Production of biodiesel from rubber seed

The objective of this research is to produce biodiesel from rubber seed oil.Rubber seed oil(RSO)was obtained from rubber seed by soxhlet and microwave assisted extraction methods.Hexane was used as a solvent in the soxhlet extraction process.The yield of oil from rubber seed by soxhlet extraction me...

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Main Author: Karthik, Vasutheavan
Format: Undergraduates Project Papers
Language:English
Published: 2012
Subjects:
Online Access:http://umpir.ump.edu.my/id/eprint/5119/
http://umpir.ump.edu.my/id/eprint/5119/
http://umpir.ump.edu.my/id/eprint/5119/1/CD6475.pdf
id ump-5119
recordtype eprints
spelling ump-51192015-03-03T09:23:12Z http://umpir.ump.edu.my/id/eprint/5119/ Production of biodiesel from rubber seed Karthik, Vasutheavan TP Chemical technology The objective of this research is to produce biodiesel from rubber seed oil.Rubber seed oil(RSO)was obtained from rubber seed by soxhlet and microwave assisted extraction methods.Hexane was used as a solvent in the soxhlet extraction process.The yield of oil from rubber seed by soxhlet extraction method was found to be higher (34 – 40%) than by the microwave extraction method(30 – 32%).The physic-chemical properties of the RSO was measured and it was found that the RSO contained 22 wt.% of free fatty acids (FFA).The viscosity of the oil was found as 33.2 cm2/s at 40oC. Biodiesel was prepared by two-step method,where in the first step,the FFA was converted to fatty acid ethyl ester(FAEE)by acid catalyzed esterification,and in the second step the triglycerides(TG)was converted to FAEE by base catalyzed transesterification.Effect of different parameters,such as ethanol/oil molar ratio,temperature, catalyst concentration had been studied for both steps.In the first step,which is acid catalyzed esterification,the optimum parameters were found as 1:6 molar ratio of oil to ethanol,0.5% of catalyst (H2SO4) and at 50oC.The product from the first step was separated in a separating funnel to draw off the excess alcohol,catalyst and water.The optimum parameters for the second step were as follows: 1:6 molar ratio of oil to ethanol,0.5wt.% of catalyst (NaOH) and temperature of 50oC.After gravity separation of biodiesel from the glycerene layer,it was washed with hot water until a translucent product was obtained.The biodiesel was dried in the rotary vacuum evaporator at 100C for 1 h and the product was characterized.The viscosity of the final biodiesel was found as 5.92 cm2/s and FFA content was undetectable.The gas chromatography analysis shows that the amount of methyl ester found in the sample is quite high. 2012-01 Undergraduates Project Papers NonPeerReviewed application/pdf en http://umpir.ump.edu.my/id/eprint/5119/1/CD6475.pdf Karthik, Vasutheavan (2012) Production of biodiesel from rubber seed. Faculty of Chemical & Natural Resource Engineering, Universiti Malaysia Pahang. http://iportal.ump.edu.my/lib/item?id=chamo:67951&theme=UMP2
repository_type Digital Repository
institution_category Local University
institution Universiti Malaysia Pahang
building UMP Institutional Repository
collection Online Access
language English
topic TP Chemical technology
spellingShingle TP Chemical technology
Karthik, Vasutheavan
Production of biodiesel from rubber seed
description The objective of this research is to produce biodiesel from rubber seed oil.Rubber seed oil(RSO)was obtained from rubber seed by soxhlet and microwave assisted extraction methods.Hexane was used as a solvent in the soxhlet extraction process.The yield of oil from rubber seed by soxhlet extraction method was found to be higher (34 – 40%) than by the microwave extraction method(30 – 32%).The physic-chemical properties of the RSO was measured and it was found that the RSO contained 22 wt.% of free fatty acids (FFA).The viscosity of the oil was found as 33.2 cm2/s at 40oC. Biodiesel was prepared by two-step method,where in the first step,the FFA was converted to fatty acid ethyl ester(FAEE)by acid catalyzed esterification,and in the second step the triglycerides(TG)was converted to FAEE by base catalyzed transesterification.Effect of different parameters,such as ethanol/oil molar ratio,temperature, catalyst concentration had been studied for both steps.In the first step,which is acid catalyzed esterification,the optimum parameters were found as 1:6 molar ratio of oil to ethanol,0.5% of catalyst (H2SO4) and at 50oC.The product from the first step was separated in a separating funnel to draw off the excess alcohol,catalyst and water.The optimum parameters for the second step were as follows: 1:6 molar ratio of oil to ethanol,0.5wt.% of catalyst (NaOH) and temperature of 50oC.After gravity separation of biodiesel from the glycerene layer,it was washed with hot water until a translucent product was obtained.The biodiesel was dried in the rotary vacuum evaporator at 100C for 1 h and the product was characterized.The viscosity of the final biodiesel was found as 5.92 cm2/s and FFA content was undetectable.The gas chromatography analysis shows that the amount of methyl ester found in the sample is quite high.
format Undergraduates Project Papers
author Karthik, Vasutheavan
author_facet Karthik, Vasutheavan
author_sort Karthik, Vasutheavan
title Production of biodiesel from rubber seed
title_short Production of biodiesel from rubber seed
title_full Production of biodiesel from rubber seed
title_fullStr Production of biodiesel from rubber seed
title_full_unstemmed Production of biodiesel from rubber seed
title_sort production of biodiesel from rubber seed
publishDate 2012
url http://umpir.ump.edu.my/id/eprint/5119/
http://umpir.ump.edu.my/id/eprint/5119/
http://umpir.ump.edu.my/id/eprint/5119/1/CD6475.pdf
first_indexed 2023-09-18T22:00:18Z
last_indexed 2023-09-18T22:00:18Z
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