WP1: Oxyfuel combustion of lignite and design principles for Oxyfuel boilers

• Experiments on Oxyfuel combustion of lignite at the pulverised coal-fired Oxyfuel test facility of TU Dresden (55 kW_th)
• CFD modelling of Oxyfuel pulverised coal combustion in order to validate experimental results
• Development of design principles for pulverized coal-fired Oxyfuel boilers for pre-dried lignite

WP2: Oxyfuel combustion of hard coal and design principles for Oxyfuel boilers

• Experiments on Oxyfuel combustion of hard coal in the test reactor of TU Hamburg-Harburg
• Development of design principles for hard coal-fired Oxyfuel boilers

WP3: Alternative types of Oxyfuel boilers

• Basic design of Oxyfuel boilers with slag tap furnace and circulating fluidised bed combustion
• Numerical simulation by CFD
• Comparison and assessment of all concepts for application in Oxyfuel processes

WP4: Development of design principles for the firing system

• Customisation of a pulverized coal firing system for use with oxyfuel combustion
• Focus on leakage air reduction, flue gas recirculation, coal transport and oxygen supply

WP5: Desulphurisation of flue gases from Oxyfuel combustion

• Investigation of various desulphurisation processes for application in the coal-fired Oxyfuel process
• Experiments at a two-stage desulphurisation unit and a flue gas condensation unit connected to the pulverised coal-fired Oxyfuel test facility of TU Dresden
• Experiments on oxyfuel flue gas desulphurisation by distillation

WP6: Process chain for CO₂ capture and purification

• Phase equilibria of CO₂ with inert gases, test of a phase separator
• Selection of gas treatment technologies for further cleaning of CO₂
• Design of a complete CO₂ product recovery train for coal-fired oxyfuel plants

WP7: Concept studies and techno-economic assessment

• Overall process design, simulation and optimisation for coal-fired Oxyfuel power plants with CO₂ separation
• Cost estimation and economic assessment