Abstract: A catalytic aftertreatment system for a diesel engine exhaust gas is described. The system comprises a diesel oxidation catalyst (DOC) and an aftertreatment device located downstream of the diesel oxidation catalyst (DOC), which aftertreatment device requires periodic heat treatment, and means to generate a temperature increase within the aftertreatment device, said diesel oxidation catalyst (DOC) comprising an upstream zone of length from 0.5 to 2 inches (12.7-50.81 mm) of higher oxidation activity for hydrocarbons (HC) than the remainder of the diesel oxidation catalyst (DOC).

Abstract: Provided is a system for treating an exhaust gas comprising a first SCR catalyst zone comprising an iron loaded medium- or large-pore molecular sieve having a first ammonia storage capacity; and a second SCR catalyst zone comprising a copper loaded small-pore molecular sieve having a second ammonia storage capacity, wherein the first SCR catalyst zone is disposed upstream of the second SCR catalyst zone with respect to normal exhaust gas flow through the system and wherein the second ammonia storage capacity is greater than the first ammonia storage capacity. Also provided is a method for using the system to treat exhaust gas.

Abstract: Provided is a system for treating an exhaust gas comprising a first SCR catalyst zone comprising vanadium loaded on a metal oxide selected from TiO2, ZrO2, SiO2, CeO2, and Al2O3; and a second SCR catalyst zone comprising a copper loaded small-pore molecular sieve, wherein the first SCR catalyst zone is disposed upstream of the second SCR catalyst zone with respect to normal exhaust gas flow through the system. Also provided is a method for using the system to treat exhaust gas.

Abstract: Provided is a catalytic article comprising (a) a flow through honeycomb substrate having channel walls; (b) a first NH3-SCR catalyst composition coated on and/or within the channel walls in a first zone; and (c) a second NH3-SCR catalyst composition coated on and/or within the channel walls in a second zone, provided that the first zone is upstream of the second zone and the first and second zones are adjacent or at least partially overlap; and wherein the first NH3-SCR catalyst comprises a first copper loaded molecular sieve having a copper to aluminum atomic ratio of about 0.1 to 0.375 and the second NH3-SCR catalyst comprises a second copper loaded molecular sieve having a copper-to-aluminum atomic ratio of about 0.3 to about 0.6.

Abstract: A catalytic aftertreatment system for a diesel engine exhaust gas is described. The system comprises a diesel oxidation catalyst (DOC) and an aftertreatment device located downstream of the diesel oxidation catalyst (DOC), which aftertreatment device requires periodic heat treatment, and means to generate a temperature increase within the aftertreatment device, said diesel oxidation catalyst (DOC) comprising an upstream zone of length from 0.5 to 2 inches (12.7-50.81 mm) of higher oxidation activity for hydrocarbons (HC) than the remainder of the diesel oxidation catalyst (DOC).

Abstract: A catalytic aftertreatment system for a diesel engine exhaust gas is described. The system comprises a diesel oxidation catalyst (DOC) and an aftertreatment device located downstream of the diesel oxidation catalyst (DOC), which aftertreatment device requires periodic heat treatment, and means to generate a temperature increase within the aftertreatment device, said diesel oxidation catalyst (DOC) comprising an upstream zone of length from 0.5 to 2 inches (12.7-50.81 mm) of higher oxidation activity for hydrocarbons (HC) than the remainder of the diesel oxidation catalyst (DOC).

Abstract: Provided is a system for treating an exhaust gas comprising a first SCR catalyst zone comprising vanadium loaded on a metal oxide selected from TiO2, ZrO2, SiO2, CeO2, and Al2O3; and a second SCR catalyst zone comprising a copper loaded small-pore molecular sieve, wherein the first SCR catalyst zone is disposed upstream of the second SCR catalyst zone with respect to normal exhaust gas flow through the system. Also provided is a method for using the system to treat exhaust gas.

Abstract: Provided is a system for treating an exhaust gas comprising a first SCR catalyst zone comprising an iron loaded medium- or large-pore molecular sieve having a first ammonia storage capacity; and a second SCR catalyst zone comprising a copper loaded small-pore molecular sieve having a second ammonia storage capacity, wherein the first SCR catalyst zone is disposed upstream of the second SCR catalyst zone with respect to normal exhaust gas flow through the system and wherein the second ammonia storage capacity is greater than the first ammonia storage capacity. Also provided is a method for using the system to treat exhaust gas.

Abstract: Provided is a catalytic article comprising (a) a flow through honeycomb substrate having channel walls; (b) a first NH3-SCR catalyst composition coated on and/or within the channel walls in a first zone; and (c) a second NH3-SCR catalyst composition coated on and/or within the channel walls in a second zone, provided that the first zone is upstream of the second zone and the first and second zones are adjacent or at least partially overlap; and wherein the first NH3-SCR catalyst comprises a first copper loaded molecular sieve having a copper to aluminum atomic ratio of about 0.1 to 0.375 and the second NH3-SCR catalyst comprises a second copper loaded molecular sieve having a copper-to-aluminum atomic ratio of about 0.3 to about 0.6.

Abstract: A device for adjusting conveyors for printing presses that process flat products or further processing units (40) arranged downstream therefrom, in which are received belt movers (1) containing a plurality of individual belts (5) for transporting the flat products, the belt movers including guide rollers (6) and setting rollers (7), which have a drive (2), and use tensioning devices (3) which keep constant the tension in the individual belts (5) of the belt mover (1). Accommodated in the further processing unit (40), whether it be a folder with pins or a folder that works without pins, arranged downstream from the rotary press, are shafts (16, 28, 34) having elements (25, 31, 39), which are arranged in a stationary mount and guide the individual belts (5). Supported on these so as to enable sliding in the axial direction, symmetrically with respect to the machine center (13), are movable elements (20, 27, 36), which guide, drive, and/or prestress the individual belts (5).

Abstract: A device for adjusting conveyors for printing presses that process flat products or further processing units (40) arranged downstream therefrom, in which are received belt movers (1) containing a plurality of individual belts (5) for transporting the flat products, the belt movers including guide rollers (6) and setting rollers (7), which have a drive (2), and use tensioning devices (3) which keep constant the tension in the individual belts (5) of the belt mover (1). Accommodated in the further processing unit (40), whether it be a folder with pins or a folder that works without pins, arranged downstream from the rotary press, are shafts (16, 28, 34) having elements (25, 31, 39), which are arranged in a stationary mount and guide the individual belts (5). Supported on these so as to enable sliding in the axial direction, symmetrically with respect to the machine center (13), are movable elements (20, 27, 36), which guide, drive, and/or prestress the individual belts (5).

Abstract: A device for adjusting conveyors for printing presses that process flat products or further processing units (40) arranged downstream therefrom, in which are received belt movers (1) containing a plurality of individual belts (5) for transporting the flat products, the belt movers including guide rollers (6) and setting rollers (7), which have a drive (2), and use tensioning devices (3) which keep constant the tension in the individual belts (5) of the belt mover (1). Accommodated in the further processing unit (40), whether it be a folder with pins or a folder that works without pins, arranged downstream from the rotary press, are shafts (16, 28, 34) having elements (25, 31, 39), which are arranged in a stationary mount and guide the individual belts (5). Supported on these so as to enable sliding in the axial direction, symmetrically with respect to the machine center (13), are movable elements (20, 27, 36), which guide, drive, and/or prestress the individual belts (5).