A 2 4 year out of service tank cleaning schedule is recommended.
Caustic soda storage tanks.
If these elevated temperatures are required tank annealing and or naoh resistant corrosion barrier coatings should be considered to counteract potential tank damage.
Soda caustic tanks are exclusively in use in the aluminium industry for etching out the aluminium of extrusion dies.
That is not the best choice if you are storing caustic soda in concentrations of 50 or higher.
General storage guidelines for 50 caustic soda solution.
90 95 centigrade.
Product should be stored between 85 to 100 f 29 to 38 c.
So the liquid is heated up to approx.
Storage temperatures for caustic tanks should be beneath 100 f for polyethylene tanks and beneath 120 f for carbon steel tanks.
Sodium hydroxide tanks for sale sodium hydroxide vertical storage tanks.
Over time precipitation of calcium and magnesium hydroxide carbonates and oxalates will occur.
In such tanks high concentated soda is being used.
About caustic tanks sodium hydroxide also known as naoh caustic soda lye and ascarite is a chemical base used in a wide variety of manufacturing industries.
The typical caustic soda tank offered by plastic tank distributors is made from polyethylene.
That is not the best choice if you are storing caustic soda in concentrations of 50 or higher.
Afterwards the extrusion dies are inserted into the tank.