Clean Diesel Technologies, Inc. Robust Low-cost EPA-Verified Systems for for Diesel Retrofit on on Heavy Duty Vehicles

Transcription

1 Clean Diesel Technologies, Inc. Robust Low-cost EPA-Verified Systems for for Diesel Retrofit on on Heavy Duty Vehicles Tim Tim Rogers VP VP International Overview The use of a Fuel Born Catalyst (FBC) to enable Diesel Retrofit of emission control devices Diesel Oxidation Catalysts Catalyst wire mesh filters Diesel Particulate Filters 2

2 Fuel Born Catalyst (FBC) Description Platinum Plus FBC based on Platinum + Cerium Fully fuel soluble additive package Provides catalytic properties to the diesel fuel to: a) Improve the combustion process in the engine b) Improve the performance of flow through aftertreatment devices i.e. DOC s c) Assist soot regeneration in a DPF Dosed directly in to the bulk diesel fuel or via an on board dosing unit 3 FBC Key Benefits Emission reductions When used as a performance additive PM reduction of 5 to 20% engine out EPA Registered additive Reduces N0x and particulate emissions from bio diesel blends When used with an emission control device PM reduction of 40 to 50% with DOC* EPA Verified PM reduction of 60 to 75% with CWMF* EPA Verification Pending PM reduction of Over 90% with DPF DPF Regeneration additive (VERT approved additive) 4

3 FBC Key Benefits Performance Does not require special Ultra Low Sulphur Diesel Works with a wide range of engine size and age No secondary emissions of un-wanted NO2 Allows for significant reduction (up to 90%) in base Pt catalyst used on the retrofit device Continual replenishment of the catalyst during operation life ensures long term device durability and reliable service. 5 FBC Catalytic Oxidation of Diesel Particulates-carbon fraction Carbon is oxidised by: Temp Oxygen C+O 2 CO/CO C Many metals promote C+O 2 reaction C but have no reaction with NOx NO2 C+NO 2 CO/CO 2 +NO C Platinum promotes 2NO +O 2 = 2NO 2 NO (+0 2 ) 2C+O 2 +2NO 2CO 2 +N C Reaction is catalyzed by Platinum +cerium Platinum + cerium oxidizes both the carbon and hydrocarbons (SOF) present in the exhaust at temperatures as low as 200C 6

4 FBC reduction of engine out emissions and fuel economy 7 Emissions Reduction of FBC Treated Fuels Versus Baseline No. 2D-1990 DT 466 Engine (Triplicate FTP Tests) % Reductions vs Baseline No. 2D 40% 30% 20% 10% 0% = HC = CO = NOx = PM No. 2D + FBC ULSD No. 2D = 350ppm Sulfur ULSD = <15ppm Sulfur ULSD + FBC 18 8

5 The Louisiana Coca Cola Bottling Company 9 Platinum Plus Fleet Test Summary (Average MPG Improvement = 8%) Trash Hauling Urban 41 Trucks Feed and Livestock Rural 47 Units Grocery Distribution Rural 54 Tractors Grocery and Fuel Distribution Rural 35 Tractors Beverage Deliver Urban/Rural 43 units Line Haul Freight 16 Tractors Fuel Delivery Urban/Rural 9 Tractors Fuel Delivery Urban 10 Units Beverage Delivery Urban 72 Vehicles Beverage Delivery Urban 41 Vehicles Beverage Delivery Suburban 39 Vehicles 3% Improvement 4% Improvement 6% Improvement 6% Improvement 6% Improvement 7% Improvement 9% Improvement >10% Improvement >10% Improvement >10% Improvement >10% Improvement 10

6 FBC with After treatment emission Control devices 11 Comparative PM Emission Reduction (368 ppm Sulfur Fuel) 1998 DDC Series 60 Units: Pm g/bhp-hr Standard Diesel 29% DOC 43% Platinum Plus + DOC 51% Platinum Plus + DOC + ULSD 65% Platinum Plus CWMF FBC=Fuel Borne Catalyst(Pt/Ce Additive); DOC=Diesel Oxidation Catalyst DPF= Diesel Particulate Filter 90% 0.01 Platinum Plus + DPF + ULSD 12

7 EPA verified System FBC/DOC 13 Platinum Plus Purifier Installation on Delivery Truck Lightly Catalyzed Cordierite DOC ( <5g/cubft Pt = Low cost) FBC Pt/Ce at 0.15/7 ppm ensure continued in use operation Durable and very low maintenance EPA verified at % PM reduction 14

8 Platinum Plus Purifier (FBC/DOC) Emission Test Results in Support of EPA Verification 60% % Reductions vs Baseline No. 2D 50% 40% 30% 20% 10% 0% = HC = CO = NOx = NO 2 = PM FBC/DOC/ULSD (Aged 1,000 hours on FBC/ULSD) No. 2D = 350ppm Sulfur ULSD = 15ppm Sulfur FBC = Platinum/Cerium Fuel Borne Catalyst DOC = Lightly Catalyzed Diesel Oxidation Catalyst FBC/DOC/No.2D (Aged 1,000 hours on FBC/No.2D) 15 16

9 EPA verified System FBC/Catalyst Wire Mesh Filter (CWMF) 17 About the Mitsui - Pure Earth Catalyst Wire Mesh Filter with Platinum Plus + FBC: PM:25%~40% reduction (US13 mode) PE Original Catalyzed Filter: PM:30%~60% reduction (J13 mode) FBC+Catalyzed Filter: PM:65% reduction (US13 mode) 18

10 FBC/ CWMF Installed on Delivery Truck lightly catalyzed Mitsui CWMF reduced unit cost FBC Pt/Ce at 0.15/7 ppm ensures continued in use operation Extremely durable construction In service in Asia Low maintenance design does not require regular cleaning 19 FBC/CWMF Emissions Reduction Versus Baseline No. 2D 990 DT 466 Engine (Average of new and aged devices Triplicate FTP Tests) % Reductions vs Baseline No. 2D 90% 80% 70% 60% 50% 40% 30% 20% 10% % = HC = CO = NOx = PM No 2D + FBC/CWMF No. 2D = 350ppm Sulfur ULSD = <15ppm Sulfur ULSD + FBC/CWMF FBC = Pt/Ce Fuel Borne Catalyst CWMF = Lightly Catalyzed Wire Mesh Filter 20

11 FBC/DPF 21 FBC/DPF System schematic 22

12 FBC/DPF System overview Silicon Carbide DPF- Sleeved ready For canning All sizes High performance FBC Low Ash Passive DPF System FBC Dosing unit complete with system Diagnostics 23 Platinum plus DFX DPF Comparison of regeneration temperature 1000 Reduces The Temperature Needed To Oxidize Soot Collected In A Trap From 1000 o F To 580 o F Oxidation Temperature ( o F) Uncatalyzed Soot In Filter Catalyzed Filter Ce At 100 ppm Pt/Ce At 0.5/5 ppm SAE Paper No

13 NO 2 Emissions From Catalyzed DPF vs Uncatalyzed DPF/FBC System (Engine Dyno Data) 150 Heavily Catalyzed Filters NO 2 (ppm) Uncatalyzed DPF/FBC Uncatalyzed DPF/FBC x 10 0 DPF = Diesel Particulate Filters FBC = Platinum/Cerium Fuel Borne Catalyst 25 Secondary Emissions Tests No increase in 200 species No ultra fine oxide particle peak Engine out carbon is reduced 30 to 40 % 95% Pt+Ce retained in engine, 99% in engine + filter system if fitted Dioxins and furans not affected by Pt +Ce PAHs reduced by 95-97% (with Filters) NOx reduced by 11% No impact on NO2 emissions CO & HC reduced by 60% - 70% 26

14 Platinum Plus FBC Summary Reduces engine-out PM emissions 15%-25% Improves the performance of after-treatment devices Enables after-treatment devices to works with higher Sulphur Diesel Allows for lower cost devices by lowering the base Pt loading Improves fuel economy 3%-12% Fuel economy improvement normally off-sets FBC cost Compatible with all diesel fuels including biodiesel Low metal loadings = no ultra fines 27 Clean Diesel Technologies, Inc. Addresses: Clean Diesel Technologies Inc., Suit 702, 300 Atlantic Street, Stamford CT USA Contacts: Timothy Rogers VP International Tel Mobile Fax trogers@cdti.com James Valentine - President Tel Fax

15 Supporting Information on Pt/Ce 29 Advantages of the Pt co-additive Can reduce the active amount of Ce required by up to 50% - Removes the need for pre DPF oxicat Pt FBC Reduces HC and CO DPF regeneration temperature lower when Oxicat not present. Lz Findings OE program Significant reduction in engine out PM 30

16 Comments From VERT On Pt/Ce This additive reduces the light off temperature to start regeneration and supports soft regenerations avoiding risky situations Additive ash deposits are minimized due to very low metal concentration Additive particles do not show up as a separate peak in the number-count size distribution nor do they increase the total submicron particle number With these quite positive properties the additive looks interesting in order to widen up the application range for passive trap systems 31 Key VSET Conclusions Platinum Emissions about x4 lower than with existing gasoline 3 way catalysts PCDD/F emissions not increased PAH emissions reduced by about 97% Platinum Cerium concluded to successfully pass VSET requirements 32

17 Additive Emissions Characteristics Strongly dependent upon Additive Concentration 33