Rules of Thumb and Quick Calcs
The saturation temperature of 100 psig steam. (or 10 barG steam).
What is 338 F?
or
What is 184 C?
The best way to prevent HCl slip from your chloride adsorbers.
What is proactive adsorbent changeout determined by chloride uptake calculations?
The best response to correct an SOL MPT alarm caused by low vessel skin temperature.
What is depressuring to less than max coincident pressure?
Discussion: Would you do something different first?
The static head pressure exerted by
20 m of 0.7 S.G. liquid or
20 feet of 0.7 S.G. liquid
What is 6 psig?
or
What is 1.37 barG?
Discussion: What formula do you use to determine this?
The minimum temperature at which reforming catalyst will perform commercially sufficient reforming reaction.
Bonus answer: The temperature at which reforming reactions start.
What is 470 C (880 F)?
What is 370 C (700 F)?
The actual specific gravity (or operating specific gravity) of stream 1.
What is 0.67?
Double Jeopardy: You multiple High Heating Value (HHV) by this to approximate the Low Heating Value (LHV).
For extra points, what are the other names for HHV and LHV, and what is the difference between the two?
What is 0.9?
Gross and net, vaporization of water removed from net.
Perchloroethylene becomes HCl via these two processes.
What is thermal decomposition and the Deacon process?
The dynamic viscosity of the liquid in stream 2.
The typical distance between fixed ladder rungs in the refinery.
What is 12 inches?
Or
What is 300 mm? (I blame co-pilot for incorrectness here)
The undesired, exothermic reaction that can occur during catalyst reduction when using impure hydrogen.
What is hydrogenolysis?
The final response to high fuel gas knock out drum level (IPL alarm), per the bp generic heater LOPA.
What is tripping the furnace?
The typical difference (in %) of hydrocarbon specific gravity per 100 F (38 C) of temperature change.
Put another way, for every 100 F increase in temperature, the specific gravity of a hydrocarbon decreases x %.
What is 5%?
(Per Norm Lieberman in his Process Engineering book series)
(Hint: Whiting had one of these units that had a massive explosion in 1955)
What is Hydroforming?
Fun fact: Hydroforming used a molybdenum-based catalyst.
Embarrassing fact: While making this, I realized that the UOP technology, Platforming, is called that because it is "PLATinum reFORMING."
This is Nick Ziemkowski's middle name.
.... I don't know!