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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 diagram illustrates the process of making the energy from coal. In general, the energy from coal consists of multiple stages with usage of hot exhaust gases.
Firstly, the coal delivered with the help of the truck and the oxygen from the power plant are mixed in the furnace. As a result raw syngas and slag come out from the furnace. The purified syngas appears to thanks to raw syngas after the removal of CO2, mercury, and sulfur. The purified syngas passes through the gas turbine and is divided into two parts.
This is hot exhaust gas and its first part threw the heat recovery steam generator. Afterwards, it turned out to the flue gases and steam. The steam passed through the steam turbine and generator and after it it came to electricity. Whereas, the other part of the hot exhausted gas came to generator right after it left the gas turbine. Then it came to the electricity in the same way as the first part.
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