Journal of Food, Agriculture and Environment

Performance analysis of a diesel cycle engine running on biodiesel from waste frying oil and its reduction on gas emissions


Mireille Sato*, Jair Antonio da Cruz Siqueira, Maurício Guy de Andrade, Helton Aparecido Rosa, Samuel Nelson Melegari de Souza, Carlos Eduardo Camargo Nogueira, Elisandro Pires Frigo

Recieved Date: 2015-09-07, Accepted Date: 2015-12-20


The growing environmental concern along with the need for finding a replacement for fossil energy have led to the development of alternative fuels made from vegetable oils by the process of transesterification, producing biodiesel, which can be used in diesel cycle engines with no alterations. Biodiesel from waste frying oil shows an advantage over other types of biodiesel, as it does not require the process of oil extraction, thus providing a sustainable destination to the discard of residual oil as well as not competing with food production. Thus, the present work aimed to assess the specific fuel consumption (SFC), thermal efficiency and emissions of carbon monoxide (CO), nitric oxide (NO) and nitrogen oxides (NOx), in a cycle diesel engine-generator set, using biodiesel from waste frying oil (B 100) and diesel (B 0) as fuel. The engine-generator set used in the study was a model BD 6500CF with 7.36 kW (10 cv) of power and 5.5 kVA/5.0 kW of nominal power, with an average output tension of 120/240 V monophase. Nominal loads applied varied between 1.0 and 5.0 kW. In order to quantify gas emissions, a combustion and emission quality analyzer was used, model PCA®3, Bacharach Inc. This study showed higher efficiency and lower exhaust gas emissions with the use of biodiesel when compared to regular diesel.


Combustion gases, energy generation, specific fuel consumption

Journal: Journal of Food, Agriculture and Environment
Year: 2016
Volume: 14
Issue: 1
Category: Agriculture
Pages: 46-50

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