B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
252/18, 183/33
B01J 20/02 (2006.01) B01D 53/02 (2006.01) B01D 53/10 (2006.01) B01D 53/34 (2006.01) B01D 53/46 (2006.01) B01D 53/86 (2006.01) B01J 20/18 (2006.01)
Patent
CA 1315768
21326-109 ABSTRACT OF THE DISCLOSURE Disclosed is an adsorbent for adsorbing and removing an arsenic compound which becomes a catalyst poison in a selective contact reduction process for removing nitrogen oxides (NOx) from a combustion exhaust gas by the use of an ammonia as a reducing agent and a denitrating catalyst. The adsorbent comprises a material in which the total volume of pores is 0.2 to 0.7 cc/g and the volume of the pores having a pore diameter of 300 A or more is 10% or more with respect to the total pore volume. Also disclosed is a method for removing the arsenic compound from the combustion exhaust gas by injecting the adsorbent into a flow of the gas on an upstream side of the denitrating catalyst.
565463
Fukuda Morio
Hanada Masayuki
Iida Kozo
Imanari Makoto
Kobayashi Norihisa
Catalysts & Chemicals Industries Co. Ltd.
Fetherstonhaugh & Co.
Mitsubishi Jukogyo Kabushiki Kaisha
Mitsubishi Petrochemical Co. Ltd.
Mitsubishi Petrochemical Engineering Co. Ltd.
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