Selective removing method of carbon monoxide and hydrogen refining method
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
C01B-031/18
C01B-003/02
출원번호
US-0588775
(2000-06-07)
우선권정보
JP-0160613 (1999-06-08); JP-0024199 (2000-02-01)
발명자
/ 주소
Shigeru Nojima JP
Toshinobu Yasutake JP
출원인 / 주소
Mitsubishi Heavy Industries JP
대리인 / 주소
Oblon, Spivak, McClelland, Maier & Neustadt, P.C.
인용정보
피인용 횟수 :
1인용 특허 :
2
초록▼
Disclosed is a selective carbon monoxide oxidizing catalyst capable of selectively oxidizing CO contained in a gaseous mixture containing H2, CO and an oxidizing agent of O2, comprising a carrier and an active metal consisting of at least one kind of metal selected from the group consisting of Pt, P
Disclosed is a selective carbon monoxide oxidizing catalyst capable of selectively oxidizing CO contained in a gaseous mixture containing H2, CO and an oxidizing agent of O2, comprising a carrier and an active metal consisting of at least one kind of metal selected from the group consisting of Pt, Pd, Ru, Rh and Ir and supported on the carrier, the carrier being a crystalline silicate having the highest to the fifth highest peaks in the powder X-ray diffraction using CuK.alpha. ray in the lattice spacing of 3.65.+-.0.1 .ANG., 3.75.+-.0.1 .ANG., 3.85.+-.0.1 .ANG., 10.0.+-.0.3 .ANG., and 11.2.+-.0.3 .ANG., and having the composition represented by formula (1) under a dehydrated state:(1.+-.0.8)R2O.[aM2O3.bNO.cAl2O3].ySiO2 (1)where R denotes at least one element selected from the group consisting of an alkali metal and H, M denotes at least one element selected from the group consisting of VIII group elements, rare earth elements, Ti, V, Cr, Nb, Sb and Ga, N denotes at least one element selected from the group consisting of Mg, Ca, Sr, and Ba, and the molar ratios a, b, c and y are: 0.ltoreq.a, 0.ltoreq.b.ltoreq.20, a+c=1, and 11.ltoreq.y.ltoreq.3000.
대표청구항▼
1. A method for selectively removing carbon monoxide, comprising: bringing a gaseous mixture containing H2, CO and an oxidizing agent of O2 into contact with a selective oxidizing catalyst of carbon monoxide for selectively oxidizing and removing CO from said gaseous mixture, said selective oxidizin
1. A method for selectively removing carbon monoxide, comprising: bringing a gaseous mixture containing H2, CO and an oxidizing agent of O2 into contact with a selective oxidizing catalyst of carbon monoxide for selectively oxidizing and removing CO from said gaseous mixture, said selective oxidizing catalyst of carbon monoxide comprising a carrier and an active metal comprising at least one kind of metal selected from the group consisting of Pt, Pd, Ru, Rh and Ir and supported on said carrier, said carrier comprising a crystalline silicate having the highest to the fifth highest peaks in the powder X-ray diffraction using CuK.alpha. X-ray in the lattice spacing of 3.65.+-.0.1 .ANG., 3.75.+-.0.1 .ANG., 3.85.+-.0.1 .ANG., 10.0.+-.0.3 .ANG., and 11.2.+-.0.3 .ANG.and said crystalline silicate having the composition represented by formula (1) under a dehydrated state:(1.+-.0.8)R2O.[aM2O3.bNO.cAl2O3].ySiO2 (1) where R denotes at least one element selected from the group consisting of an alkali metal and H, M denotes at least one element selected from the group consisting of VIII group elements, rare earth elements, Ti, V, Cr, Nb, Sb and Ga, N denotes at least one element selected from the group consisting of Mg, Ca, Sr, and Ba, and the molar ratios a, b, c and y are: 0.ltoreq.a, 0.ltoreq.b.ltoreq.20, a+c=1, and 11.ltoreq.y.ltoreq.3000.
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