Low carbon flower buildup, low smoke, and efficient diesel operation with vegetable oils by conversion to mono-esters and blending with diesel oil or alcohols
The purpose of this investigation is to evaluate the feasibility of rapeseed oil and palm oil for diesel fuel substitution in a naturally aspirated DI Diesel engine is evaluated. Means to reduce the carbon deposit buildup in vegetable oil combustion is found. In the experiments, the engine performance, exhaust gas emissions, and carbon deposits are measured for a number of fuels: rapeseed oil, palm oil, methylester of rapeseed oil, and these fuels blended with ethanol or diesel fuel with different fuel temperatures. Both of the vegetable oil fuels generate an acceptable engine performance and exhaust gas emission levels for short term operation, but they cause carbon deposit buildups and sticking of piston rings after extended operation. Practical solutions to overcome the problems are: increasing the fuel temperature to over 200/sup 0/C, blending 25 vol % diesel fuel in the vegetable oil, blending 20 vol % ethanol in the fuel, or converting the vegetable oils into methylesters.
- OSTI ID:
- 5834023
- Report Number(s):
- SAE-TP-841161
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
330102* -- Internal Combustion Engines-- Diesel
330800 -- Emission Control-- Alternative Fuels
500200 -- Environment
Atmospheric-- Chemicals Monitoring & Transport-- (-1989)
54 ENVIRONMENTAL SCIENCES
AEROSOLS
AIR POLLUTION ABATEMENT
ALCOHOL FUELS
AUTOMOTIVE FUELS
CARBON
CHEMICAL REACTIONS
COLLOIDS
COMBUSTION
COMPARATIVE EVALUATIONS
CONTROL
DIESEL ENGINES
DIESEL FUELS
DISPERSIONS
ELEMENTS
ENGINES
ESTERS
ETHANOL FUELS
EXHAUST GASES
FLUIDS
FUEL SUBSTITUTION
FUELS
GASEOUS WASTES
GASES
HEAT ENGINES
HIGH TEMPERATURE
INTERNAL COMBUSTION ENGINES
MIXING
NONMETALS
OILS
ORGANIC COMPOUNDS
OTHER ORGANIC COMPOUNDS
OXIDATION
PERFORMANCE TESTING
PETROLEUM PRODUCTS
POLLUTION ABATEMENT
RESIDUES
SCALE CONTROL
SMOKES
SOLS
SYNTHETIC FUELS
TEMPERATURE DEPENDENCE
TESTING
THERMOCHEMICAL PROCESSES
VEGETABLE OILS
WASTES