What are your insights on the long production cycle of residue hydrogenation?

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1. What are the criteria for determining the grading filling scheme of catalysts? 2. Currently, the catalyst from that company is the most stable. What are the key areas in the device where leaks are likely to occur? 3. What are the main equipment issues? 4. How many operators are generally required, and what are the main daily tasks? What is the difficulty? 5. Is there simulation software for training? 6. Residue hydrogenation is a core device in the catalytic feedstock pretreatment-catalytic cracking process in refineries. If a single-series reactor is used, there are many production adjustments required; a long operational cycle for the plant is extremely important for us. We should seek advice from experts to determine which equipment selections are most crucial during the design phase, especially those seemingly minor components such as valves, thermocouples, and pipe fittings