Patent ID: 6960236

Claim:
A clean room, comprising: a clean room main body; and a cleaned air feeding apparatus for cleaning air of gaseous chemical substances to a cleanliness class of 1000 or lower and feeding the cleaned air to said clean room main body, said cleaned air feeding apparatus comprising: an adsorbing member to adsorb and desorb the gaseous chemical substances, said adsorbing member comprising a blend of weak hydrophobic zeolite and strong hydrophobic zeolite which are blended at a predetermined ratio; an adsorbing part operable to adsorb the gaseous chemical substances from air being cleaned with said adsorbing member; and a regenerating part operable to desorb the gaseous chemical substance from said adsorbing member using heated air; wherein said adsorbing part and said regenerating parts are structured and arranged with respect to said adsorbing member such that the cleaned air that is fed to said clean room main body by said cleaned air feeding apparatus has been cleaned of the gaseous chemical substances by removing the gaseous chemical substances in said adsorption part.