Preparation method of honeycomb type low-temperature SCR catalyst and SCR catalyst

The invention discloses a preparation method of a honeycomb type low-temperature SCR catalyst and the SCR catalyst. The preparation method comprises the following steps: material preparing and mixing:wherein adding titanium dioxide, manganous nitrate and neodymium nitrate into a mixing mill, uniformly stirring, adding water in the stirring process, and uniformly stirring; preparing a plastic mudpie: wherein sequentially adding auxiliaries, adding water while stirring, and uniformly stirring; aging, wherein carrying out aging for 12-24 hours; catalyst forming: wherein feeding an obtained agedcatalyst precursor into an extruder to be extruded into a honeycomb catalyst blank; and drying and calcining the obtained catalyst blank to obtain the honeycomb type low-temperature SCR catalyst. TheSCR denitration catalyst disclosed by the invention has an effect of being used in an ultralow-temperature environment, and in addition, the SCR denitration catalyst disclosed by the invention has good water resistance and sulf