The present invention relates to a low-temperature denitration catalyst for nitrogen oxide removal comprising a porous TiO 2 catalyst support having a hierarchical structure and a method for manufacturing the same, and more particularly, to a porous TiO 2 catalyst support having a hierarchical structure and nitrogen containing a metal precursor It relates to a low-temperature denitration catalyst for oxide removal, a method for preparing the same, and a method for preparing a porous TiO 2 catalyst support having a hierarchical structure. The present invention provides a low-temperature denitration catalyst for nitrogen oxide removal comprising a porous TiO 2 catalyst support and a metal precursor, a method for producing the same, and a method for producing a hierarchical porous TiO 2 catalyst support, in various industrial facilities, automobiles, ships, etc. It can effectively remove nitrogen oxides from exhaust gases compared to conventional denitrification catalysts, and in particular, the catalyst has excellent nitrogen oxide removal efficiency even in a temperature range of 80 to 220°C, and heats exhaust gas having a temperature range of 150 to 220°C. There is an effect that can be processed immediately without any process.
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