Patent ID: 8157892
Filing Date: 2012-04-17
Classification: B01D,F24F,Y02C

Abstract:
1. A system for circulating air in an enclosed environment, comprising: an inlet configured to receive air from outside of the enclosed environment; an air handling unit coupled to the inlet to receive the outside air through the inlet and configured to receive a circulated air from the enclosed environment; the air handling unit is configured to affect a temperature of at least one of the received outside air and the received circulated air; based on the received outside air and the received circulated air, the air handling unit is further configured to generate air for supplying to the enclosed environment; an air circulation system configured to circulate the generated air from the air handling unit to the enclosed environment and back to the air handling unit; a scrubbing system coupled to at least one of the air handling unit and the air circulation system and configured to reduce presence of at least one substance in the air supplied to the enclosed environment, wherein the scrubbing system includes at least one adsorbent, and wherein a concentration of the at least one substance is reduced by adsorption of the at least one substance onto the adsorbent.