Patent ID: 8673250
Filing Date: 2014-03-18
Classification: B01D,B01J

Abstract:
1. An exhaust gas purification catalyst having a composition comprising: titanium oxide (TiO aluminum sulfate (Al an oxide of vanadium (V); and an oxide of molybdenum (Mo) and/or tungsten (W), wherein on titanium oxide having sulfate ions and aluminum ions adsorbed thereon obtained by making contact with aluminum sulfate at more than 1 wt % and not more than 6 wt % relative to titanium oxide in the presence of water, an oxo acid salt of vanadium or a vanadyl salt and an oxo acid or an oxo acid salt of molybdenum and/or tungsten are supported in a proportion of more than 0 atom % and not more than 3 atom %, respectively.