公开(公告)号：US08667785B2

公开(公告)日：2014-03-11

申请号：US13711120

申请日：2012-12-11

Applicant: Johnson Matthey Public Limited Company

Inventor： Philip Gerald Blakeman ,  Gavin Michael Brown ,  Sougato Chatterjee ,  Andrew Francis Chiffey ,  Jane Gast ,  Paul Richard Phillips ,  Raj Rao Rajaram ,  Glen Spreitzer ,  Andrew Peter Walker

IPC: B01D53/94 ,  B01J23/40 ,  F01N3/24 ,  F01N3/28

CPC classification number: B01J23/44 ,  B01D53/9418 ,  B01D53/944 ,  B01D53/9472 ,  B01D53/9477 ,  B01D53/9481 ,  B01D2255/1021 ,  B01D2255/1023 ,  B01D2255/104 ,  B01D2255/106 ,  B01D2255/2065 ,  B01D2255/20707 ,  B01D2255/20715 ,  B01D2255/2092 ,  B01D2255/30 ,  B01D2255/407 ,  B01D2255/9022 ,  B01D2255/904 ,  B01D2255/9155 ,  B01D2258/012 ,  B01J21/04 ,  B01J23/40 ,  B01J23/42 ,  B01J23/63 ,  B01J29/7615 ,  B01J29/763 ,  B01J33/00 ,  B01J35/0006 ,  B01J35/04 ,  B01J37/0244 ,  B01J37/0246 ,  B01J37/038 ,  B01J2229/186 ,  B01J2229/42 ,  F01N3/035 ,  F01N3/2066 ,  F01N3/208 ,  F01N2510/0682 ,  Y02A50/2325 ,  Y02T10/24

Abstract: A catalysed substrate monolith 12 for use in treating exhaust gas emitted from a lean-burn internal combustion engine, which catalysed substrate monolith 12 comprising a first washcoat coating 16 and a second washcoat coating 18, wherein the first washcoat coating comprises a catalyst composition comprising at least one platinum group metal (PGM) and at least one support material for the at least one PGM, wherein at least one PGM in the first washcoat coating is liable to volatilize when the first washcoat coating is exposed to relatively extreme conditions including relatively high temperatures, wherein the second washcoat coating comprises at least one metal oxide for trapping volatilized PGM and wherein the second washcoat coating is oriented to contact exhaust gas that has contacted the first washcoat coating.

Abstract translation: 一种用于处理从稀燃内燃机排出的废气的催化底物整料12，催化底物整料12包括第一修补基面涂层16和第二修补基面涂层18，其中第一修补基面涂层包含催化剂组合物， 至少一种铂族金属（PGM）和用于至少一种PGM的至少一种载体材料，其中当第一修补基面涂层涂层暴露于包括较高温度的相对极端条件下时，第一修补基面涂层涂层中的至少一个PGM易挥发 其中所述第二修补基面涂层涂层包含用于捕获挥发的PGM的至少一种金属氧化物，并且其中所述第二修补基面涂层涂层被定向成接触已经接触到所述第一修补基面涂层涂层的废气。

公开(公告)号：US10207254B2

公开(公告)日：2019-02-19

申请号：US15447294

申请日：2017-03-02

Applicant: Johnson Matthey Public Limited Company

Inventor： Philip Gerald Blakeman ,  Gavin Michael Brown ,  Sougato Chatterjee ,  Andrew Francis Chiffey ,  Jane Gast ,  Paul Richard Phillips ,  Raj Rao Rajaram ,  Glen Spreitzer ,  Andrew Peter Walker

IPC: B01J23/44 ,  B01D53/94 ,  B01J21/04 ,  B01J23/40 ,  B01J23/42 ,  B01J23/63 ,  B01J29/76 ,  B01J33/00 ,  B01J35/00 ,  B01J35/04 ,  B01J37/02 ,  B01J37/03 ,  F01N3/035 ,  F01N3/20

Abstract: A catalyzed substrate monolith 12 for use in treating exhaust gas emitted from a lean-burn internal combustion engine, which catalyzed substrate monolith 12 comprising a first washcoat coating 16 and a second washcoat coating 18, wherein the first washcoat coating comprises a catalyst composition comprising at least one platinum group metal (PGM) and at least one support material for the at least one PGM, wherein at least one PGM in the first washcoat coating is liable to volatilize when the first washcoat coating is exposed to relatively extreme conditions including relatively high temperatures, wherein the second washcoat coating comprises at least one metal oxide for trapping volatilized PGM and wherein the second washcoat coating is oriented to contact exhaust gas that has contacted the first washcoat coating.

公开(公告)号：US10688475B2

公开(公告)日：2020-06-23

申请号：US16268624

申请日：2019-02-06

Applicant: Johnson Matthey Public Limited Company

Inventor： Philip Gerald Blakeman ,  Gavin Michael Brown ,  Sougato Chatterjee ,  Andrew Francis Chiffey ,  Jane Gast ,  Paul Richard Phillips ,  Raj Rao Rajaram ,  Glen Spreitzer ,  Andrew Peter Walker

IPC: B01J23/44 ,  B01J29/76 ,  B01J23/63 ,  B01J35/00 ,  B01D53/94 ,  B01J35/04 ,  F01N3/20 ,  B01J21/04 ,  F01N3/035 ,  B01J23/42 ,  B01J37/02 ,  B01J37/03 ,  B01J23/40 ,  B01J33/00

Abstract: A catalysed substrate monolith 12 for use in treating exhaust gas emitted from a lean-burn internal combustion engine, which catalysed substrate monolith 12 comprising a first washcoat coating 16 and a second washcoat coating 18, wherein the first washcoat coating comprises a catalyst composition comprising at least one platinum group metal (PGM) and at least one support material for the at least one PGM, wherein at least one PGM in the first washcoat coating is liable to volatilise when the first washcoat coating is exposed to relatively extreme conditions including relatively high temperatures, wherein the second washcoat coating comprises at least one metal oxide for trapping volatilised PGM and wherein the second washcoat coating is oriented to contact exhaust gas that has contacted the first washcoat coating.

公开(公告)号：US09046022B2

公开(公告)日：2015-06-02

申请号：US14199247

申请日：2014-03-06

Applicant: Johnson Matthey Public Limited Company

Inventor： Philip Gerald Blakeman ,  Gavin Michael Brown ,  Sougato Chatterjee ,  Andrew Francis Chiffey ,  Jane Gast ,  Paul Richard Phillips ,  Raj Rao Rajaram ,  Glen Spreitzer ,  Andrew Peter Walker

IPC: B01D46/00 ,  B01D53/94 ,  F01N3/035 ,  F01N3/28 ,  F01N3/20 ,  B01J23/42 ,  B01J23/44 ,  B01J35/00 ,  B01J37/02 ,  B01J37/03 ,  B01J23/40 ,  B01J23/63 ,  B01J29/76 ,  B01J35/04

CPC classification number: B01J23/44 ,  B01D53/9418 ,  B01D53/944 ,  B01D53/9472 ,  B01D53/9477 ,  B01D53/9481 ,  B01D2255/1021 ,  B01D2255/1023 ,  B01D2255/104 ,  B01D2255/106 ,  B01D2255/2065 ,  B01D2255/20707 ,  B01D2255/20715 ,  B01D2255/2092 ,  B01D2255/30 ,  B01D2255/407 ,  B01D2255/9022 ,  B01D2255/904 ,  B01D2255/9155 ,  B01D2258/012 ,  B01J21/04 ,  B01J23/40 ,  B01J23/42 ,  B01J23/63 ,  B01J29/7615 ,  B01J29/763 ,  B01J33/00 ,  B01J35/0006 ,  B01J35/04 ,  B01J37/0244 ,  B01J37/0246 ,  B01J37/038 ,  B01J2229/186 ,  B01J2229/42 ,  F01N3/035 ,  F01N3/2066 ,  F01N3/208 ,  F01N2510/0682 ,  Y02A50/2325 ,  Y02T10/24

Abstract: A catalysed substrate monolith 12 for use in treating exhaust gas emitted from a lean-burn internal combustion engine, which catalysed substrate monolith 12 comprising a first washcoat coating 16 and a second washcoat coating 18, wherein the first washcoat coating comprises a catalyst composition comprising at least one platinum group metal (PGM) and at least one support material for the at least one PGM, wherein at least one PGM in the first washcoat coating is liable to volatilise when the first washcoat coating is exposed to relatively extreme conditions including relatively high temperatures, wherein the second washcoat coating comprises at least one metal oxide for trapping volatilised PGM and wherein the second washcoat coating is oriented to contact exhaust gas that has contacted the first washcoat coating.

Abstract translation: 一种用于处理从稀燃内燃机排出的废气的催化底物整料12，催化底物整料12包括第一修补基面涂层16和第二修补基面涂层18，其中第一修补基面涂层包含催化剂组合物， 至少一种铂族金属（PGM）和用于至少一种PGM的至少一种载体材料，其中当第一修补基面涂层涂层暴露于相对极端的条件（包括相对高的温度）时，第一修补基面涂层涂层中的至少一个PGM容易挥发 其中所述第二修补基面涂层涂层包含至少一种用于捕获挥发的PGM的金属氧化物，并且其中所述第二修补基面涂层涂层被定向成接触与所述第一修补基面涂层涂层接触的废气。

公开(公告)号：US09597661B2

公开(公告)日：2017-03-21

申请号：US14710171

申请日：2015-05-12

Applicant: Johnson Matthey Public Limited Company

Inventor： Philip Gerald Blakeman ,  Gavin Michael Brown ,  Sougato Chatterjee ,  Andrew Francis Chiffey ,  Jane Gast ,  Paul Richard Phillips ,  Raj Rao Rajaram ,  Glen Spreitzer ,  Andrew Peter Walker

IPC: B01D53/94 ,  B01D46/00 ,  F01N3/18 ,  B01J23/44 ,  B01J23/42 ,  B01J35/00 ,  F01N3/20 ,  F01N3/035 ,  B01J37/02 ,  B01J37/03 ,  B01J23/40 ,  B01J23/63 ,  B01J29/76 ,  B01J35/04 ,  B01J21/04 ,  B01J33/00

CPC classification number: B01J23/44 ,  B01D53/9418 ,  B01D53/944 ,  B01D53/9472 ,  B01D53/9477 ,  B01D53/9481 ,  B01D2255/1021 ,  B01D2255/1023 ,  B01D2255/104 ,  B01D2255/106 ,  B01D2255/2065 ,  B01D2255/20707 ,  B01D2255/20715 ,  B01D2255/2092 ,  B01D2255/30 ,  B01D2255/407 ,  B01D2255/9022 ,  B01D2255/904 ,  B01D2255/9155 ,  B01D2258/012 ,  B01J21/04 ,  B01J23/40 ,  B01J23/42 ,  B01J23/63 ,  B01J29/7615 ,  B01J29/763 ,  B01J33/00 ,  B01J35/0006 ,  B01J35/04 ,  B01J37/0244 ,  B01J37/0246 ,  B01J37/038 ,  B01J2229/186 ,  B01J2229/42 ,  F01N3/035 ,  F01N3/2066 ,  F01N3/208 ,  F01N2510/0682 ,  Y02A50/2325 ,  Y02T10/24

Abstract: A catalyzed substrate monolith 12 for use in treating exhaust gas emitted from a lean-burn internal combustion engine, which catalyzed substrate monolith 12 comprising a first washcoat coating 16 and a second washcoat coating 18, wherein the first washcoat coating comprises a catalyst composition comprising at least one platinum group metal (PGM) and at least one support material for the at least one PGM, wherein at least one PGM in the first washcoat coating is liable to volatilize when the first washcoat coating is exposed to relatively extreme conditions including relatively high temperatures, wherein the second washcoat coating comprises at least one metal oxide for trapping volatilized PGM and wherein the second washcoat coating is oriented to contact exhaust gas that has contacted the first washcoat coating.

公开(公告)号：US09259684B2

公开(公告)日：2016-02-16

申请号：US13711138

申请日：2012-12-11

Applicant: JOHNSON MATTHEY PUBLIC LIMITED COMPANY

Inventor： Philip Gerald Blakeman ,  Gavin Michael Brown ,  Andrew Francis Chiffey ,  Jane Gast ,  Paul Richard Phillips ,  Raj Rao Rajaram ,  Glen Spreitzer ,  Andrew Peter Walker

IPC: B01J23/58 ,  B01D53/94 ,  B01J35/00 ,  F01N3/20 ,  F01N3/28 ,  B01J37/02 ,  B01J37/03 ,  B01J23/42 ,  B01J23/44 ,  B01J23/72 ,  B01J29/76 ,  B01J35/04 ,  B01J37/00 ,  F01N13/00 ,  F01N3/035 ,  B01J23/63 ,  B01J23/83 ,  B01J29/85

CPC classification number: B01D53/9418 ,  B01D53/944 ,  B01D53/9472 ,  B01D53/9477 ,  B01D2255/1021 ,  B01D2255/1023 ,  B01D2255/20738 ,  B01D2255/20761 ,  B01D2255/2092 ,  B01D2255/502 ,  B01J23/42 ,  B01J23/44 ,  B01J23/63 ,  B01J23/72 ,  B01J23/83 ,  B01J29/7615 ,  B01J29/763 ,  B01J29/85 ,  B01J35/0006 ,  B01J35/04 ,  B01J37/0036 ,  B01J37/0215 ,  B01J37/0246 ,  B01J37/038 ,  B01J2229/186 ,  F01N3/035 ,  F01N3/2066 ,  F01N3/2803 ,  F01N13/009 ,  F01N2370/00 ,  F01N2510/0682 ,  F01N2610/02 ,  Y02A50/2325 ,  Y02T10/24

Abstract: An exhaust system 20 for an internal combustion engine comprises a) a first catalysed substrate monolith 12 comprising a first washcoat coating disposed in a first washcoat zone 16 of the substrate monolith and a second washcoat coating disposed in a second washcoat zone 18 of the substrate monolith, wherein the first washcoat coating comprises a catalyst composition comprising at least one platinum group metal (PGM) and at least one support material, wherein at least one PGM in the first washcoat coating is liable to volatilise when the first washcoat coating is exposed to relatively extreme conditions including relatively high temperatures, wherein the second washcoat coating comprises at least one material supporting copper for trapping volatilised PGM and wherein the second washcoat coating is oriented to contact exhaust gas that has contacted the first washcoat; and b) a second catalysed substrate monolith 14 comprising a catalyst for selectively catalysing the reduction of oxides of nitrogen to dinitrogen with a nitrogenous reductant disposed downstream from the first catalysed substrate monolith.

Abstract translation: 用于内燃机的排气系统20包括：a）第一催化基材单块12，其包含设置在基材单块的第一修补基面涂层区域16中的第一修补基面涂层涂层和设置在基板单块的第二修补基面涂层区域18中的第二修补基面涂层涂层 ，其中所述第一修补基面涂层涂层包含包含至少一种铂族金属（PGM）和至少一种载体材料的催化剂组合物，其中当所述第一修补基面涂层涂层暴露于相对时，​​所述第一修补基面涂层涂层中的至少一个PGM容易挥发 包括相对高的温度的极端条件，其中第二修补基面涂层涂层包括至少一种支撑铜的材料，用于捕获挥发的PGM，并且其中第二修补基面涂层涂层被定向成接触与第一修补基面涂层接触的废气; 和b）第二催化底物整料14，其包含用于选择性催化将氮氧化物还原为二氮的催化剂，其中所述含氮还原剂位于第一催化底物整料的下游。

公开(公告)号：US20140093442A1

公开(公告)日：2014-04-03

申请号：US14122802

申请日：2012-05-31

Applicant: JOHNSON MATTHEY PUBLIC LIMITED COMPANY

Inventor： Glen Spreitzer ,  Sougato Chatterjee ,  Raj Rao Rajaram ,  Jillian Elaine Collier ,  Paul James Millington ,  Sylvie Cecile Laroze

IPC: B01D53/56

CPC classification number: B01D53/565 ,  B01D53/944 ,  B01D53/9472 ,  B01D2255/2065 ,  B01D2255/207 ,  B01D2255/2073 ,  B01D2255/20738 ,  B01D2255/20746 ,  B01D2255/20753 ,  B01D2255/20761 ,  B01D2255/20776 ,  B01D2255/20784 ,  B01D2255/407 ,  B01D2255/915 ,  F01N3/035 ,  F01N3/2066 ,  Y02T10/24

Abstract: A dual function catalytic filter is provided having a soot filter with an inlet and an outlet, a soot oxidation layer on the inlet, wherein the soot oxidation layer comprises a soot oxidation catalytic component consisting essentially of at least one transition metal dispersed on a cerium and zirconium mixed and/or composite oxide, wherein the at least one transition metal is selected from the group consisting of W, Cr, Ce, Mn, Fe, Co, Ni, Cu, and combinations thereof, and an SCR layer coated on the outlet, wherein the SCR layer comprises an SCR catalytic component. Also provided are methods for removing NOx and soot from a lean burn exhaust gas using the dual function catalytic filter.

Abstract translation: 提供了一种双功能催化过滤器，其具有带有入口和出口的烟灰过滤器，入口上具有烟灰氧化层，其中烟灰氧化层包括基本上由分散在铈上的至少一种过渡金属组成的烟灰氧化催化组分， 锆混合和/或复合氧化物，其中所述至少一种过渡金属选自W，Cr，Ce，Mn，Fe，Co，Ni，Cu及其组合，以及涂覆在出口上的SCR层 ，其中所述SCR层包含SCR催化组分。 还提供了使用双功能催化过滤器从稀燃废气中除去NOx和烟灰的方法。