The diagram below shows how uranium is used in the production of nuclear power. Summarise the information by selecting and reporting the main features, and make comparisons where relevant.

The diagram presented displays the different steps covered in order to produce nuclear power from

uranium

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. At first glance, it can be observed that the process involves primarily 6 steps, where one of them can be considered cyclical. On the whole, it is not a cycle in which

uranium

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is re-used as a

fuel

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all over again to produce

this

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energy. The process can be divided into two different stages, production and post-usage.

Firstly

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,

uranium

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is extracted from the earth. After that, it needs to be processed in order to obtain U-235

fuel

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pellets, which are, basically,

uranium

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converted and enriched.

Subsequently

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is used as a

fuel

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so that electricity is obtained from U-235. After a period of over 4 years, the

uranium

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is spent and it is either re-processed and re-used or stored. In the first option, it is used to generate electricity again,

while

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in the other option, the spent

fuel

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is stored and buried in containers.