62
how many packing beds in C-6221 refining column?
what type are they?
3
2 structured, 1 random
%EO in suction of G-6772/73 reactor feed pumps
~7.7%
How do you reduce O2 concentrations to <1%
Pressure purge with Nitrogen 4 times.
Which one of our tanks only has one pump instead of two?
D-6240
what can be used to find chlorine leaks?
ammonia
Where are the PSV’s on top of C-6211 routed to and why?
V-7201 flare, could possibly contain E.O.
why does the Pipe reactor get larger throughout the system?
to increase residence time
What kind of glycol are we going to use to start up 6811 & 6821
MEG most likely, DEG if available for 6821 bottoms
smallest tank in tank farm
What are the DEG day tanks
Where do we get water for the safety shower system
City of Freeport
The make stream from C-6221 refining column can be routed where? which one will be in use normally.
F.C. C-6811 ( normal operation)
D-6870 Crude
D-6240 Purge Glycol
where does the condensate for evaporator reflux #456 come from?
E-6321
E-6307
E-6495 or C-6496
(low pressure reflux hdr)
Why do we leave part of the over head vapors in the refining columns uncondensed
To remove low boiling impurities
What is the equipment number of the Poly glycol cooler?
E-6919
Methane supplier
Fuel gas from Kinder-Morgan
We then clean it to our standards so it will not poison catalyst
Explain how the 3 psv's on the PGU pipe reactor work
The 2 that relieve to 6211 are set at lower pressure than the one that goes to 6705. Its expected you will relieve all EO to 6211 before going to atmosphere or 6705
Why is there a hand valve on G-6702/03 recycle?
Only want to recirculate pumps when you have to. apparently they can eat up alot of energy
pressure of vapor going from all vacuum packages to Lo-cal waste header.
What is 5-9 PSIG
Which tanks do not have liners?
Poly tanks 6917/20
On C-6221 refining column re-circulation loop, there is a flow orifice on the outlet of the re-boiler (E-6223 going back to tower.
Where is it at on the line and why?
its on the nozzle of the tower
provides back pressure on reboiler and flashes liquid when it enters column
Where does feed stream to reactors pick up heat along the way
6774 ABCD
E-6780 AVS OH condenser
E-6710 primary vent condenser
E-6731 pre heater
what are the streams that can go to bottom section of final concentrator (C-6811) just above the bottom section of packing.
Mono column heads cut
DEG column Heads cut
E-6824
C-6221 make product.
If the Marine Dept. calls and states that they are ready to start receiving product for "first foot samples" what do we need to do on our end?
nothing LBC will manage flow to Marine dept.