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Questions and Answers
What is the primary purpose of coking in the refinery operation?
What is the primary purpose of coking in the refinery operation?
- Recycling high carbon coal material
- Upgrading low-valued bottoms into higher-value petroleum coke (correct)
- Converting petroleum residues into lighter products
- Producing heavy distillate fraction for immediate use
What distinguishes delayed coking from fluid coking?
What distinguishes delayed coking from fluid coking?
- Fluid coking is a more commonly used process in refinery operations
- Fluid coking is a continuous process, while delayed coking is a semi-continuous one
- Delayed coking occurs in coke drums, while fluid coking utilizes a fluid bed (correct)
- Delayed coking uses higher temperatures compared to fluid coking
What is the temperature range used in the coking process?
What is the temperature range used in the coking process?
- 700 to 800°C
- 200 to 400°C
- 300 to 600°C
- 500 to 650°C (correct)
What are the basic forms of coking operation mentioned in the text?
What are the basic forms of coking operation mentioned in the text?
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What are the main reactions involved in the cracking/carbonization process during coking?
What are the main reactions involved in the cracking/carbonization process during coking?
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