4 JAN ---------- The chart diagram below shows how one type of coal is used to produce electricity. Summarise the information by selecting and reporting the main features, and make comparisons where relevant.

The provided diagram illustrates the

process

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of electricity production using coal as a raw material.

Overall

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, it can be seen that there are five stages before electricity is distributed, starting with the crushing of coal and ending at the

gas

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power plant. Looking at the

process

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in detail, coal is first prepared by being crushed into fine gravel through a milling

process

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. The processed coal is

then

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transported to a gasifier, where it reacts with steam and air at high temperatures and pressures, producing hot fuel

gas

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.

After

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this

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,

this

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gas

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is cooled in heat exchangers, during which heat waste is released into the atmosphere through a big chimney. At the fourth step in the

process

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, the fuel

gas

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is cleaned before being sent to the

gas

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power plant. In that place, the fuel

gas

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is used to generate steam, which drives the turbine's blades.

Thi

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This

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converts the kinetic into electrical energy.

Finally

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, the

generate

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generated

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electricity is distributed to consumers through a complex system of power lines and transformers.