Each spectrum has been taken 60 min after the desired temperature reached
140
Figure V-12. DRIFT spectra in the region 3200-1100 cm-1 of HT-PtPd and
HT-Ca-PtPd aged catalysts at 150 ºC (left) and 250 ºC (right) under simulated
exhaust conditions. FT-IR chamber feed: 500 ppm NO, 300 ppm CO, 300 ppm
C3H6, 10% O2, He as balance. Total flow: 40 ml min-1. Each spectrum has
been taken 60 min after the desired temperature reached


142

Figure V-13. DRIFT spectra in the region 3200-1100 cm-1 of HT-PtPd and
HT-P-PtPd aged catalysts at 150 ºC (left) and 250 ºC (right) under simulated
exhaust conditions. FT-IR chamber feed: 500 ppm NO, 300 ppm CO, 300 ppm
C3H6, 10% O2, He as balance. Total flow: 40 ml min-1. Each spectrum has
been taken 60 min after the desired temperature reached



143



LIST OF ABBREVIATIONS
BDDT: Brunauer-Deming-Deming-Teller
BET: Brunauer-Emmet-Teller
BJH: Barnet-Joyner-Haneda
BTX: Benzene-Toluene-Xylene
COP: Conference of Parties
CRT: Continuously Regeneration Trap
DOC: Diesel Oxidation Catalyst
DPF: Diesel Particulate Filter
DRIFTS: Diffuse Reflectance Infrared Fourier Transform Spectroscopy
EDX: Energy Dispersive X-ray analysis
EGR: Exhaust Gas Recirculation
EN: European Normative
EU: European Union
EXAFS: X-Ray Absorption Fine Structure
FAAE: Fatty Acid Alkyl Esters
FFA: Free Fatty Acids
FTIR: Fourier Transform Infrared spectroscopy
GHG: Green House Gas
GHSV: Gas Hourly Space Velocity
HDVs: Heavy Duty Vehicles
HT: Hydrothermal
ICP-OES: Induced Conductivity Plasma-Optical Emission Spectroscopy
IF: Inorganic Fraction
IUPAC: International Union of Pure and Applied Chemistry
NOx: Nitrogen Oxides
NSR: NOx Storage Reduction
OBD: On-Board Diagnostic
OSC: Oxygen Storage Capacity
PAHs: Polycyclic Aromatic Hydrocarbons
PGM: Platinum Group Metals




PM: Particulate Matter
PN: Particulate Number
R: Richness
SCR: Selective Catalytic Reduction
SiC: Silicon Carbide
SOF: Solid Organic Fraction
SOI: Start of Injection
SSA: Specific Surface Area
TCD: Temperature Controller Detector
TDS: Temperature Desorption Spectroscopy
TEM: Transmission Electron Microscopy
THC: Total Hydrocarbon
TPD: Temperature Programmed Desorption
TPR: Temperature Programmed Reduction
ULSD: Ultra Low Sulfur Diesel
UNFCCC: United Nations Framework Convention of Climate Change
USA: United States of America
UV: Ultraviolet Vision
VECTO: Vehicle Energy Consumption Calculation Tool
VOCs: Volatile Organic Compounds
WHSC: World Harmonized Stationary Cycle
WHTC: World Harmonized Transient Cycle
XPS: X-Ray Photoelectron Spectroscopy
XRD: X-Ray Diffraction
ZDDP: Zinc Dialkylthiophosphate





Introduction

The impacts of climate change are evident. The members of the states of the
European Union, including France, are active in the fight against global warming.

### Language ###
English

### Assessment ###
The text contains experimental conditions for spectroscopy measurements, including specific flow rate information.

### Query ###
Could you tell me the total gas flow used in DRIFT spectroscopy chamber conditions?
Could you tell me the total gas flow used in DRIFT spectroscopy chamber conditions?