
i	Ionic
f	Feed side
memb	Membrane
perm	Permeate side
ret	Retentate side
t	Theoretical