Term
|
Definition
| It can be used as a fuel after gasification or liquefacation |
|
|
Term
| What can be used to replace coal? |
|
Definition
|
|
Term
| Does coal have continuity of flow? |
|
Definition
| Yes, energy can be extracted from coal for continuous periods of time |
|
|
Term
| Does coal have convenience? |
|
Definition
| Coal has already past its peak, so the fossil fuels availability is slowly declining |
|
|
Term
| What is a major technological challenge to coal? |
|
Definition
| burning coal without adding to global carbon dioxide levels |
|
|
Term
| What does the most promising "clean coal" technology involve? |
|
Definition
| Using coal to make hydrogen from water, then burying the resultant carbon dioxide by-product and burning the hydrogen |
|
|
Term
| What is the challenge with clean coal? |
|
Definition
| Bring down its cost sufficiently for it to compete with nuclear power on the basis of near zero emissions |
|
|
Term
| What does clean coal by washing do? |
|
Definition
| reduces emissions of ash and sulfur dioxide when coal is burned |
|
|
Term
| What can fabric filters and electrostatic precipitators do? |
|
Definition
| remove 99% of the fly ash from the flue gases |
|
|
Term
| What does desulfurisation do? |
|
Definition
| reduces teh output of sulfur dioxide to the atmosphere by up to 97% |
|
|
Term
|
Definition
| disposal of the liquid carbon dioxide |
|
|
Term
| Can waste products from coal be used productively? |
|
Definition
|
|
Term
| What is the main focus of attention today from burning coal? |
|
Definition
|
|
Term
| What are two key considerations in sequestration? |
|
Definition
1. Safety
2. Premanence of disposition. |
|
|
Term
| What is the energy density of Bituminous coal? |
|
Definition
|
|
Term
| What is the energy density of Anthracite? |
|
Definition
|
|
Term
| What is the energy density of Sub bituminous? |
|
Definition
|
|
Term
| What is the energy density of Lignite? |
|
Definition
|
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