Ultrasonics Sonochemistry, ( ISI ), Year (2019-7)

Title : ( Effect of Ultrasonic Irradiation on the Properties and Performance of Biodiesel Produced from Date Seed Oil Used in the Diesel Engine )

Authors: HASSANAIN AL-LAMI , Mohammad Tabasizadeh , Abbas Rohani , Hamed Nayebzadeh , Abdulali Farzad ,

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Abstract

In the present study, the effect of ultrasound irradiation on the transesterification parameters, biodiesel properties, and its combustion profiles in the diesel engine was investigated. Moreover, Date Seed Oil (DSO) was firstly utilized in the ultrasound-assisted transesterification reaction. DSO was extracted from Zahidi type date (Phoenix dactylifera) and was esterified to reduce its Free Fatty Acid (FFA) content. Biodiesel yield was optimized in both heating methods, so that the yield of 96.4% (containing 93.5% ester) at 60 °C, with 6 molar ratio of methanol/oil, 1 wt. % of catalyst (NaOH) and at 90 min of reaction time was reported. The ultrasound irradiation did not influence the reaction conditions except reaction time, reduced to 5 min (96.9% yield and 91.9% ester). The ultrasonic irradiation also influenced on the physicochemical properties of DSO biodiesel and improved its combustion in the diesel engine. The analysis results related to the engine and gas emission confirmed that the ultrasound-assisted produced biodiesel has lower density and viscosity, and higher oxygen content facilitating injection of fuel in the engine chamber and its combustion, respectively. Although, B40 (biodiesel blend consisting of 40.% biodiesel and 60 % net diesel fuel) as a blend of both fuels presented higher CO2 and lower CO and HC in the emissions, the DSO biodiesel produced by ultrasound irradiation presented better specifications (caused about 2-fold improvement in emissions than that of conventional method). The findings of the study confirmed the positive effect of the ultrasound irradiation on the properties of the produced biodiesel along with its combustion properties in the diesel engine, consequently reducing air pollution problems.

Keywords

, Date seed oil (DSO); Ultrasonic irradiation; Optimization; Biodiesel; Engine Performance, Exhaust emissions
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@article{paperid:1075188,
author = {AL-LAMI, HASSANAIN and Tabasizadeh, Mohammad and Rohani, Abbas and Hamed Nayebzadeh and Farzad, Abdulali},
title = {Effect of Ultrasonic Irradiation on the Properties and Performance of Biodiesel Produced from Date Seed Oil Used in the Diesel Engine},
journal = {Ultrasonics Sonochemistry},
year = {2019},
month = {July},
issn = {1350-4177},
keywords = {Date seed oil (DSO); Ultrasonic irradiation; Optimization; Biodiesel; Engine Performance; Exhaust emissions},
}

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%0 Journal Article
%T Effect of Ultrasonic Irradiation on the Properties and Performance of Biodiesel Produced from Date Seed Oil Used in the Diesel Engine
%A AL-LAMI, HASSANAIN
%A Tabasizadeh, Mohammad
%A Rohani, Abbas
%A Hamed Nayebzadeh
%A Farzad, Abdulali
%J Ultrasonics Sonochemistry
%@ 1350-4177
%D 2019

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