COAL

WHAT IS COAL?

• A mix of dark brown or black rock which is mainly made up of decomposed plant matter

HOW DOES IT WORK?

• Coal is crushed to a fine dust and burnt
• The heat from the burning coal turns the water in the turbine into steam
• Steam moves the wind blades to create energy

RENEWABLE OR NOT?

• No, when you burn coal you use it up
• Fossil fuels are nonrenewable

HISTORY OF COAL.

• Goes back thousands of years
• 19th century is began to be frequently used during the industrial revolution
• Scientist have traced it back to the 2nd century

WHERE IS COAL FOUND?

• Mined in over 100 countries
• 6/7 continents
• Coal comes from the ground at coal reserves

HOW IS COAL RECOVERED?

• Surface and deep mining
• That depends on the depth of the found coal
• First they had miners who would chip the coal out of the walls

HOW IS COAL EXTRACTED?

• Today machines do the mining to eliminate the risk
• Mining is continous
• The ground is then restored back to normal

HOW IS COAL STORED?

• The coal immediately goes to a truck but most likely a train
• Sent off the ports or anywhere else in the world that it is needed

HOW IS COAL USED TODAY?

• Used to make electricity
• Mainly used in smelting metals and making products out of stones
• Most of the coal trains have turned to gas

IS COAL EFFICIENT?

• It does the job, but no
• Its nonrenewable
• It pollutes the air

COST OF COAL?

• Price of coal at the mine: $37.24 per ton
• After all transpiration and delivery costs: $90.42
• Health care injuries of workers: $74 billion a year
• Healthcare issues of general public: $187.5 billion/year

ADVANTAGES OF COAL USE.

• Dependable when in high demand
• As of now, it is cheaper
• Currently abundant
• Coal has been used for so many years that they have it understood

DISADVANTAGES OF COAL USE.

• Pollution
• Safety issue
• A lot of waste is produced
• Health issues

ECONOMIC IMPACT OF COAL.

• Affordable
• Gives jobs
• The US is the second leading producer of coal

ENVIRONMENTAL IMPACT OF COAL.

• Pollution
• Acid rain
• Disruption of the earth
• Health issues with people and even animals

FUTURE OF COAL.

• Coal will eventually run out
• We still have 300 years of coal to mine
• Price will increase as it become more and more scarce

FUN FACTS ABOUT COAL.

• The US produces 1 billion tons per year
• China is the leading producer
• Each US citizen uses 3 tons of coal per year
• Coal generate 40% off all the electricity in the US