So I have a single vent on top of a 98% sulphuric acid storage tank that has Hydrogen gas coming out of it (for some reason).
I need to find the weight fraction of Hydrogen in the vapour space so I can calculate the hydrogen concentration at the vent. How do I do this?
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Calculating Hydrogen Gas Weight% At Vent In Sulfuric Acid Tank
#1
Posted 15 January 2014 - 11:03 PM
#2
Posted 16 January 2014 - 11:17 AM
Hmm, acids reacts with metals to produce hydrogen... I think I would be more worried about hydrogen gas coming out of an acid tank.
#3
Posted 26 January 2014 - 01:51 PM
Is this a real life situation? What you are naively describing is an industrial hazardous and dangerous situation. Please communicate all the facts. As professional engineers we can morally allow you to operate a tank under the situation you describe without advising you of the impending dangers. Therefore, unless you are a young, inexperienced student, don't use immature, layman's language like "So I have a single vent ......" The more accurate and specific the advice.
The continuous venting of hydrogen gas from an acid tank is NOT a normal - nor acceptable - situation. As thorium90 states, this hydrogen may be originating from a reaction between the acid and the tank material. Use practical horse sense: if your tank material is reacting to produce hydrogen, then your tank's material is being consumed - while the tank contains acid! The end result of such a scenario is that your tank will ultimately rupture from excessive depletion of the parent metal and the consequences are almost fatal to the surrounding area.
If this is a real situation, please cooperate and give all your basic data and allow us to help you out. If this is not a real situation, please post this topic in the Student Forum as a homework problem.
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