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How to dilute 115% fuming sulfuric acid into 98% sulfuric acid?

2020-03-22View Original

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Dear forum members, does anyone know how to dilute 115% (65%) fuming sulfuric acid to obtain 98% or 93% sulfuric acid? Thank you
Reply #22020-03-22
It’s not difficult to circulate 98% acid or 93% acid, add fuming acid and water, and control the acid concentration. Just set up the loop
Reply #32020-03-22
Tell me about your current conditions and traffic volume, and I can come up with a simple plan for you. It’s quite straightforward
Reply #42020-03-22
Adding niacin together with water should produce a large amount of acid mist, so absorption would likely not be very good
Reply #52020-03-22
The amounts of nicotinic acid and water added are extremely small compared to the circulation volume
Reply #62020-03-22
It’s not meant to be done directly; a large amount of sulfuric acid is needed as a heat carrier, otherwise the amount of heat released would be too great. It depends on the volume of material involved – if the volume is small, a tank-based circulation system is sufficient, while for larger volumes, a tower-based circulation system is required
Reply #72020-03-23
Hello, teacher. Our facility previously used 115% fuming sulfuric acid as a raw material; now that the facility has stopped operating, we want to deal with this 115% sulfuric acid. Due to certain constraints, it is not possible to treat it directly – it can only be processed after being diluted!
Reply #82020-03-24
It’s sold. Isn’t this a waste of resources?
Reply #92020-04-22
Add water – you’re amazing; there’s a lot of acidic mist, and heat is also generated, which is dangerous. It’s better to use dilute acid
Reply #102020-08-18
For 98 acid cyclic dilution, if nicotinic acid is added to water directly, it generates a lot of heat.

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