B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
B01J 21/06 (2006.01) B01D 53/56 (2006.01) B01D 53/86 (2006.01) B01J 35/04 (2006.01)
Patent
CA 2261218
A honeycomb catalyst for effecting catalytic reduction and removal of nitrogen oxides in waste gas in the presence of ammonia, which honeycomb catalyst (I) contains a catalytically active substance comprising 60 to 99.5% by weight of a binary oxide containing titanium and silicon and 40 to 0.5% by weight of the oxide of at least one metal selected from the group consisting of vanadium, tungsten, molybdenum, copper, manganese, cerium, and tin, (II) possesses pores comprising substantially two independent pore groups each of a uniform pore diameter, such that the pore volume occupied by one pore group having a pore diameter in the range of 0.01 to 0.03 µm accounts for a proportion in the range of 50 to 80% of the total pore volume and the pore volume occupied by the other pore group having a pore diameter in the range of 0.8 to 4 µm accounts for a proportion in the range of 10 to 30% of the total pore volume, wherein the binary oxides containing titanium and silicon comprises 40 to 95 atomic % of titanium and 60 to 5 atoms % of silicon.
Inoue Akira
Kinoshita Futoru
Kobayashi Motonobu
Nanba Yoku
Nippon Shokubai Kagaku Kogyo Co. Ltd.
Sim & Mcburney
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