| abstract |
(57) [Abstract] [Objective] The present invention relates to a catalyst fiber useful as a constituent material of a catalyst filter used in an exhaust gas treatment apparatus. [Structure] A catalyst fiber comprising a fiber containing anatase-type titanium oxide and vanadium oxide, preferably having a titanium oxide content of 20 to 95 wt% and a vanadium oxide content of 1 to 5 wt%, and crystallizing anatase. It is a preferable embodiment that the rate is 10% or more. |