What is coal combustion used for?

What are the products after burning coal?

Several principal emissions result from coal combustion: Sulfur dioxide (SO2), which contributes to acid rain and respiratory illnesses. Nitrogen oxides (NOx), which contribute to smog and respiratory illnesses. Particulates, which contribute to smog, haze, and respiratory illnesses and lung disease.

What Can coal be burned for?

People began using coal in the 1800s to heat their homes. Trains and ships used coal for fuel. Factories used coal to make iron and steel. Today, we burn coal mainly to make electricity.

How does coal combustion work?

Coal-fired plants produce electricity by burning coal in a boiler to produce steam. The steam produced, under tremendous pressure, flows into a turbine, which spins a generator to create electricity. The steam is then cooled, condensed back into water and returned to the boiler to start the process over.

What is the formula of coal?

The chemical formula of coal is reported as: C135H96O9NS. Coal is usually taken as 85% carbon based on dry mass.

What are disadvantages of coal?

The major disadvantage of coal is its negative impact on the environment. Coal-burning energy plants are a major source of air pollution and greenhouse gas emissions. In addition to carbon monoxide and heavy metals like mercury, the use of coal releases sulfur dioxide, a harmful substance linked to acid rain.

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Is coal still being formed?

Coal is very old. The formation of coal spans the geologic ages and is still being formed today, just very slowly. Below, a coal slab shows the footprints of a dinosaur (the footprints where made during the peat stage but were preserved during the coalification process).

What are the disadvantages and advantages of coal?

The Advantages of Coal

  • Coal is the Cheapest of All Fossil Fuels. …
  • Coal is the Number One Energy Source. …
  • Coal Mining is a Big Business. …
  • Coal Has More Uses Than Just for Energy. …
  • Production Isn’t Governed by the Weather. …
  • Coal Reduces Reliance on Foreign Oil Imports. …
  • Coal is Cleaner Than You Think.