After a large amount of water in the molecular sieve, it must be regenerated for several cycles to remove the water in the molecular sieve, and has an adsorption function.
The usual practice is to close the main valve of the tower, but switch the adsorption between the two molecular sieves, and regenerate the molecular sieve into the water by using the air after the molecular sieve without water, but when the molecular sieve of the influent water is turned into the running, behind it The moisture enters the molecular sieve that is not in the water. Thus, the two molecular sieves all have water and then regenerate each other. With the adsorption regeneration, the water content is reduced, and at the same time, the adsorption conditions are simultaneously provided.
But I saw an article in the magazine about their example. After the molecular sieve was flooded into the water, it was regenerated by the above method, but the two molecular sieves all had a lot of water, and both of them regenerated, and finally they lost the adsorption. The reason is: after the molecular sieve enters a large amount of water, the water and the molecular sieve act, and the water changes from the free water to the crystal water of the molecular sieve. Even if the regeneration temperature is 200 degrees, the crystal water cannot be removed, and the manufacturer must be returned to the furnace at 400 degrees to recover the molecular sieve. Adsorption function.