The diagram below shows how rock is used to produce electricity. Summarise the information by selecting and reporting the main features, and make comparisons where relevant.

The diagram illustrates the process of generating

electricity

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from coal and oxygen through a series of stages, including heating, purification, and mechanical conversion.

Overall

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, the procedure involves transforming raw materials into syngas and

steam

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, both of which play a crucial role in powering turbines and ultimately producing

electricity

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for consumers. The process begins with the preparation of raw materials.

Initially

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, coal is fed into a large kiln, where it undergoes combustion in the presence of oxygen.

This

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reaction produces raw syngas and slag as byproducts.

Following

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this

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, the mixture enters a purification phase, during which impurities

such

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as carbon dioxide (CO₂), mercury, and sulfur are extracted. Once purified, the syngas is directed into a gas turbine, where it is spun to generate mechanical energy before being transferred to a generator, which converts it into electrical power for wholesale distribution.

Subsequently

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, the residual hot exhaust gases from the gas turbine are repurposed to generate

steam

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in a separate facility,

while

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flue gases are released into the environment. The high-pressure

steam

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is

then

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channeled

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channelled

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into a

steam

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turbine, causing it to rotate.

This

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mechanical movement is once again transmitted to a generator, where it is transformed into

electricity

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ready for consumer use. In summary, the production of

electricity

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follows a structured sequence, beginning with the combustion of coal and ending with the conversion of mechanical energy into electrical power. Each stage plays a vital role in optimizing efficiency

while

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minimizing waste,

ensuring

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and ensuring

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a steady supply of

electricity

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for end users.