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advantages and disadvantages of cup-tank vs conventional design

advantages and disadvantages of cup-tank vs conventional design

advantages and disadvantages of cup-tank vs conventional design

(OP)
What are the advantages and disadvantages for cup-tank (tank-in-tank) vs conventional bulk storage of chemicals in a new Terminal. I'm interested in operational, maintainance, environmental, safety, CAPEX, OPEX issues.

Cup-tanks give more storage capacity but have a higher CAPEX.

RE: advantages and disadvantages of cup-tank vs conventional design

ProcessIngo,

I am not sure what you consider conventional bulk chemical storage- presumably a tanks in a diked area. With respect to leakage, a good lined containment is probably sufficient in 99% of cases.

The cost and complexity (i.e. nozzle penetration details) of double walled tanks are only justified where extreme containment measures are desired. As an example, on my site we are storing precious metal catalyst solution in double walled tanks.

Of the many hundreds of tanks in various services I have worked with in my career, I could count the number of true double walled tanks systems on my fingers. Double bottoms are a different story- this has become fairly common.

bestwishes,
sshep

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