What is the hydrogen content threshold in propylene, and at what level or below is it harmless to storage equipment?

2017-09-18View Original

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What is the hydrogen content threshold in propylene, and at what level or below is it harmless to storage equipment?

Reply #22017-09-18

The hydrogen content in propylene should be very low, and the design pressure of the tank is determined based on the saturated vapor pressure at 50°C when both are present.

Reply #32017-09-19

What materials and what type of equipment has the poster chosen? Generally, there are two issues: 1. Design pressure 2. Material selection

Reply #42017-10-20

What kind of propylene is stored here? Chemical grade? Polymer grade? Hydrogen again? When stored in propylene products, the hydrogen content generally does not exceed 200 ppm; levels above 100 ppm are very rare! With a high hydrogen content, the propylene column would have overpressure long ago!

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