Purification Technology Q&A Version [013]
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What is the purpose of raising the temperature through nitrogen circulation? Answer: The purpose of heating nitrogen is to preheat the catalyst beds in the first and second conversion reactors as well as in the upper and lower shift reactors from room temperature to a certain level, so that when water vapor is introduced later, condensation water is not generated to the extent that it could damage the catalysts.
This post was last edited by sqlzl on 2017-7-22 07:18. Recycling helps save resources; the catalyst is heated to a high temperature for sulfidation
The purpose of heating with nitrogen is to preheat the catalyst beds in the first and second conversion reactors as well as in the upper and lower shift reactors from room temperature to a certain level, so that the introduction of water vapor in the following step does not result in condensation water that could damage the catalysts.
Heat the catalyst bed temperature above the water vapor dew point
The main purpose of heating the nitrogen cycle is to raise the temperature of the conversion and medium-shift catalysts to their activation temperature, in preparation for steam and hydrogen reduction of the catalysts.
Purpose: The low-temperature nitrogen gas heating reduction method is intended to use the oxidized catalyst provided by the product manufacturer.
Using nitrogen as a carrier, the catalyst is subjected to elevated-temperature sulfidation to improve its activity, facilitating the introduction of gas into the system for operation.
The purpose of heating with nitrogen is to preheat the catalyst beds in the first and second conversion reactors as well as in the upper and lower shift reactors from room temperature to a certain level, so that when water vapor is introduced later, condensation water will not be generated to the extent that it could damage the catalysts
The purpose of heating with nitrogen is to preheat the catalyst beds in the first and second conversion reactors as well as in the upper and lower shift reactors from room temperature to a certain level, so that when steam is introduced next, condensation water is not generated to the extent that it could damage the catalysts.