Page 201 - New Trends In Coal Conversion

164 New Trends in Coal Conversion

CO 2 Boiler
HGF
Steam
generation

Recirculation

Coal

Chemical looping
O /recirculated-gas
2
mixture
Me x O y
Oxidation Reduction
reactor reactor
Me O y–2
x

Energy
input
Reduced Fresh
air air

LP steam
generation Compressor
Storage
Figure 6.8 Oxy-fuel coal-fired power plant with integrated chemical looping air separation.
Adapted from Moghtaderi, B., Wall, T., Doroodchi, E., Shah, K., Zhou, C., Song, H., 2015.
Chemical Looping Oxygen Generation for Oxy-fuel Combustion. Newcastle Institute for
Energy & Resources. The University of Newcastle.

O 2
O 2 Electricity
Hot gas Combined
Coal Gasifier
cleaning cycle
CO 2

Compressor
Storage
Figure 6.9 Oxy-fuel integrated gasification combined cycle power plant concept.
Adapted from Oki, Y., Hamada, H., Kobayashi, M., Yuri, I., Hara, S., 2017. Development of
high-efficiency oxy-fuel IGCC system. Energy Procedia 114, 501e504.