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How should the catalytic unit be operated to minimize the generation of carbon monoxide? Simply increasing the main air flow will cause overheating in the dilute phase
1. Add a CO oxidizer. 2. Raise the ignition temperature of the coking tank. 3. Increase the residence time of the catalyst in the coking tank as well as the constant time associated with this process. 4. Increase the regeneration pressure appropriately, provided that it is within the limits allowed by the reverse regeneration operation and the conditions of the main fan.
Hello, teacher. The situation is as follows: due to limitations imposed by the main fan, the pressure in the regenerator can only be raised to 220. Currently, the temperature in the dense phase is around 660, while it’s above 700 in the dilute phase, with the highest value reaching 750
The dense-phase ignition temperature of the burned tank is too low
Increase the ignition temperature of the coked dense phase to around 680 degrees
660 is indeed too low; it’s better to keep it above 680 degrees
Let’s stop using that location – the 750 equipment can’t handle it. If that doesn’t work, we’ll use dense-phase combustion at 650; it still depends on your response and the need for specific parameter adjustments
The ignition temperature of the charred dense phase is increased to above 680 degrees.
Add CO as an oxidizer in the regenerator.
1. Peroxide. 2. Use carbon monoxide as a combustion accelerator.
1. Peroxide. 2. Use carbon monoxide as a combustion accelerator.