Hydraulic and earth engineering – Fluid control – treatment – or containment
Patent
1992-07-28
1993-11-16
Taylor, Dennis L.
Hydraulic and earth engineering
Fluid control, treatment, or containment
427341, 156287, 156294, 220469, 405 53, B65D 8700
Patent
active
052617645
ABSTRACT:
A method for in situ conversion of an original single walled tank 10 into a resultant double walled tank 24 for storing a material 14 is disclosed. The resultant double walled tank 24 has an outer wall 22 and an inner wall 26. Each wall 22 & 26 of the double walled tank 24 has an interior surface 28 & 30. The first step of the preferred method is to provide the original single walled tank 10 for in situ conversion into the resultant double walled tank 24. The original single walled tank 10 forms the outer wall 22 of the resultant double walled tank 24. The second step of the preferred method is to install a sensor 32 to monitor failure of either wall 22 & 26 of the resultant double walled tank 24. The third step is to install at least one plastic coating 34 over the interior surface 28 of the outer wall 22 to form the inner wall 26 of the resultant double walled tank 24, the plastic coating 34 being such that at least some of hydrogen atoms in the coating 34 can be replaced with other ions upon reaction. The fourth step of the method is to react the plastic coating 34 to replace at least some of the hydrogen atoms with other ions to create a barrier 35 that is substantially impenetrable to the material 14 stored in the resultant double walled tank 24.
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