Monthly Archives: July 2012

Coal and the Environment

coal
Coal, like all other sources of energy, has a number of environmental impacts, from both coal mining and coal use. Coal mining raises a number of environmental challenges, including soil erosion, dust, noise and water pollution, and impacts on local biodiversity.  Steps are taken in modern coal mining operations to minimise these impacts. Continuous improvements Continue Reading

How is Coal used to Generate Electricity?

elec
The most common process to generate electricity from coal includes pulverization and combustion in a furnace with a boiler. To simplify the things the much as possible the furnace heat converts boiler water to steam, which is then used to spin turbines, and turbines turn generators to create electricity. Efficiency of this process has been Continue Reading

COAL COMBUSTION PRODUCTS

flyash
Coal combustion products (CCPs) can play an important role in concrete production. CCPs are the by-products generated from burning coal in coal-fired power plants. These by-products include: fly ash bottom ash boiler slag flue gas desulphurisation gypsum others types of material such as fluidised bed combustion ash, cenospheres, and scrubber residues Fly ash can be Continue Reading