Abstract
In order to clamp down on the illegal use of fishing boat fuel A (FBFA) and to reduce exhaust emissions in Taiwan, the residue from a desulfurization unit (RDS) and pyrolysis fuel oil (PFO) were added into FBFA with the ratio of 0.5% to form two new blended fuels (RDS0.5 and PFO0.5). The appearances of fuels from dark to light are RDS0.5, PFO0.5, and FBFA. The two new fuels have higher viscosity than FBFA, which may damage engines and reduce the misuse. The exhaust emissions of CO, HC, NOx, polycyclic aromatic hydrocarbons (PAHs), and carcinogenic potencies (BaPeq) were analyzed by the heavy duty diesel engine (HDDE) transient cycle test. The results show that RDS0.5 has significantly lower particulate matter (PM) emissions, while the PM emissions of PFO0.5 are higher than those of FBFA. In addition, the total PAHs emissions concentration of all three of fishing boat fuels increase from premium (regular) diesel fuel. However, RDS0.5 has relatively lower BaPeq emissions, which are usually considered as carcinogens, than the other fishing boat fuel.
Highlights
Fishery subsidies have recently been used to invigorate fisheries in many countries
Petroleum diesel fuel (PDF), (2) fishing boat fuel A (FBFA), (3) FBFA blended with 0.5 vol % residue of desulfurization unit (RDS0.5), and (4) FBFA blended with 0.5 vol % pyrolysis fuel oil (PFO0.5)
The study shows that the FBFA has more carbon monoxide (CO), HC, particulate matter (PM), and polycyclic aromatic hydrocarbons (PAHs) emissions compared to petroleum diesel fuel (PDF) in heavy duty diesel engine (HDDE), as suggested by Lin et al.’s research (Lin et al, 2006)
Summary
Fishery subsidies have recently been used to invigorate fisheries in many countries. In Taiwan, the premium price of fishing boat fuel A (FBFA) is set as NT$26–28, which while the carrying capacity per boat (metric ton/boats) decreased. There is an increase in fishing boat power per carrying capacity (hp/metric ton), which lead to even more FBFA being used illegally. This illegal use of FBFA wastes the subsidies and lowers competition in fishery industry, but increases the criteria gases and the emission of toxic pollutants. In recent years, increasing attention has been paid to the emissions from diesel engines, which like gasoline engine emissions, including carbon monoxide (CO), hydrocarbons (HC) and nitrogen oxides (NOx) (Williams et al, 1989; Schinder, 1992). About half of the particulate total-PAHs were in the ultrafine size range (Lin et al, 2008)
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