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Questions and Answers
What is the primary function of T-344?
What is the primary function of T-344?
T-344 is used to degas the caustic and route the vapors to the Purge Gas Header.
Where does the spent caustic enter the degassing process?
Where does the spent caustic enter the degassing process?
The spent caustic enters through the side of T-344.
What are the two liquid phases separated in D-344?
What are the two liquid phases separated in D-344?
D-344 separates the spent caustic stream and a skimmed hydrocarbon stream.
What type of pump is P-344 and what is its primary role?
What type of pump is P-344 and what is its primary role?
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Describe the purpose of E-344A/B.
Describe the purpose of E-344A/B.
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What is the function of P-345A/B pumps?
What is the function of P-345A/B pumps?
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How are P-346 pumps different from P-345A/B?
How are P-346 pumps different from P-345A/B?
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What is the primary outcome after the spent caustic leaves D-344?
What is the primary outcome after the spent caustic leaves D-344?
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What specifications define D-344?
What specifications define D-344?
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What is the RPM of the motor driving P-344?
What is the RPM of the motor driving P-344?
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Study Notes
T-344 (Degassing Tower)
- T-344 is designed to degas caustic solutions, featuring dimensions of 1'18" in diameter and 12' in length.
- Spent caustic enters from the side, while the purge gas is expelled from the top.
- The degassed spent caustic exits from the bottom directly into D-344, the Spent Caustic Settling Drum.
D-344 (Spent Caustic Settling Drum)
- D-344 separates two liquid phases into a spent caustic stream and a skimmed hydrocarbon stream.
- It has dimensions of 6' in diameter and 24' in length.
P-344 (Spent Caustic Transfer Pump)
- P-344 transfers spent caustic from D-344 to Unit 1971 TK-60.
- It is a centrifugal pump powered by a 1.5 HP induction electric motor operating at 3550 RPM.
E-344A/B (Spent Caustic Coolers)
- E-344A/B are hairpin heat exchangers designed to cool spent caustic streams.
- Cooling takes place on the tube side, using cooling water on the shell side.
P-345A/B (Hydrocarbon Recovery Pumps)
- P-345A/B pump skimmed hydrocarbons from D-344 to D-340, the Caustic Wash Settler.
- These are centrifugal pumps driven by a 3 HP induction electric motor running at 1725 RPM.
P-346 (Hi Volume Hydrocarbon Recovery Pump)
- P-346 handles high-volume skimmed hydrocarbons from D-344 to D-340.
- It operates as a centrifugal pump powered by a 30 HP induction motor at 3550 RPM.
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Description
This quiz covers the equipment used in processing spent caustic solutions, including T-344, D-344, and P-344 among others. It details how each component functions and their physical specifications. Understand the interconnectivity of these systems to ensure efficient operation.
