| The one of tower dries the air by adsorbing the moisture in air and supplies the dry air the other tower depressurizes to low pressure and about 10% of dry air regenerates the tower picking all moisture and venting to atmosphere. |
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| While there is cycle of adsorption in one tower for adsorption, the cycle in other tower is depressurizing, regeneration and pressurising to get ready for swing operation. |
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| The con of this type of regeneration is loss of about 10% of compressed air |
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| Air Drying Plants as per Regeneration |
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