Technology to Meet Diesel Eu6d Standards
IAQM Routes to Clean Air Conference, Bristol
12 October 2016
James Wylie
IAQM Routes to Clean Air, 12 October 2016 1
Outline
• Johnson Matthey
• Legislation & Outlook
• Diesel Emission Control
• ...
IAQM Routes to Clean Air, 12 October 2016 2
Outline
• Johnson Matthey
• Legislation & Outlook
• Diesel Emission Control
• ...
IAQM Routes to Clean Air, 12 October 2016 3
UK Based Global Chemical Company
3
Emission Control
Technologies
Process
Techn...
IAQM Routes to Clean Air, 12 October 2016 4
Outline
• Johnson Matthey
• Legislation & Outlook
• Diesel Emission Control
• ...
IAQM Routes to Clean Air, 12 October 2016 5
Emissions Legislation: Worldwide Roadmap
Legislation continues to tighten arou...
IAQM Routes to Clean Air, 12 October 2016 6
Light Duty Emissions Legislation: Europe
Focus on Real World Driving
Gasoline ...
IAQM Routes to Clean Air, 12 October 2016 7
Euro Emissions Roadmap
>40% CO2 Reduction needed to achieve 2025 targets
Sourc...
IAQM Routes to Clean Air, 12 October 2016 8
Euro Emissions Roadmap
Diesel Engines can give CO2 fleet reduction
Source: Bus...
IAQM Routes to Clean Air, 12 October 2016 9
Euro 6 Technology Already Improving Real World NOx
Source: www.emissionsanalyt...
IAQM Routes to Clean Air, 12 October 2016 10
CO2 measures require
lower temperatures for HC/CO light-off & NOx conversion
...
IAQM Routes to Clean Air, 12 October 2016 11
Outline
• Johnson Matthey
• Legislation & Outlook
• Diesel Emission Control
•...
IAQM Routes to Clean Air, 12 October 2016 12
Catalyst Technologies
Oxidation of HC, CO & Soot…
Filters to remove particula...
IAQM Routes to Clean Air, 12 October 2016 13
Catalyst Technologies
Reduction of NOx
NOx Storage Catalyst (NSC)
HC/CO Oxida...
IAQM Routes to Clean Air, 12 October 2016 14
Catalyst Technologies
Reduction of NOx
Selective Catalytic Reduction (SCR)
Ur...
IAQM Routes to Clean Air, 12 October 2016 15
NOx Emission Control
15
• All three approaches being used to meet Euro 6b reg...
IAQM Routes to Clean Air, 12 October 2016 16
NOx Emission Control
Selective Catalytic Reduction (SCR)
• Metal-zeolite base...
IAQM Routes to Clean Air, 12 October 2016 17
SCRF® Integrates the SCR Coating Within the Soot Filter
Significantly improve...
IAQM Routes to Clean Air, 12 October 2016 18
SCRF® Integrates the SCR Coating Within the Soot Filter
Significantly improve...
IAQM Routes to Clean Air, 12 October 2016 19
Advanced SCR Enabled by Highly Thermally Stable Catalysts
NOxRemoval
-20oC -3...
IAQM Routes to Clean Air, 12 October 2016 20
Euro 6 Technology Can Significantly Reduce Real World NOx
Example: SCRF® Vehi...
IAQM Routes to Clean Air, 12 October 2016 21
Outline
• Johnson Matthey
• Legislation & Outlook
• Diesel Emission Control
•...
IAQM Routes to Clean Air, 12 October 2016 22
Summary
Catalyst development focus: Similar themes for both diesel and gasoli...
Upcoming SlideShare
Loading in …5
×

Routes to Clean Air 2016 - James Wylie, Johnson Matthey

285 views

Published on

Routes to Clean Air is a two-day conference from the IAQM where academics, professionals and policy makers share their experiences of improving traffic emissions.

This event highlights the importance of public communication and behavioural change surrounding road transport and air quality issues.

Published in: Environment
0 Comments
2 Likes
Statistics
Notes
  • Be the first to comment

No Downloads
Views
Total views
285
On SlideShare
0
From Embeds
0
Number of Embeds
1
Actions
Shares
0
Downloads
3
Comments
0
Likes
2
Embeds 0
No embeds

No notes for slide

Routes to Clean Air 2016 - James Wylie, Johnson Matthey

  1. 1. Technology to Meet Diesel Eu6d Standards IAQM Routes to Clean Air Conference, Bristol 12 October 2016 James Wylie
  2. 2. IAQM Routes to Clean Air, 12 October 2016 1 Outline • Johnson Matthey • Legislation & Outlook • Diesel Emission Control • Summary Technology to Meet Diesel Eu6d Standards
  3. 3. IAQM Routes to Clean Air, 12 October 2016 2 Outline • Johnson Matthey • Legislation & Outlook • Diesel Emission Control • Summary Technology to Meet Diesel Eu6d Standards
  4. 4. IAQM Routes to Clean Air, 12 October 2016 3 UK Based Global Chemical Company 3 Emission Control Technologies Process Technologies Precious Metal Products Fine Chemicals New Businesses Chemicals • Syngas • Petrochemicals • Oleo/biochemicals Oil and Gas • Refineries • Gas Processing • Diagnostic Services Services • Precious Metals Management • Refining Manufacturing • Noble Metals • Advanced Glass Technologies • Chemical Products • Active Pharmaceutical Ingredient (API) Manufacturing • Catalysis and Chiral Technologies • Battery Technologies • Fuel Cells • Atmosphere Control Technologies • Water Technologies • New Business Development • Light Duty Catalysts • Heavy Duty Diesel Catalysts World’s first autocatalyst manufacturing plant in 1974
  5. 5. IAQM Routes to Clean Air, 12 October 2016 4 Outline • Johnson Matthey • Legislation & Outlook • Diesel Emission Control • Summary Technology to Meet Diesel Eu6d Standards
  6. 6. IAQM Routes to Clean Air, 12 October 2016 5 Emissions Legislation: Worldwide Roadmap Legislation continues to tighten around the world Light Duty Heavy Duty
  7. 7. IAQM Routes to Clean Air, 12 October 2016 6 Light Duty Emissions Legislation: Europe Focus on Real World Driving Gasoline particulate filters and advanced diesel NOx control required • Euro 6b - In full effect from September 2015 • Common use of diesel NOx control • Euro 6d - From September 2017 • Gasoline particle number (PN) limit to 6x1011/km Real World Driving Emissions (RDE) • Euro 6d Temp 2017/2019 • NOx conformity factor (CF) of 2.1x, PN CF decision expected in 2016 • Euro 6d Final 2020/2021 • NOx CF of 1.5x, PN CF to follow Light Duty Emissions Control Legislative Roadmap
  8. 8. IAQM Routes to Clean Air, 12 October 2016 7 Euro Emissions Roadmap >40% CO2 Reduction needed to achieve 2025 targets Source: Pischinger, FEV, SIA Powertrain Conference June 2016
  9. 9. IAQM Routes to Clean Air, 12 October 2016 8 Euro Emissions Roadmap Diesel Engines can give CO2 fleet reduction Source: Buschmann, IAV, SIA Powertrain Conference June 2016
  10. 10. IAQM Routes to Clean Air, 12 October 2016 9 Euro 6 Technology Already Improving Real World NOx Source: www.emissionsanalytics.com A third of Euro 6b diesel (& all Euro 6 gasoline) cars tested met 2.1xCF
  11. 11. IAQM Routes to Clean Air, 12 October 2016 10 CO2 measures require lower temperatures for HC/CO light-off & NOx conversion lower backpressure especially on downsized high power engines Optimise Engine/System State of the art catalysts combined with well designed architecture - Close-coupled where possible - Maximising advantage through after-treatment / engine synergies Euro Emissions Roadmap: Light Duty Diesel RDE widens the Diesel NOx conversion requirement
  12. 12. IAQM Routes to Clean Air, 12 October 2016 11 Outline • Johnson Matthey • Legislation & Outlook • Diesel Emission Control • Summary Technology to Meet Diesel Eu6d Standards
  13. 13. IAQM Routes to Clean Air, 12 October 2016 12 Catalyst Technologies Oxidation of HC, CO & Soot… Filters to remove particulate matter HC + O2  CO2 + H2O CO + ½ O2  CO2 C + O2  CO2 Key Oxidation reactions : Diesel Oxidation Catalyst (DOC) Catalysed Soot Filter (CSF)
  14. 14. IAQM Routes to Clean Air, 12 October 2016 13 Catalyst Technologies Reduction of NOx NOx Storage Catalyst (NSC) HC/CO Oxidation & NOx Storage under lean, diesel conditions, with periodic rich regeneration (Reduction) Lean Rich HC + O2  CO2 + H2O CO + ½ O2  CO2 NOx + [HC/CO/H2]  N2 + CO2 + H2O
  15. 15. IAQM Routes to Clean Air, 12 October 2016 14 Catalyst Technologies Reduction of NOx Selective Catalytic Reduction (SCR) Urea (AdBlue®) decomposition to NH3 (NH2)2CO  HNCO + NH3 HNCO + H2O  CO2 + NH3 Lean Rich 4NH3 + 4NO + O2  4N2 + 6H2O 2NH3 + NO + NO2  2N2 + 3H2O 8NH3 + 6NO2  7N2 + 12H2O NOx Reduction using NH3 (Source AECC) HC + O2  CO2 + H2O CO + ½ O2  CO2 NOx + [HC/CO/H2]  N2 + CO2 + H2O NOx Storage Catalyst (NSC) HC/CO Oxidation & NOx Storage under lean, diesel conditions, with periodic rich regeneration (Reduction)
  16. 16. IAQM Routes to Clean Air, 12 October 2016 15 NOx Emission Control 15 • All three approaches being used to meet Euro 6b regulations NOx Storage Catalysts (NSC) • Pgm based catalyst • Requires fuel addition, hence penalty on fuel consumption • Favoured on smaller vehicles Selective Catalytic Reduction (SCR) • Metal-zeolite based catalyst • Requires urea injection system, with tank, doser and injection systems • Favoured on larger vehicles • More reliable at higher speeds Advanced SCR (SCRF®) • SCR coating on filter • Allows improved thermal management of catalyst on vehicle • Technically very demanding system • May require additional SCR / ammonia slip catalyst (ASC) to maximise NOx conversion CSF SCR®CSF UREA SCRF®
  17. 17. IAQM Routes to Clean Air, 12 October 2016 16 NOx Emission Control Selective Catalytic Reduction (SCR) • Metal-zeolite based catalyst • Requires urea injection system, with tank, doser and injection systems • Favoured on larger vehicles • More reliable at higher speeds Advanced SCR (SCRF®) • SCR coating on filter • Allows improved thermal management of catalyst on vehicle • Technically very demanding system • May require additional SCR / ammonia slip catalyst (ASC) to maximise NOx conversion SCR®CSF UREA SCRF® NOx Storage Catalysts (NSC) • Pgm based catalyst • Requires fuel addition, hence penalty on fuel consumption • Favoured on smaller vehicles CSF Expect shift towards SCR and Advanced SCR for RDE compliance • Plus some NOx storage capability to be incorporated into the DOC for urban NOx control
  18. 18. IAQM Routes to Clean Air, 12 October 2016 17 SCRF® Integrates the SCR Coating Within the Soot Filter Significantly improves system thermal efficiency DOC CSF SCRUrea DOC SCRF® SCRF
  19. 19. IAQM Routes to Clean Air, 12 October 2016 18 SCRF® Integrates the SCR Coating Within the Soot Filter Significantly improves system thermal efficiency ® SCRF Urea dosing On SCR Urea dosing On DOC CSF SCRUrea DOC SCRF® SCRF NOxRemoval -30oC Baseline Turbo Outlet Temp
  20. 20. IAQM Routes to Clean Air, 12 October 2016 19 Advanced SCR Enabled by Highly Thermally Stable Catalysts NOxRemoval -20oC -30oC Baseline Turbo Outlet Temp DOC CSF SCRUrea DOC SCRF® SCRF To withstand very harsh conditions within the diesel filter 900oC Ageing
  21. 21. IAQM Routes to Clean Air, 12 October 2016 20 Euro 6 Technology Can Significantly Reduce Real World NOx Example: SCRF® Vehicle: 2 litre Class E Segment Vehicle Euro 6d limit (CF 1.5) Data Source: May, AECC Technical Seminar on Real-Driving Emissions, 29 April 2015 Test route to give valid conditions when analysed by EMROAD, and correct balance of urban, rural, motorway driving
  22. 22. IAQM Routes to Clean Air, 12 October 2016 21 Outline • Johnson Matthey • Legislation & Outlook • Diesel Emission Control • Summary Technology to Meet Diesel Eu6d Standards
  23. 23. IAQM Routes to Clean Air, 12 October 2016 22 Summary Catalyst development focus: Similar themes for both diesel and gasoline: Temperature • Lower catalyst light- off temperatures and improved cool efficiency • Improved fuel efficiency reduces catalyst operating temperatures • Increased focus on urban driving Increased thermal durability • Gasoline peak ageing temperatures increasing with latest engines • Effect of soot and sulphur regeneration strategies in diesel systems Reduced system backpressure • To maximise power delivery from engine Reduced precious metal content • Cost control for multi-catalyst systems • Diesel engines can deliver significant CO2 reductions over their gasoline counterparts • Today’s Diesel Catalyst Technology can meet emissions targets • SCR & advanced SCR technology developed for upcoming tightening RDE legislation • Continuous ongoing improvements

×