What is the purpose of the coating agent added to salt acid? What are the main components?
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What is the purpose of the coating agent added to salt acid? What are the main components?
To prevent hydrogen chloride gas from escaping, a thickness of 30–50 mm is generally required, and it is typically used on open containers.
If it is liquid paraffin, will it have an effect on rubber? Steel-lined rubber tank
Soft linseed oil prevents the volatilization of salts and acids in open containers
Salt acids are volatile; we use liquid paraffin.
Follow-up question? What if the container gets empty? Thank you
Typical containers have liquid level monitoring, and pumping stops once a low liquid level is reached. Even if there is an unexpected interruption, the extent of its impact depends on the conditions of the downstream processes and the properties of the materials.
I’ve learned that in the past, it was common to use water at the top of the salt and acid storage tanks, with a ejector being used to evacuate the air from there.