| abstract |
A vertical autoclave according to an embodiment of the present disclosure is a vertical autoclave including: an inlet port for introducing a treatment solution, an outlet port for discharging the treatment solution, an oxygen outlet for supplying oxygen to the treatment solution An inlet port, an agitator configured for mixing the treatment solution, an inner wall, a layer of acid resistant brick lining the lower portion and sides of the inner wall, and an acid resistant metal layer lining the upper portion of the inner wall. The method for removing salt from an autoclave comprises: raising the position of a surface of a solution in the autoclave from a first position to a second position such that the salt in the autoclave is immersed in the solution; and the surface of the solution The position is maintained at the second position. The salt dissolves in the solution while the surface position of the solution is maintained in the second position. |