Selection of material properties for safety valve throat diameter calculation
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In a storage tank containing multiple components, the standard does not seem to specify how to determine which component should be used as the basis for safety valve calculations. I am currently working on the calculation for a storage tank safety valve; the lightest component in it is heptane, but its concentration does not exceed 0.3% (by mass), while the boiling points of the other components are at least 40°C higher than that of heptane. In this case, can heptane be used to calculate the throat diameter of the safety valve? Dear experts, please feel free to offer your guidance.
The problem is how to consider everything comprehensively; I didn’t know that when I first started in this field