I have a question regarding the calculation of the space velocity in a hydrocracking reactor.
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Regarding the calculation of the cracking space velocity, I have two questions: 1. Space velocity is the ratio of the fresh feed volume to the catalyst volume; the hydrogen flow rate also affects the residence time of the fresh feed in the reactor. Why isn’t the hydrogen flow rate into the reactor taken into account as well? 2. When calculating the space velocity, should the refined reactor and the cracking reactor be calculated separately or together?
The amount of hydrogen does not affect the residence time of the fresh feed in the reactor. These are two different concepts.