2008-01-2500
Hydrotreated Vegetable Oil (HVO) as a Renewable Diesel Fuel:
Trade-off between NOx, Particulate Emission, and Fuel
Consumption of a Heavy Duty Engine
Hannu Aatola, Martti Larmi, Teemu Sarjovaara
Helsinki University of Technology
Seppo Mikkonen...
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2008-01-2500
Hydrotreated Vegetable Oil (HVO) as a Renewable Diesel Fuel:
Trade-off between NOx, Particulate Emission, and Fuel
Consumption of a Heavy Duty Engine
Hannu Aatola, Martti Larmi, Teemu Sarjovaara
Helsinki University of Technology
Seppo Mikkonen
Neste Oil
Copyright © 2008 SAE International
ABSTRACT
Hydrotreating of vegetable oils or animal fats is an alternative process to esterification for producing biobased
diesel fuels.
Hydrotreated products are also called renewable diesel fuels.
Hydrotreated vegetable oils (HVO) do not have the detrimental effects of ester-type biodiesel fuels, like increased NOx emission, deposit formation, storage stability problems, more rapid aging of engine oil or poor cold
properties.
HVOs are straight chain paraffinic hydrocarbons that are free of aromatics, oxygen and sulfur and
have high cetane numbers.
In this paper, NOx – particulate emission trade-off and
NOx – fuel consumption trade-off are studied using different fuel injection timing
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