Abstract
Energy storage acts as an important tool in balancing energy supply and demand across the electricity grid. With low carbon policy, renewable energy sources play an important role. Thermal energy storage can be performed using a cryogen (liquid air), which is produced during off-peak time and stored in order to be used according to the demand. The liquefaction of liquid air, operating at high pressure and low temperatures, requires a significant amount of electricity. In order to improve the thermal efficiency, it is proposed to integrate the cryogenic energy storage (CES) with coal oxy-fuel combustion and carbon capture. This study presents a process simulation in Aspen Plus® and performance analysis of such an integrated process. The study suggested that there are many opportunities for heat recovery and re-use in such a complex process. The whole integrated system efficiency can be improved significantly.
| Original language | English |
|---|---|
| Title of host publication | Computer Aided Chemical Engineering |
| Publisher | Elsevier B.V. |
| Pages | 1537-1542 |
| Number of pages | 6 |
| DOIs | |
| State | Published - 2014 |
| Externally published | Yes |
Publication series
| Name | Computer Aided Chemical Engineering |
|---|---|
| Volume | 33 |
| ISSN (Print) | 1570-7946 |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 7 Affordable and Clean Energy
Keywords
- Carbon Capture
- Coal Oxy-fuel Combustion
- Cryogenic Energy Storage
- Process Integration
- Process Simulation
- Thermal Energy Storage
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