Knowledge on catalytic cracking series

When starting up, it’s necessary to prepare a balancing agent; in addition, a CO combustion accelerator should also be ready. After startup, fresh agents should be used for filling, and the amount of catalyst should be adjusted according to its activity

Where are these new installations from, and what is their scale?

What is the function of a balancing agent? Thank you

A balance agent is used for catalysts whose activity has decreased after being used with fresh catalysts for a period of time. Using only fresh catalysts throughout the operation is costly; moreover, their high activity leads to intense reactions, making it difficult to control the process

The client wants to know who designed the catalyst, what type of catalyst is needed, and what should be the distribution of the desired products. All of the above should already have been determined in the basic design of your device; you can take a look.

Do you have 5 years of experience as a catalytic cracking shift leader? qq2865046835

A balanced catalyst is chosen at startup for three reasons: first, when the catalyst has not yet sealed the material leg at startup, significant catalyst loss occurs, and using fresh catalyst would be uneconomical; second, a balanced catalyst has lower activity, which makes it easier to control the reaction; third, fresh catalysts have a larger specific surface area, and using only balanced catalysts could lead to abnormal fluidization. Fourth, burn fuel oil at startup; using a freshening agent will cause the catalyst to crack and break, resulting in waste due to catalyst loss. The specific catalyst model to be used depends on the design requirements. When starting the fuel injection, an appropriate oxidizer must also be added to ensure effective burning, prevent secondary combustion, and avoid equipment damage due to overheating. After returning to normal, fresh catalyst is added to maintain the catalyst’s activity and the relative stability of the reserves in both reactors.