By distilling bituminous coal in retorts to obtain gas for illumination ... These originally formed the bitumen of the coal, which does not exist in anthracite; this latter being a natural ...

6th. In accounting for the formation of anthracite, it is not necessary to take into the elements of our theorizing the acthm of a high heat to change bituminous coal into anthracite. Heat is ...

Anthracite is the oldest version of the rock ... The next-best type is bituminous coal, which is used both to generate electricity and is an important fuel and raw material for making coking ...

It has a low carbon content and energy value compared to other types of coal, like bituminous coal or anthracite and is primarily used for electricity generation. In 1934, a lignite deposit was ...

Abstract: This paper gives figures as to the power cost and current consumption of anthracite mines and the reasons for these being in excess of the requirements bituminous mines. Estimates are also ...

Wood Mackenzie has published a new report, titled "Shining a light on the ‘coal versus LNG emissions’ debate."Wood ...