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Question 8 Select a list of materials to fabricate a 2 m diameter by 4 m tall pressure vessel to be used in a processing stream in the Syncrude plant. The operating parameters are such that the environment is acidic, pH=4, there is a presence of oxygen and the tank contains a brine comprised of sulphate ions and bicarbonate ions. It operates under constant pressure and at a temperature of 45oC. Solution For this question, safety criteria for this very critical because of the high human risk involved. The following conditions should be used: ?f ? 0.20 KIC ? 120 MPaVm We made the following assumptions: Constant well pressure of 2500 kPa Constant temperature of 45oC Thickness of pressure vessel is 2.5cm. Diameter of vessel is 50 cm Hoop Stress We must calculate the hoop stress to get a better understanding of the internal pressure. We used the following to calculate this: For the considerations, we have stated the primary, secondary, and...

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