The National Grid is supplied mainly from power stations which have overall efficiencies of up to about 35%.
Table 1 shows the average power requirements of a large chemical processing plant.
Table 1
| Requirement | Average power / MW |
|---|---|
| for driving electric motors, compressors, and pumps | 32 |
| for heating, steam creation, and distillation in the chemical process | 95 |
| for running electrical control systems, office equipment, and lighting | 8 |
The chemical plant can either:
The directors of the chemical plant are considering the CHP option.
Explain, with reference to the data above and any other factors, the advice you would give them.
In your answer you should:
