Source: International Energy Agency (IEA), Clean Coal Centre. Upgrading and Efficiency Improvement in Coalfired
Power Plants. Clean Coal Reports at http://www.iea-coal.org.uk/site/2010/publications-section/reports.
Notes: ID=induced draft fans are used to create a vacuum or negative air pressure in a system or stack; ESP= an
electrostatic precipitator is a particulate collection device that removes particles from a flowing gas (such as air)
using the force of an induced electrostatic charge ; FD=a forced draft fan is used to provide a positive pressure
to a system ; LP=low pressure; HP=high pressure; PC=pulverized coal; RH=reheated ; SH=superheated;
TG=turbine generator.