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

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

The diagram offers a comprehensive depiction of the coal-based electricity generation process. Overall, the process can be broadly categorized into three primary stages. This process begins with coal mining and transportation to the gasifier, followed by various stages of cooling and cleaning, culminating in the dispatch of the coal to a gas power plant, which then supplies electricity to industrial and residential areas.
In the initial phase, coal is extracted from mines, which is then subjected to crushing, reducing it to smaller fragments. Subsequently, the crushed coal fragments are transported to a gasifier, where combustion of the coal occurs at elevated temperatures, resulting in the production of gas.
Turning to the following stage, the generated gas is then transferred to another facility, where it undergoes cooling, producing waste heat as a byproduct. Once cooled, the gas is further cleaned to eliminate any residual impurities. The purified gas is subsequently fed into a gas power plant, where it generates electricity, then distributed for domestic and industrial use. Notably, at this final stage, the excess heat from the power station is still released into the atmosphere.

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