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The image is a flow diagram illustrating the process of coal gasification and electricity generation. It starts with coal being input into a furnace, where it reacts with oxygen to create raw syngas. Flue gases are generated as a byproduct and sent through a heat recovery steam generator to create steam, which powers a steam turbine connected to a generator to produce electricity. The raw syngas goes through a removal process to eliminate CO2, Mercury, and Sulphur, resulting in purified syngas. The syngas then powers a gas turbine connected to another generator to produce additional electricity. Byproducts of the process include slag and hot exhaust gases which are depicted as leaving the system. No numerical data points or percentages are provided.
Given the complexity of the image, the above description may not be entirely accurate.
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The given image depicts how electricity is produced using fossil fuel.
Overall, there are four main stages in the generation of electricity: burning of coal, producing purified syngas, operating turbines, and creating electricity.
First of all, coal is led into a furnace where it is burned in an oxygen-rich environment. This process creates syngas and slag as a waste. The raw syngas then goes through a process to remove impurities such as CO2, Mercury and Sulphur. Purified syngas is then used to rotate a gas turbine, which operates a generator to produce electricity. The hot exhaust gas from the turbine is then collected in a heat recovery steam generator system where it is broken down into steam and flue gases. The flue gases are released into the air while the steam travels into a steam turbine to run another generator and produce energy. All the electricity from these processes enters the national power grid
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