What materials should be used for storing low-concentration sulfuric acid?
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For a sulfuric acid storage tank with a concentration of 30-50%, what material is suitable? I would also appreciate some advice from experienced sea travelers; thank you!
For small tanks of 5 cubic meters or less, we often use PP; for those of medium size, up to 100 cubic meters, we usually use steel-lined PO; for tanks larger than 100 cubic meters, we commonly use acid-resistant brick lined with steel.
Our factory has four acid storage tanks for the concentration of dilute acids. The acid concentration ranges from 25% to 55%, with a volume of 400 m3 each. The acid temperature remains at or below 50 degrees Celsius. All tanks are made of fiberglass, which saves money!
Non-metals are better; metals require corrosion protection
The original poster has so many options! Non-metallic materials include polytetrafluoroethylene (F4), perfluoroethylene propylene (F46), soluble polytetrafluoroethylene (PFA), PO, PP, and PE. It is recommended that the sulfuric acid resistance of PO be ≤50%, and that of PE be ≤60%. OP, how do you deal with your waste acid? Is concentration needed? Let’s communicate more when we have time!
:Lol, we use fiberglass