I searched a lot in the internet sources to find out how many licenser companies are there in sulfuric acid plants construction and differences between these licenses or what are the advantages and disadvantages between similar licenses? But I couldn’t reach to a clear answer. Could you please help me in this case Or introduce a good internet source for finding characteristic and advantages or disadvantages of these technologies?
Thank you in advance from your attention.
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Sulfuric Acid Plant License
Started by Guest_asad_*, Oct 09 2007 05:12 AM
1 reply to this topic
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#1 Guest_asad_*
Posted 09 October 2007 - 05:12 AM
#2
Posted 10 October 2007 - 05:53 AM
I believe nearly all sulphuric acid production is still made using the contact process. Just do a google search to see how this works.
You seemed to be asking about proprietary differences between different companies producing Sulphuric acid. Im afraid I cant help on this point - maybe check patents.
There are a few ways of concentrating sulphuric acid. Acid can be concentrated upto something like 90% boiling off vapours under vacuum.
You could use distillation to get more concentrated - but there is an azeotrope formed somewhere.
Rather than azeotropic distillation it is easier to absorb SO3 in a falling stream of H2SO4. This will produce battery-grade acid at around 99.5% (and this is essentially the contact process).
Dont know if this has really helped but hopefully someone else will step in and put me right
You seemed to be asking about proprietary differences between different companies producing Sulphuric acid. Im afraid I cant help on this point - maybe check patents.
There are a few ways of concentrating sulphuric acid. Acid can be concentrated upto something like 90% boiling off vapours under vacuum.
You could use distillation to get more concentrated - but there is an azeotrope formed somewhere.
Rather than azeotropic distillation it is easier to absorb SO3 in a falling stream of H2SO4. This will produce battery-grade acid at around 99.5% (and this is essentially the contact process).
Dont know if this has really helped but hopefully someone else will step in and put me right
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