Podcast
Questions and Answers
What is the purpose of the coil heater in the Tervahl T process?
What is the purpose of the coil heater in the Tervahl T process?
- To heat the feedstock to the desired temperature (correct)
- To separate the products into desired streams
- To convert the feedstock into synthetic crude
- To cool down the gas produced from the process
What is the primary role of the soaking drum in both the Tervahl T and Tervahl H processes?
What is the primary role of the soaking drum in both the Tervahl T and Tervahl H processes?
- To hold the heated feedstock for a specified residence time (correct)
- To produce synthetic crude
- To separate the liquids from the hot separator
- To generate fuel gas
What happens to the gas and oil mixture from the soaking drum effluent in the Tervahl H process?
What happens to the gas and oil mixture from the soaking drum effluent in the Tervahl H process?
- Mixed with recycle hydrogen and separated in a hot separator (correct)
- Converted into synthetic crude directly
- Heated using a coil heater
- Passed through a stabilizer section
In the Tervahl H process, what happens to the liquids from the hot and cold separator?
In the Tervahl H process, what happens to the liquids from the hot and cold separator?
What is done to the gas produced from the Tervahl T process?
What is done to the gas produced from the Tervahl T process?
What temperature range characterizes vapor-phase cracking?
What temperature range characterizes vapor-phase cracking?
What is the purpose of the distillate heater in the thermal distillate cracking process?
What is the purpose of the distillate heater in the thermal distillate cracking process?
Where is the heavy gas oil fraction taken from the combi tower typically routed to?
Where is the heavy gas oil fraction taken from the combi tower typically routed to?
What happens to the vacuum-flashed residuum from the vacuum flasher in the thermal distillate cracking process?
What happens to the vacuum-flashed residuum from the vacuum flasher in the thermal distillate cracking process?
What does routing heavy gas oil from both the vacuum flasher and combi tower to the distillate heater achieve in the thermal distillate cracking process?
What does routing heavy gas oil from both the vacuum flasher and combi tower to the distillate heater achieve in the thermal distillate cracking process?
What is a possible alternative use for light gas oil from the combi tower in the thermal distillate cracking process?
What is a possible alternative use for light gas oil from the combi tower in the thermal distillate cracking process?
How does the flexibility of feedstock and product requirements impact the thermal distillate cracking process?
How does the flexibility of feedstock and product requirements impact the thermal distillate cracking process?
What is the main purpose of selective cracking in the context of thermal distillate cracking?
What is the main purpose of selective cracking in the context of thermal distillate cracking?
What role does heavy gas oil play in the Shell thermal distillate cracking process?
What role does heavy gas oil play in the Shell thermal distillate cracking process?
Why does selective process selectively convert stable low-boiling materials?
Why does selective process selectively convert stable low-boiling materials?
What is the primary benefit of converting heavy gas oil to light gas oil in thermal distillate cracking?
What is the primary benefit of converting heavy gas oil to light gas oil in thermal distillate cracking?
How does stable low-boiling material affect efficiency in a thermal distillate cracking system?
How does stable low-boiling material affect efficiency in a thermal distillate cracking system?
What distinguishes Shell thermal distillate cracking from other processes?
What distinguishes Shell thermal distillate cracking from other processes?
