Simple home-made hydrogene compressor

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SUMMARY

This discussion centers on the challenges of building a small hydrogen compressor for filling a 5L tank after electrolysis, with a focus on safety and legality. The original poster seeks alternatives to expensive commercial compressors, which can cost upwards of $20,000. However, participants emphasize the inherent dangers of handling flammable gases and high-pressure systems, advising against non-professional attempts to construct such equipment. The conversation concludes with a warning about the potential risks involved and a reference to the relevant safety information on Wikipedia.

PREREQUISITES
  • Understanding of electrolysis and hydrogen production
  • Knowledge of high-pressure gas systems
  • Familiarity with safety protocols for handling flammable gases
  • Awareness of legal regulations regarding gas compression
NEXT STEPS
  • Research safety standards for high-pressure gas systems
  • Explore professional hydrogen compressor options and their specifications
  • Learn about the legal implications of building gas compression systems
  • Investigate alternative methods for hydrogen storage and handling
USEFUL FOR

This discussion is beneficial for hobbyists interested in hydrogen production, safety professionals, engineers considering gas compression projects, and anyone evaluating the risks associated with DIY hydrogen systems.

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I would like to buy or build a small hydrogen compressor to fill a little 5L tank after electrolysis (releasing oxygen free to the air, just compress H to 200-300 PSI).
All looks fairly doable except for the compressor priced at $20K+. I thought to get it for a small fraction of that price and it would be nice to get any advice on it.
 
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Although you might be qualified to handle all the ingredients you mentioned (inflammable gases, high pressure) - a fact we cannot assess - it is far too dangerous to be debatable here (on the internet). We do not know about your qualification nor do we know anything about your intentions. But even more important, we cannot take responsibility for answers that might serve as a blueprint to other readers. Depending on the goals someone pursues, any help on this issue might even be illegal!

Personally, I strongly recommend to avoid such risks on a non-professional basis. People lost their lives on less.

The reason why it is dangerous (and possibly the reason for the high costs of professional equipment) can be read on the corresponding Wikipedia page:

https://en.wikipedia.org/wiki/Oxyhydrogen

Thread closed.
 
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