Chemistry · Catalysis
What is the primary function of rhenium when added as a promoter to a platinum-based catalyst in naphtha catalytic reforming?
- 1It acts as a permanent sulfur scavenger to irreversibly bind poisons
- 2It increases the Lewis acidity of the alumina support
- 3It promotes undesirable hydrocracking reactions for higher gas yield
- 4It enhances dehydrocyclization stability and reduces coke deactivation rate✓
Correct answer
It enhances dehydrocyclization stability and reduces coke deactivation rate
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