Measurement of particulate and unburnt hydrocarbon emissions from diesel engines
Conference
·
OSTI ID:6487193
This paper provides information on measurements and measurement techniques for particulate and unburnt hydrocarbon emissions for diesel engines. A dilution mini-tunnel was used to characterize the effects of the dilution ratio and sample temperature on the total particulate mass and soluble organic fraction (SOF) constituents. Increasing the sample temperature resulted in changes in the polynuclear aromatic hydrocarbon (PAH) constituents in SOF. The SOF was isolated by column chromatography, and the PAH fraction was determined by high performance liquid chromatogrphay (HPLC). Column chromatography with silicagel, an octadecylsilan-bonded column, and keeping at high temperatures improved the analytical efficiency of HPLC. The gaseous hydrocarbon in raw exhaust was analysed by GC with FID. The temperature of the sample glass syringe affected measurements of high boiling point hydrocarbon constituents.
- OSTI ID:
- 6487193
- Report Number(s):
- CONF-880241-
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
33 ADVANCED PROPULSION SYSTEMS
330102* -- Internal Combustion Engines-- Diesel
330704 -- Emission Control-- Hydrocarbons
330705 -- Emission Control-- Particulates
500200 -- Environment
Atmospheric-- Chemicals Monitoring & Transport-- (-1989)
54 ENVIRONMENTAL SCIENCES
AIR POLLUTION MONITORING
AROMATICS
CHEMICAL ANALYSIS
CHROMATOGRAPHY
DIESEL ENGINES
DILUTION
EMISSION
ENGINES
EXHAUST GASES
FLUIDS
GASEOUS WASTES
GASES
HEAT ENGINES
HYDROCARBONS
INTERNAL COMBUSTION ENGINES
LIQUID COLUMN CHROMATOGRAPHY
ORGANIC COMPOUNDS
ORGANIC SOLVENTS
PARTICLES
PARTICULATES
POLYCYCLIC AROMATIC HYDROCARBONS
QUANTITATIVE CHEMICAL ANALYSIS
SAMPLING
SEPARATION PROCESSES
SOLVENTS
TEMPERATURE DEPENDENCE
WASTES
330102* -- Internal Combustion Engines-- Diesel
330704 -- Emission Control-- Hydrocarbons
330705 -- Emission Control-- Particulates
500200 -- Environment
Atmospheric-- Chemicals Monitoring & Transport-- (-1989)
54 ENVIRONMENTAL SCIENCES
AIR POLLUTION MONITORING
AROMATICS
CHEMICAL ANALYSIS
CHROMATOGRAPHY
DIESEL ENGINES
DILUTION
EMISSION
ENGINES
EXHAUST GASES
FLUIDS
GASEOUS WASTES
GASES
HEAT ENGINES
HYDROCARBONS
INTERNAL COMBUSTION ENGINES
LIQUID COLUMN CHROMATOGRAPHY
ORGANIC COMPOUNDS
ORGANIC SOLVENTS
PARTICLES
PARTICULATES
POLYCYCLIC AROMATIC HYDROCARBONS
QUANTITATIVE CHEMICAL ANALYSIS
SAMPLING
SEPARATION PROCESSES
SOLVENTS
TEMPERATURE DEPENDENCE
WASTES