how impurities of hydrogen can be removed and also give chemical reaction
Answers
Answer:
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Explanation:
what is your required purity of hydrogen, you can use membrane technology for without liquidification you can get 99.98 % purity. we are using it right now as like PGHR Unit.
Question-
How can the impurities present in hydrogen prepared in the laboratory be removed?
Answer-
The impurities present in hydrogen prepared in the laboratory are as follows-
- Hydrogen Sulphide
- Sulphur Dioxide
- Oxides Of Nitrogen
- Phosphine (PH₃)
- Carbon Dioxide
- Water Vapour
Crude hydrogen gas containing carbon dioxide and hydrogen sulfide impurities are scrubbed with aqueous liquid triethanolamine solution (C₆H₁₅NO₃) to remove the impurities from the hydrogen gas.
Triethanolamine, or TEA is a viscous organic compound that is both a tertiary amine and a triol. A triol is a molecule with three alcohol groups.