fbp‐bpf conference brussels 12 december 2019...fbp‐bpf conference –12 december 2019...
TRANSCRIPT
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Low emissions of modern diesel vehicles
FBP‐BPF conference Brussels 12 December 2019
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Exhaust emissions control technologies for original equipment, retrofit and aftermarket for all new cars, commercial vehicles, motorcycles, and non‐road mobile machinery
Association for Emissions Control by Catalyst (AECC AISBL)AECC members : European Emissions Control companies
AECC is # 78711786419‐61 in EU Transparency Register and has consultative status with the UN Economic and Social Council (ECOSOC)
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Low NOx emission diesel cars: a reality
AECC ultra‐low emissions diesel demonstrator
Concept
NOx emissions
Real‐time visualisation
Content
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pre‐RDE vehicles
On‐road emissions of Euro 6d‐TEMP and 6d cars are well within standards
RDE has significantly improved diesel NOx emissions
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Source: ACEA/JAMA PEMS data consulted 19 November 2019
FBP‐BPF conference – 12 December 2019
Source: Handbook of Emissions Factors 4.1, UBA press release 11 September 2019
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RDE has significantly improved diesel NOx emissions
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Source: ADAC EcotestSource: Green NCAP
Trend is confirmed by 3rd party testing
Source: Auto Motor und Sport
Source: Emissions Analytics
RDE benefit
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FBP‐BPF conference – 12 December 2019
Light‐duty diesel emissions control technology evolution
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Source: BMW
Source: VW
Source: Hyundai
Source: Daimler
Source: VW
Lean NOx Trap(LNT)
Diesel Particulate
Filter(DPF)
Diesel Oxidation Catalyst (DOC)
Selective Catalytic Reduction
(SCR)
Introduction of individual deNOxtechnologies for Euro 6a/b
Combination of deNOxtechnologies for Euro 6d‐TEMP
Further integration for Euro 6d
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Low NOx emission diesel cars: a reality
AECC ultra‐low emissions diesel demonstrator
Concept
NOx emissions
Real‐time visualisation
Content
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Robust NOx control over wide range of driving conditions
Low speed/loade.g. city driving
High speed/loade.g. motorway driving
Transientse.g. overtaking
AECC ultra‐low NOx emissions diesel demonstrator
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More details: J. Demuynck, et al.; “Integrated Diesel System Achieving Ultra‐Low Urban and Motorway NOx Emissions on the Road”, 40th International Vienna Motor Symposium, 2019 https://www.aecc.eu/wp‐content/uploads/2019/04/190516‐AECC‐IAV‐IPA‐Integrated‐Diesel‐System‐achieving‐Ultra‐Low‐NOx‐on‐the‐road‐Vienna‐Symposium.pdf
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Emissions controls to cover wide range of driving conditions
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EGR: Exhaust Gas RecirculationHP/LP: High/Low pressurecc: close‐coupledLNT: Lean NOx trapSCR: Selective Catalytic ReductionDPF: Diesel Particulate FilterSDPF: SCR on DPFuf: underfloorASC: Ammonia Slip Catalyst
Engine‐out Tailpipe
LNT + dual‐SCR system
Supported by 48V mild‐hybrid
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Also on a renewable fuel which offers reduced CO2 emissions on lifecycle basis
Robust NOx control achieved
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City driving: LNT and close coupled SCR+SDPF Motorway driving: underfloor SCR required to secure robust emissions control
All aftertreatment components contribute to NOx control
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Urban RDE Motorway RDE
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More videos available on YouTube (AECC eu):https://www.youtube.com/channel/UCbPS9op5ztLqrv6zlMH_IcQ
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RDE requirements have ensured better control of NOx & PN emissions under most EU driving conditions – these Euro 6d(‐TEMP) cars are on the road today
AECC’s diesel demo car shows that diesel NOx emissions can be kept at a very low level, over a wide range of driving conditions
This is achieved by combining existing catalyst technologies with improved engine and aftertreatment control functions supported by hybrid technology.
Conclusions
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Diesel Information Hub
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https://dieselinformation.aecc.eu
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THANK YOU !www.aecc.eudieselinformation.aecc.eu
@AECC_euAECC (Association for Emissions Control by Catalyst)@aeccbrusselsAECC eu