Document 70pGpNqz0Oez43VjzG9orNj8E
WRITTEN BY: ESN
DATE:10/16/89
APPROVED DATE:
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CHECK
ACTION STJIPS (Capital letters) and Comments (Small letters)
THERE ARE TWO MAIN VENT HEADERS IN THE OHC UNIT; THE 109 START-UP HEADER (TO ATMOSPHERIC SCRUBBER) AND THE 4" VENT HEADER (TO THE INCINERATOR).
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1. THE 10" START-UP HEADER HANDLES THE VENTS OFF OF THE REACTOR LARGE PRESSURE CONTROL VALVE AND THE PRIMARY VENT VALVE MLS.
_____ 2. THE 4" VENT HEADER HANDLES VENTS FROM THE FOLLOWING:
A. The reactor small pressure control valve.
B. The refrigerated vent condenser.
C. The aqueous surge drum.
D. The steam stripper phase separator.
E. Vessel clearing drops (3).
F. Sample bomb purges.
QL 004056
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CONF.I DENTiAI..:
subjeet to I'lcteotive Order
ot I'jtn Judicial District Court No. 91-11*5
WRITTEN BY: ESN
DATE:10/17/89
APPROVED BY: DATE:
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CHECK ACTION STEPS (Capital letters) and Comments (Small letters)
1. THE CONDENSED CRUDE OUTLET TEMPERATURE - 40 (F).
A. TE-9629
2. BRINE INLET - 34 (F).
A. TE-9649
3. BRINE OUTLET - 40 (F).
A. TE-9630
4. CONDENSER PRESSURE -
PRESSURE).
1-3 PSIG (DEPENDING ON VENT HEADER
5. THE REFRIGERATED VENT CONDENSER HANDLES ..VENTS FROM THE
FOLLOWING':
A. The flasher.
B. The intermediate crude EDC drum.
C. The Chloral treatment phase separator.
D. DH still condenser
6. A BYPASS VALVE IS PROVIDED TO BYPASS THE REFRIGERATED VENT CONDENSER IN CASE OF PRESSURE INCREASE DUE TO PLUGGING OR FREEZING.
SL 004057
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