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Fuel gas pressure reduction
Safety in design is important. You may have 150# rating piping in the 7 barg downstream system. You should have a full flow relief valve in the downstream of pressure control valve for API-520. If you do not have flare and the venting quantities (from relief) are high, then you can think of...- dhamo
- Post #7
- Forum: Chemical plant design & operations
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DI water cooling tower
Do not use DI water (Deionised water) as this would call for Stainless steel for Material of construction. If the water quality is bad, then you may think of softening the water (Replace hardess with Na ions). Fix circulating cooling water quality. From the make-up watr quality, you will be...- dhamo
- Post #6
- Forum: Chemical plant design & operations
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Dead stock removal from tanks.
If the tank has a drain line in the tank at a lower elevation than the pump suction line, then connect the drain line to the pump suction line. Line size and pump NPSH need to be checked for implementing this.- dhamo
- Post #6
- Forum: Chemical plant design & operations
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I am looking at the hydrate study f
PRO-II also has a module for hydrate prediction. You need the gas composition for this. If you have more than one composition (Rich and lean gas) you have to do the calculation for all the cases and take the worst case for your design. It is advisable to take a margin of 2 to 3 degreeC with...- dhamo
- Post #6
- Forum: Chemical plant design & operations
