To calculate the fixed carbon, the moisture, ash and volatile matter contents (express the weights in percent) are added together and this sum is subtracted from 100 percent. Fixed Carbon = 100% - % (moisture) -% (ash) - % (volatile matter)
compared to what. Percentage of coal used to make iron/steel, or percentage of coal shipped overseas, or percentage of coal used to make electricity, or....
It could mean the geological spread of coal seams in the ground. Or it could mean the process of getting the coal from the mines to the consumers.
The US had an abundance of coal and natural gas. It is estimated that 50% of the electricity generated in the US was from coal through burning fossil fuels.
In coal specs IDT means initial deformation temperature of Ash.
Russia has the largest coal reserves in the world. It has 1 third of the worlds coal reserves.
Russia and China
coal
67%
coal
United states & Russia :()
Coal reserves can last for up to 300 years
Saudi Arabia has the worlds largest oil reserves, followed by Russia and the United States. Canada has the most timber whilst Australia has the most easily accessible coal, sometimes just being scraped off the ground!
Montana leads the nation in coal reserves followed by Illinois and then Wyoming which currently leads the nation in coal production.
more oil reserves
reserves are coal still in the ground
what parts of Europe has coal