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Partial use of hydrogen


Technology Description

Kilns - the main unit producing clinker for cement production - require high temperature heat and typically run on fossil fuels. Exploration is underway to replace a portion of the fossil fuels with hydrogen; the properties of hydrogen are such that it is not expected it could fully replace fossil fuel requirements.

Relevance for Net Zero

The TRL indicates that this option is at a lower phase of development, and hydrogen production would need to be coupled with renewable electricity production or CCS in order to achieve emissions reduction. Considerable progress would be required to bring it to commercialisation and enable it to compete with alternatives. Furthermore, the technology would address energy but not process emissions from cement production.

Key Countries

United Kingdom, Germany, Spain

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