1.

Abstract

1

2.

Objective:  Low-Greenhouse-Impact Gasification Cycles

2

2.1

Plant Design Basis

2

2.2

Shell Gasification-Based Combined Cycle with Hydrogen, Electricity, and CO₂

2

2.2

Coal Mining, Coal Washing, Transportation, and Preparation

2

2.3

Raw Materials Preparation

3

2.3.1

Coal Preparation

3

2.3.2

Air Separation Unit (ASU)

3

2.3.3

Water Treatment

3

2.4

Gasification

3

2.4.1

Gasification

3

2.4.2

Heat Recovery and 23-Particulate Removal

4

2.4.3

COS Hydrolysis

4

2.5

Gas Conversion

4

2.5.1

Shift Reaction

2.6

Gas Separation and Purification

4

2.6.1

H₂S Recovery

4

2.6.2

CO₂ Recovery

5

2.6.3

Pressure-Swing Adsorption

5

2.7

Power Generation

5

2.7.1

Combustion Turbine, Heat Recovery Steam Generator, Steam Cycle

5

3.0

Comparative Costs of Power Cycles

5

3.1

Conclusion

6

3.2

Acknowledgements

6

3.3

References

6