Hydrogen conversion of existing pipelines: integrity solutions

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The analysis identified six sections with defects, and five were acceptable for hydrogen transportation at 75 bar pressure.
One defect was deemed unacceptable, necessitating repair or adjustment of operating pressure to ensure safety.
In-line inspection techniques including ultrasonic testing were crucial for assessing pipeline conditions in hydrogen environments.
Conversion to hydrogen transportation is feasible with regular monitoring and adherence to international strength standards.

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Analysis of pipeline integrity under hydrogen conditions reveals challenges in adaptation, highlighting safety standards.

Akhmetov et al. (2025) studied this question.

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