Emission analysis of Botryococcus braunii algal biofuel using Ni-Doped ZnO nano additives for IC engines

ABSTRACT

Microalgae biodiesel has been considered ​as a clean renewable fuel for diesel marine engines. This is due to its optimistic characterizations such as ​rapid growth rate, high productivity, and its ability to convert CO₂ into fuel. In this study, the use of microalgae biodiesel, obtained from Botryococcus braunii, as an alternative fuel for diesel marine engines has been investigated. The diesel engine is verified experimentally using Ni-Doped ZnO nano additive blends with algae biodiesel and neat diesel fuel. The results showed that doped nano additive blends​ produce less emission compared to B20.

KEYWORDS:

• Biodiesel
• Botryococcus braunii algae
• emission
• nanoadditives
• ultrasonicator

Nomenclature and abbreviations

CO Carbon monoxide

HC Hydrocarbon

NOx Oxides of nitrogen

CO₂ Carbon dioxide

BBO Botryococcus braunii oil

BBOME Botryococcus braunii oil methyl ester

rpm Revolutions per minute

B20 80% diesel + 20% Botryococcus brauniioil methyl ester

B20+50 ppm 80% Diesel + 20% Botryococcus braunii oil methyl ester + 50 ppm of Ni-doped ZnO

B20+100 ppm 80% diesel + 20% Botryococcus braunii oil methyl ester + 100 ppm of Ni-doped ZnO

CI Compression ignition

FT IR Fourier transform infrared

XRD X-ray diffraction

CH3OH CH₃OH

FFA Free fatty acids