System and method for storing compounds

An apparatus comprising:

• a vessel having a first end and a second end, with the first end being open and the second end being closed, said vessel further including an inner portion and an outer portion, with a liquid compound being disposed within said inner portion of said vessel;
• a movable ceiling member positioned within said vessel, said movable ceiling member forming a first chamber within said vessel and a second chamber within said vessel, and wherein the compound is located within said first chamber and said second chamber is exposed to atmosphere;
• means for lifting said movable ceiling member from said vessel;
• and wherein said lifting means comprises:
• a line member having a first end and a second end, with the first end being attached to the movable ceiling member, a swivel boom member being attached to said outer portion of said vessel, with said second end of said line being attached to said swivel boom member so that said movable ceiling member may be lifted from said vessel;
• a circulation conduit operatively attached to said movable ceiling member;
• a drain conduit operatively associated with the second end of said vessel;
• and
• a first pump means having an input connected with said drain conduit and an output connected to said circulation conduit so that the compound is circulated within said vessel.