Find the temperature at which 98% and 93% of concentrated sulfuric acid condenses in winter
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What are the temperatures at which 98% and 93% of concentrated sulfuric acid condense in winter?
The crystallization temperature of 98% concentrated sulfuric acid is 273.25K, and the 93% freezing point is approximately 238.2.
What are the densities of 98% and 93% concentrated sulfuric acid? Will adding 98% concentrated sulfuric acid to water turn it into 93% concentrated sulfuric acid? ? ?
The specific gravity of concentrated sulfuric acid is 1.84. The percentage content is 98%. The mol concentration is 18mol/L. Calculation method: c=1000ρw/M=1000 * 1.84 * 98%/98=18
The poster is asking about the temperature at which sulfuric acid liquid appears in the gas phase pipeline in winter, right? “"Condensation" does not seem to mean "crystallization", such as "condensation water" in steam pipes.
At what temperature will sulfuric acid form a solid and cause pipeline blockage?
This is a problem that must be encountered in the sulfuric acid production industry. One year when my unit was driving in the winter, I found that sulfuric acid had solidified in the pipes. I had to put firewood on the bottom and bake it to melt the sulfuric acid. I will give you the data from the Japanese version of the Sulfuric Acid Manual, hoping it will be helpful to you.: The freezing point of 98% sulfuric acid is -1.1℃, and the freezing point of 93.19% sulfuric acid is -29.4℃. (The freezing point of 93% sulfuric acid is -27.6°C for your reference. I calculated it based on existing data. )
The density you mentioned requires a certain temperature. The temperature I gave you is the density at 25°C.: 98% sulfuric acid is 1.8310 ； 93% sulfuric acid is 1.8221. You said that adding water to 98% acid makes it 93%. in chemistry * Yes. But be careful not to get burned. But this is not how it is produced in industrial production. It uses 93% sulfuric acid to absorb the moisture in the sulfur dioxide gas. After the concentration becomes low, 98.5% acid is added from the first and second suction circulation tanks to increase the concentration. To produce acid with different concentrations, just release the acid from different circulation tanks. All your questions are related to the sulfuric acid section. I suggest you check the sulfuric acid section. I'm also glad to have this problem in the nitrogen zone. Welcome to come again!
Why don’t friends from the sulfuric acid section participate?