During regeneration, the C:H ratios in coke do not change significantly versus the coke contents. It seems that the burning rate of hydrogen in coke is not faster than that of carbon during regeneration.

• 在不同的再生反应深度下,焦碳的C/H比无明显变化,在再生过程中焦碳中的氢的燃烧速率并不比碳的燃烧速率快。