New Coal Technologies

What is coal gasification?

Coal can be burnt underground under controlled conditions to produce useful gases (H₂, CO, CH₄)

What can the coal gases be used for?

Producing heat

Generating power

Why is coal gasification used?

Sometimes the coal is too deep to be mined

What is coal liquefaction?

The conversion of coal to liquid hydrocarbons, which have applications that solid coal cannot perform, such as liquid vehicle fuels

How is coal converted to liquid directly?

They can be converted to liquids directly using solvents

How is coal converted to liquid indirectly?

They can be converted to liquids indirectly using gasification then chemical changes to convert gaseous hydrocarbons to liquid hydrocarbons.