Patent ID: 11964080
Assignee: AIRLICH IP APS
Field: Chemical engineering (Chemistry)
Classification: CPC A  B | IPC A  B

Claim 0:
1. An air treatment system arranged for treating polluted air (Apol) at least by means of an air particle filter, said system comprises at least one duct and a fan for directing air though the air treatment system and expelling it after treatment, wherein said air treatment system comprises an air treatment unit comprising at least one UV-lamp, said air treatment unit being placed upstream of the air particle filter and being arranged for directing a sub-flow (Asub) of the polluted air (Apol) through said air treatment unit and for subjecting only said sub-flow to photooxidation, and wherein the system is arranged such that the sub-flow, after being subjected to photooxidation in the air treatment unit, is combined with the polluted air that bypass the air treatment unit and the combined air-flow is then passed over the air particle filter that is placed after the air treatment unit seen in the flow direction.