Iron oxide desulfurization
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What causes the high desulfurization resistance of iron oxide?
Could you be more specific? Is there any way to eliminate it?
Gases may contain oil and liquids, which adhere to the adsorbent and undergo carbonization at high temperatures; as more of this accumulates, resistance increases. The solution depends on how long it has been in use – if it’s been used for a short time, keep using it; if it’s been used for a long time, remove it and replace it with a new one
Is there any way to extend its usage time?
Iron oxide will also run out soon; its sulfur capacity is limited
It is likely that the system contains water; try to raise the temperature of the gas entering the tower as much as possible, but not above 40 degrees. Alternatively, adding some air can increase the activity of iron oxide, and the resulting temperature can drive away the water adsorbed by iron oxide. The resistance decreases.