Study of Coconut Biodiesel Transesterification Optimum Parameters to Investigate Diesel Engine Performance with Exhaust Gas Emission Analysis

Study of Coconut Biodiesel Transesterification Optimum Parameters to Investigate Diesel Engine Performance with Exhaust Gas Emission Analysis

Biodiesel is one of the renewable alternative fuels, which can be obtained from vegetable oils or animal fats. Biodiesel’s global demand has increased significantly over the last decade. The continuous rise in demand requires new technology to produce biodiesel in a more efficient and environmental...

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Main Author: Abdussalam Khan Bin, Mustafa Khan
Format: Thesis
Language:English
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Published: 2023
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TJ Mechanical engineering and machinery
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institution Universiti Malaysia Sarawak
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topic TJ Mechanical engineering and machinery
spellingShingle TJ Mechanical engineering and machinery
Abdussalam Khan Bin, Mustafa Khan
Study of Coconut Biodiesel Transesterification Optimum Parameters to Investigate Diesel Engine Performance with Exhaust Gas Emission Analysis
description Biodiesel is one of the renewable alternative fuels, which can be obtained from vegetable oils or animal fats. Biodiesel’s global demand has increased significantly over the last decade. The continuous rise in demand requires new technology to produce biodiesel in a more efficient and environmental way. Current biodiesel technology mainly produces biodiesel from crop oils that are commonly edible. Edible oil such as crude coconut oil (COCO) is used in this study. Titration method was performed to indicate crude coconut oil free fatty acid (FFA) value. FFA value of COCO determines which method of transesterification to be performed. This study focuses on acid/base catalysed transesterification using homogenous catalyst to produce biodiesel (fatty acid methyl ester) (FAME) from COCO. The optimum parameters of coconut biodiesel (CB) production were studied as well as the physicochemical properties, engine performance and emission analysis. Based on titration performed, FFA value was high with 14.82%. The optimum condition for producing coconut biodiesel were determined to be 0.01:1 v: v catalyst to oil ratio, 0.6:1 v: v methanol to oil ratio, with one hour reaction time at 55°C reaction temperature in acid catalysed esterification process. Whereas for base catalysed transesterification process, the optimum parameters were 0.015:1 w/w catalyst to oil ratio, 6:1 w/w methanol to oil ratio with two (2) hours reaction temperature at 60°C. The optimum condition of acid/base catalysed transesterification produces 98% of ester yield and 95% of biodiesel yield. The engine performance result shows that the engine power output and the mechanical efficiency dropped compared to conventional diesel. On the other hand, the specific fuel consumption increases with the increasing biodiesel blend. For emission analysis, the hydrocarbon and carbon monoxide decrease with the increasing biodiesel blend whereas the nitrogen oxides increased.
format Thesis
qualification_level Master's degree
author Abdussalam Khan Bin, Mustafa Khan
author_facet Abdussalam Khan Bin, Mustafa Khan
author_sort Abdussalam Khan Bin, Mustafa Khan
title Study of Coconut Biodiesel Transesterification Optimum Parameters to Investigate Diesel Engine Performance with Exhaust Gas Emission Analysis
title_short Study of Coconut Biodiesel Transesterification Optimum Parameters to Investigate Diesel Engine Performance with Exhaust Gas Emission Analysis
title_full Study of Coconut Biodiesel Transesterification Optimum Parameters to Investigate Diesel Engine Performance with Exhaust Gas Emission Analysis
title_fullStr Study of Coconut Biodiesel Transesterification Optimum Parameters to Investigate Diesel Engine Performance with Exhaust Gas Emission Analysis
title_full_unstemmed Study of Coconut Biodiesel Transesterification Optimum Parameters to Investigate Diesel Engine Performance with Exhaust Gas Emission Analysis
title_sort study of coconut biodiesel transesterification optimum parameters to investigate diesel engine performance with exhaust gas emission analysis
granting_institution Universiti Malaysia Sarawak
granting_department Faculty of Engineering
publishDate 2023
url http://ir.unimas.my/id/eprint/43071/3/Abdussalam%20_dsva.pdf
http://ir.unimas.my/id/eprint/43071/4/Thesis%20master_Abdussalam%20-%2024%20pages.pdf
http://ir.unimas.my/id/eprint/43071/5/Thesis%20master_Abdussalam.ftext.pdf
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spelling my-unimas-ir.430712023-10-19T01:53:19Z Study of Coconut Biodiesel Transesterification Optimum Parameters to Investigate Diesel Engine Performance with Exhaust Gas Emission Analysis 2023-09-20 Abdussalam Khan Bin, Mustafa Khan TJ Mechanical engineering and machinery Biodiesel is one of the renewable alternative fuels, which can be obtained from vegetable oils or animal fats. Biodiesel’s global demand has increased significantly over the last decade. The continuous rise in demand requires new technology to produce biodiesel in a more efficient and environmental way. Current biodiesel technology mainly produces biodiesel from crop oils that are commonly edible. Edible oil such as crude coconut oil (COCO) is used in this study. Titration method was performed to indicate crude coconut oil free fatty acid (FFA) value. FFA value of COCO determines which method of transesterification to be performed. This study focuses on acid/base catalysed transesterification using homogenous catalyst to produce biodiesel (fatty acid methyl ester) (FAME) from COCO. The optimum parameters of coconut biodiesel (CB) production were studied as well as the physicochemical properties, engine performance and emission analysis. Based on titration performed, FFA value was high with 14.82%. The optimum condition for producing coconut biodiesel were determined to be 0.01:1 v: v catalyst to oil ratio, 0.6:1 v: v methanol to oil ratio, with one hour reaction time at 55°C reaction temperature in acid catalysed esterification process. Whereas for base catalysed transesterification process, the optimum parameters were 0.015:1 w/w catalyst to oil ratio, 6:1 w/w methanol to oil ratio with two (2) hours reaction temperature at 60°C. The optimum condition of acid/base catalysed transesterification produces 98% of ester yield and 95% of biodiesel yield. The engine performance result shows that the engine power output and the mechanical efficiency dropped compared to conventional diesel. On the other hand, the specific fuel consumption increases with the increasing biodiesel blend. For emission analysis, the hydrocarbon and carbon monoxide decrease with the increasing biodiesel blend whereas the nitrogen oxides increased. Universiti Malaysia Sarawak 2023-09 Thesis http://ir.unimas.my/id/eprint/43071/ http://ir.unimas.my/id/eprint/43071/3/Abdussalam%20_dsva.pdf text en staffonly http://ir.unimas.my/id/eprint/43071/4/Thesis%20master_Abdussalam%20-%2024%20pages.pdf text en public http://ir.unimas.my/id/eprint/43071/5/Thesis%20master_Abdussalam.ftext.pdf text en validuser masters Universiti Malaysia Sarawak Faculty of Engineering Abbaszaadeh, A., Ghobadian, B., Omidkhah, M. R., & Najafi, G. (2012). Current biodiesel production technologies: A comparative review. 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