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2. Liquefaction process
2.1 Design principles
The hydrogen liquefaction process consists of four successive stages:
precooling ;
purification ;
cooling and catalytic conversion of ortho-hydrogen to para-hydrogen;
liquefaction.
These various stages are described in figure 13 , which shows a simplified liquefaction process.
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Bibliography
Standards and norms
- Installation des systèmes mettant en œuvre l'hydrogène. - NF M58-003 -
Hydrogen regulations and standards in 2009. Ineris study report DRA-09-101596-02693A.
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