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An exhaust gas particulate filter system for an internal combustion engine comprises an exhaust gas conduit in fluid communication with, and configured to receive exhaust gas from, the internal combustion engine. A hydrocarbon supply is connected to the exhaust gas conduit and is in fluid communicat

An exhaust gas particulate filter system for an internal combustion engine comprises an exhaust gas conduit in fluid communication with, and configured to receive exhaust gas from, the internal combustion engine. A hydrocarbon supply is connected to the exhaust gas conduit and is in fluid communication with the exhaust gas for delivery of hydrocarbon thereto. A particulate filter assembly is located downstream of the hydrocarbon injector for receipt of the exhaust gas and hydrocarbon mixture. The particulate filter assembly comprises an exhaust gas filter disposed therein for removal of particulates from the exhaust gas and an electrically heated catalyst device disposed therein, upstream of the exhaust gas filter, and heatable to induce oxidation of the exhaust gas and hydrocarbon mixture and to heat the exhaust gas filter and burn particulates collected therein.

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1. An internal combustion engine and exhaust gas particulate filter system, comprising: an internal combustion engine;an exhaust gas conduit in fluid communication with, and configured to receive an exhaust gas from, the internal combustion engine;a hydrocarbon supply connected to and in fluid commu

1. An internal combustion engine and exhaust gas particulate filter system, comprising: an internal combustion engine;an exhaust gas conduit in fluid communication with, and configured to receive an exhaust gas from, the internal combustion engine;a hydrocarbon supply connected to and in fluid communication with the exhaust gas conduit for delivery of a hydrocarbon thereto and formation of an exhaust gas and hydrocarbon mixture therein;a particulate filter assembly in fluid communication with the exhaust gas conduit and configured to receive the exhaust gas and hydrocarbon mixture, the particulate filter assembly comprising:an exhaust gas filter disposed within the particulate filter assembly for removal of particulates from the exhaust gas;an electrically heated catalyst device disposed within the particulate filter assembly, upstream of the exhaust gas filter and heatable to induce oxidation of the exhaust gas and hydrocarbon mixture to heat the exhaust gas and burn particulates collected in the exhaust gas filter; andan oxidation catalyst device disposed within the particulate filter assembly between the electrically heated catalyst device and the exhaust gas filter, the exhaust gas filter, oxidation catalyst and electrically heated catalyst device disposed within a single canister. 2. The exhaust gas particulate filter system for an internal combustion engine of claim 1, wherein the hydrocarbon supply comprises a hydrocarbon injector connected to and in fluid communication with the exhaust gas conduit upstream of the electrically heated catalyst device. 3. The exhaust gas particulate filter system for an internal combustion engine of claim 1, wherein the hydrocarbon supply comprises the engine. 4. The exhaust gas particulate filter system for an internal combustion engine of claim 1, wherein the oxidation catalyst device is disposed on an inlet end of the exhaust gas filter. 5. The exhaust gas particulate filter system for an internal combustion engine of claim 4, further comprising: a catalyst compound applied to the electrically heated catalyst device, the oxidation catalyst device or both devices and comprising a platinum group metal. 6. The exhaust gas particulate filter system for an internal combustion engine of claim 5, wherein the platinum group metal comprises platinum (Pt), palladium (Pd), rhodium (Rh) or other suitable oxidizing catalysts, or combination thereof. 7. The exhaust gas particulate filter system for an internal combustion engine of claim 1, further comprising: a backpressure sensor in fluid communication with the exhaust gas conduit, upstream of the exhaust gas filter and configured to generate a signal indicative of a backpressure of the exhaust gas; anda controller in communication with the backpressure sensor and the hydrocarbon supply and configured to deliver the hydrocarbon into the exhaust gas when the signal reaches a level indicative of the need to heat the exhaust gas filter and burn particulates collected therein. 8. The exhaust gas particulate filter system for an internal combustion engine of claim 1, further comprising: a temperature sensor configured for fluid communication with the exhaust gas in the particulate filter assembly and configured to generate a signal indicative of the temperature of the exhaust gas therein; anda controller in communication with the temperature sensor and the hydrocarbon supply and configured to control hydrocarbon delivery and maintain a predetermined exhaust gas temperature sufficient to burn particulates in the exhaust gas filter. 9. The exhaust gas particulate filter system for an internal combustion engine of claim 1, wherein the exhaust gas filter further comprises: a ceramic monolith having exhaust flow passages extending therethrough defined by longitudinally extending porous walls therebetween, the exhaust flow passages comprising:a first subset of inlet passages having an open inlet end and a closed outlet end; anda second subset of outlet passages having a closed inlet end and an open outlet end, wherein the ceramic monolith is configured to receive the exhaust gas through the inlet passages and migrate the exhaust gas through the longitudinally extending porous walls to the outlet passages and remove particulates from the exhaust gas. 10. The exhaust gas particulate filter system for an internal combustion engine of claim 2, further comprising: a turbulator disposed in the exhaust gas conduit adjacent to and downstream from the hydrocarbon injector and configured to mix the hydrocarbon and exhaust gas upstream of the particulate filter assembly. 11. An exhaust gas treatment system for an internal combustion engine comprising: an internal combustion engine;an exhaust gas conduit in fluid communication with, and configured to receive an exhaust gas from, the internal combustion engine and to conduct the exhaust gas between a plurality of devices of the exhaust gas treatment system;a first oxidation catalyst device, configured for oxidation of hydrocarbon and CO in the exhaust gas, disposed in fluid communication with the exhaust gas conduit;a selective catalyst reduction device, configured for reduction of components of NOx in the exhaust gas, disposed in fluid communication with the exhaust gas conduit downstream of the first oxidation catalyst device;a hydrocarbon injector connected to the exhaust gas conduit downstream of the selective catalyst reduction device and in fluid communication with the exhaust gas conduit for delivery of hydrocarbon thereto and formation of an exhaust gas and hydrocarbon mixture;a particulate filter assembly in fluid communication with the exhaust gas conduit and located downstream of the hydrocarbon injector and configured for receipt of the exhaust gas and hydrocarbon mixture wherein the particulate filter assembly comprises:an exhaust gas filter disposed within the particulate filter assembly and configured for removal of particulates from the exhaust gas; andan electrically heated catalyst device disposed within the particulate filter assembly, upstream of the exhaust gas filter and configured for heating to induce oxidation of the exhaust gas and hydrocarbon mixture to heat the exhaust gas and burn particulates collected in the exhaust gas filter, the exhaust gas filter and electrically heated catalyst device disposed within a single canister; anda second oxidation catalyst device disposed within the particulate filter assembly between the electrically heated catalyst device and the exhaust gas filter and configured to induce further oxidation of the exhaust gas and hydrocarbon mixture downstream of the electrically heated catalyst device to further heat the exhaust gas and burn particulates collected in the exhaust gas filter. 12. The exhaust gas treatment system for an internal combustion engine of claim 11, further comprising: a reductant injector connected to the exhaust gas conduit upstream of the selective catalyst reduction device and in fluid communication with the exhaust gas and configured for delivery of a reductant having an ammonia component to the selective catalyst reduction device. 13. The exhaust gas treatment system for an internal combustion engine of claim 11, further comprising: a catalyst compound applied to the selective catalyst reduction device containing a zeolite and a base metal component comprising iron (“Fe”), cobalt (“Co”), copper (“Cu”) or vanadium, or a combination thereof, that is configured to reduce NOx in the exhaust gas in the presence the reductant comprising urea or ammonia, or a combination thereof. 14. The exhaust gas treatment system for an internal combustion engine of claim 11, wherein the second oxidation catalyst device is disposed on an inlet end of the exhaust gas filter. 15. The exhaust gas treatment system for an internal combustion engine of claim 14, further comprising: an oxidation catalyst applied to at least one of the oxidation catalyst device or electrically heated catalyst device comprising a platinum group metal. 16. The exhaust gas treatment system for an internal combustion engine of claim 15, wherein the Pt group metal comprises platinum (Pt), palladium (Pd), or rhodium (Rh), or combination thereof. 17. The exhaust gas treatment system for an internal combustion engine of claim 11, further comprising: a backpressure sensor in fluid communication with the exhaust gas conduit, upstream of the exhaust gas filter and configured to generate a signal indicative of a backpressure of the exhaust gas; anda controller in signal communication with the backpressure sensor and the hydrocarbon injector and configured to inject hydrocarbon into the exhaust gas when the signal reaches a predetermined level indicative of the need to heat the exhaust gas filter and burn particulates collected therein. 18. The exhaust gas treatment system for an internal combustion engine of claim 11, further comprising: a temperature sensor configured for fluid communication with the exhaust conduit in the particulate filter assembly and configured to generate a signal indicative of a temperature of the exhaust gas therein; anda controller in communication with the temperature sensor and the hydrocarbon injector and configured to adjust the rate of hydrocarbon delivery to maintain a desired exhaust gas temperature to burn particulates in the exhaust gas filter. 19. The exhaust gas treatment system for an internal combustion engine of claim 11, wherein the exhaust gas filter further comprises: a ceramic monolith having exhaust flow passages extending therethrough defined by longitudinally extending walls therebetween, the exhaust flow passages comprising:a first subset of inlet passages having an open inlet end and a closed outlet end; anda second subset of outlet passages having a closed inlet end and an open outlet end, wherein the exhaust gas enters the ceramic monolith through the inlet passages and migrates through the longitudinally extending walls to the outlet passages to remove particulates from the exhaust gas. 20. A method for regenerating an exhaust gas particulate filter system for an internal combustion engine having an exhaust gas conduit in fluid communication with, and configured to receive an exhaust gas from, the internal combustion engine, a first oxidation catalyst device configured for oxidation of hydrocarbon and CO in the exhaust gas disposed in fluid communication with the exhaust gas conduit, a hydrocarbon supply connected to the exhaust gas conduit downstream of the first oxidation catalyst and in fluid communication with the exhaust gas for delivery of hydrocarbon thereto, a particulate filter assembly having an exhaust gas filter disposed therein for removal of particulates from the exhaust gas, an electrically heated catalyst oxidation device disposed therein, upstream of the exhaust gas filter, an oxidation catalyst device disposed within the particulate filter assembly between the electrically heated catalyst device and the exhaust gas filter, the exhaust gas filter, oxidation catalyst and electrically heated catalyst device disposed within a single canister; comprising: sensing an exhaust back pressure upstream of the particulate filter;determining that the exhaust back pressure has reached a level indicative of the need to heat the exhaust gas filter and burn particulates collected therein;activating the electrically heated catalyst oxidation device to a desired temperature;activating the hydrocarbon supply to deliver unburned hydrocarbon upstream of the electrically heated catalyst oxidation device; andmonitoring the temperature of the particulate filter and adjusting the delivery of unburned hydrocarbon to effect combustion of particulates therefrom.