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公开(公告)号:US20160367939A1
公开(公告)日:2016-12-22
申请号:US15252376
申请日:2016-08-31
Applicant: JOHNSON MATTHEY PUBLIC LIMITED COMPANY
Inventor: JOSEPH MICHAEL FEDEYKO , RODNEY KOK SHIN FOO , PAUL JOSEPH ANDERSEN , JILLIAN ELAINE COLLIER , JOHN LEONELLO CASCI , HAI-YING CHEN , RAJ RAO RAJARAM
CPC classification number: B01D53/9418 , B01D53/565 , B01D53/8628 , B01D53/9431 , B01D53/945 , B01D2251/2062 , B01D2251/2067 , B01D2255/2065 , B01D2255/20738 , B01D2255/20761 , B01D2255/2092 , B01D2255/30 , B01D2255/50 , B01D2255/502 , B01D2255/504 , B01J29/005 , B01J29/061 , B01J29/064 , B01J29/072 , B01J29/076 , B01J29/46 , B01J29/56 , B01J29/72 , B01J29/76 , B01J29/7615 , B01J29/763 , B01J29/80 , B01J29/83 , B01J29/85 , B01J29/87 , B01J35/04 , B01J2029/062 , B01J2229/18 , B01J2229/183 , B01J2229/36 , C01B39/38 , C01B39/46 , C01B39/54 , Y02A50/2324 , Y02A50/2325 , Y02C20/10 , Y02T10/22 , Y02T10/24
Abstract: A method of converting nitrogen oxides in a gas to nitrogen by contacting the nitrogen oxides with a nitrogenous reducing agent in the presence of a zeolite catalyst containing at least one transition metal, wherein the zeolite is a small pore zeolite containing a maximum ring size of eight tetrahedral atoms, wherein the at least one transition metal is selected from the group consisting of Cr, Mn, Fe, Co, Ce, Ni, Cu, Zn, Ga, Mo, Ru, Rh, Pd, Ag, In, Sn, Re, Ir and Pt.
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公开(公告)号:US20180272279A1
公开(公告)日:2018-09-27
申请号:US15991565
申请日:2018-05-29
Applicant: JOHNSON MATTHEY PUBLIC LIMITED COMPANY
Inventor: JOSEPH MICHAEL FEDEYKO , RODNEY KOK SHIN FOO , PAUL JOSEPH ANDERSEN , JILLIAN ELAINE COLLIER , JOHN LEONELLO CASCI , HAI-YING CHEN , RAJ RAO RAJARAM
IPC: B01D53/94 , B01J29/06 , B01J29/00 , B01J29/076 , B01D53/86
CPC classification number: B01D53/9418 , B01D53/565 , B01D53/8628 , B01D53/9431 , B01D53/945 , B01D2251/2062 , B01D2251/2067 , B01D2255/2065 , B01D2255/20738 , B01D2255/20761 , B01D2255/2092 , B01D2255/30 , B01D2255/50 , B01D2255/502 , B01D2255/504 , B01J29/005 , B01J29/061 , B01J29/064 , B01J29/072 , B01J29/076 , B01J29/46 , B01J29/56 , B01J29/72 , B01J29/76 , B01J29/7615 , B01J29/763 , B01J29/80 , B01J29/83 , B01J29/85 , B01J29/87 , B01J35/04 , B01J2029/062 , B01J2229/18 , B01J2229/183 , B01J2229/36 , C01B39/38 , C01B39/46 , C01B39/54 , Y02A50/2324 , Y02A50/2325 , Y02C20/10 , Y02T10/22 , Y02T10/24
Abstract: A method of converting nitrogen oxides in a gas to nitrogen by contacting the nitrogen oxides with a nitrogenous reducing agent in the presence of a zeolite catalyst containing at least one transition metal, wherein the zeolite is a small pore zeolite containing a maximum ring size of eight tetrahedral atoms, wherein the at least one transition metal is selected from the group consisting of Cr, Mn, Fe, Co, Ce, Ni, Cu, Zn, Ga, Mo, Ru, Rh, Pd, Ag, In, Sn, Re, Ir and Pt.