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by bytesandbots
1876 days ago
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Have you worked with medical oxygen in a practical setting? People are desperate and might give this a try. In real medical scenario, O2 is provided as LMO (liquid medical oxygen) with 99.5% purity. It is given to patients via equipment that is meant to regulate pressure and flow-rate. > Connect it to oxygen supply through a breathing bag. Make some holes in the breathing bag. Eye the calculation so that incoming oxygen displaces at least 10 times the volume of exhaled CO2 You first need a clean and secure place to store it at pressure enough to be continuously consumed by a living breathing human. Generating oxygen with this means will inevitably result in mixing impurities via the coating on the electrodes or any pre-existing corrosion on the electrodes. Salts mixed into lye, soda, or other salts added to increase conductivity, can result in toxic chlorine and chloride fumes. Heating at the electrode will result in further unexpected fumes. You are suggesting plastic equipment around a 200A electrodes. If plastic is melting around the electrodes, imagine those fumes also mixing in. These are just few of the problems that comes to my mind. I am sure an actual expert will know better. Please refrain from posting such garbage, especially medical information. |
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I'm not suggesting 200A at electrodes. The actual current will be much less with water resistance, you will obviously melt plastic if you put full short circuit current into it.
It's also welding machines themselves are not created for continuous operation, especially electronics based ones. A 100A ones will croak, and go into safety shutdown even from operating at 10% of load continuously.
> You first need a clean and secure place to store it at pressure enough to be continuously consumed by a living breathing human.
You don't have to store it, it's about continuous generation.
> Salts mixed into lye, soda, or other salts added to increase conductivity, can result in toxic chlorine and chloride fumes.
Obviously you will electrolyze chlorine if there is enough of it, but you need to really be electrolyzing sea water like salt concentration for it to be an issue.
> Please refrain from posting such garbage, especially medical information.
I will not refrain. I will talk more with you once I will see your engineering credentials, which I believe you don't have after reading all of above.