Hello everyone! I am designing an LPG Odorant Injection System using mercaptan as the odorant. This is my first time to design such system. I only have the required odorant concentration which is 22.5ppm. How can i determine the required odorant gas flow and injection pressure? Thanks a lot.
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LPG ODORANT INJECTION SYSTEM
- Thread starter Regi1989
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ppm is on a mass basis, so 22.5 ppm is just saying for every 1,000,000 total lbs/hr (or kg, etc.) 22.5 must be mercaptan and the remainder of 999977.5 must be LPG. You will need to measure the flow of LPG and meter in the odorant based on a ratio. Injection pressure needs to be higher than the LPG line. I have never worked on this specific application, but I'm thinking a sparger of some kind may be useful in mixing the odorant in to the LPG stream.
You need the design flow for the pipeline. There are firms that sell these systems packaged.
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