CGC
caustic wash tower
dryer/washtower
ERC
PRC
100
What pressure steam runs ETB-301
SHPS @ 1800psig
100
what is the Caustic tower preheater number and what is on the tube side?
ehe 304 

quench water

100
what is the purpose of the charge gas dryer?
to remove hydrates from the process stream
100
what pressure steam drives erc 341
600 psig hp
100
what pressure steam is extracted on etb 351
mp 150psig
200
What two things are used to reduce discharge temps?
bfw injections 

aftercoolers

200
where and how is yellow oil removed? and dont say in the caustic tower....
in the bottom section of the tower in the weak caustic area. removed by skimming 
200
what is used to regen the dryers
h2 off gas
200
is the erc an extraction turbine?
naw
200
etb 351 is what kind of compressor 
centrifugal 
300
What pressure steam is extracted from ETB-301
HP steam @ 600 psig
300
EMx 315 dilutes ____% caustic to ____%?
50 to 20
300
explain how the charge gas dryer regenerates?
reverse flow
300
compression generates_____ which could be reduced by cooling
heat
300
explain how a surface condenser works
ejectors / cond. of steam
400
what discharge temperature are we trying to maintain in the CGC system and why?
90*C

To reduce fouling

400
what two gasses are removed in the caustic tower
H2s CO2
400
how many trays does the washtower have
16
400
what is the importance of phase change in this area?
btu value
400
what are 3 users of this area
432 431 452 102 308 332 407 408
500
what controls the outlet pressure of the quench tower
1st stage suction of the CGC
500
what strength caustic is put into the tower and what are the number pumps they are associated with
strong 10% epu 313

medium 6% epu 312

weak 2% epu 311

500
what is removed inside of the wash tower
benzene
500
what are the 3 temps i=regarding the erc?
-101 -80 -62
500
draw the prc subsytem
ha!
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