Feasibility of edible oil vs. non-edible oil vs. waste edible oil as biodiesel feedstock

M. M. Gui, K. T. Lee*, S. Bhatia

*Corresponding author for this work

Research output: Contribution to journalReview article

658 Citations (Scopus)

Abstract

Biodiesel has high potential as a new and renewable energy source in the future, as a substitution fuel for petroleum-derived diesel and can be used in existing diesel engine without modification. Currently, more than 95% of the world biodiesel is produced from edible oil which is easily available on large scale from the agricultural industry. However, continuous and large-scale production of biodiesel from edible oil without proper planning may cause negative impact to the world, such as depletion of food supply leading to economic imbalance. A possible solution to overcome this problem is to use non-edible oil or waste edible oil (WEO). In this context, the next question that comes in mind would be if the use of non-edible oil overcomes the short-comings of using edible oil. Apart from that, if WEO were to be used, is it sufficient to meet the demand of biodiesel. All these issues will be addressed in this paper by discussing the advantages and disadvantages of using edible oil vs. non-edible vs. WEO as feedstock for biodiesel production. The discussion will cover various aspects ranging from oil composition, oil yield, economics, cultivation requirements, land availability and also the resources availability. Finally, a proposed solution will be presented.

Original languageEnglish
Pages (from-to)1646-1653
Number of pages8
JournalEnergy
Volume33
Issue number11
DOIs
Publication statusPublished - 01 Jan 2008

Fingerprint

Biodiesel
Oils and fats
Feedstocks
Availability
Food supply
Economics
Oils
Diesel engines
Substitution reactions
Crude oil
Planning
Chemical analysis
Industry

Keywords

  • Biodiesel
  • Edible oil
  • Non-edible oil
  • Waste edible oil

Cite this

Gui, M. M. ; Lee, K. T. ; Bhatia, S. / Feasibility of edible oil vs. non-edible oil vs. waste edible oil as biodiesel feedstock. In: Energy. 2008 ; Vol. 33, No. 11. pp. 1646-1653.
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Feasibility of edible oil vs. non-edible oil vs. waste edible oil as biodiesel feedstock. / Gui, M. M.; Lee, K. T.; Bhatia, S.

In: Energy, Vol. 33, No. 11, 01.01.2008, p. 1646-1653.

Research output: Contribution to journalReview article

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AB - Biodiesel has high potential as a new and renewable energy source in the future, as a substitution fuel for petroleum-derived diesel and can be used in existing diesel engine without modification. Currently, more than 95% of the world biodiesel is produced from edible oil which is easily available on large scale from the agricultural industry. However, continuous and large-scale production of biodiesel from edible oil without proper planning may cause negative impact to the world, such as depletion of food supply leading to economic imbalance. A possible solution to overcome this problem is to use non-edible oil or waste edible oil (WEO). In this context, the next question that comes in mind would be if the use of non-edible oil overcomes the short-comings of using edible oil. Apart from that, if WEO were to be used, is it sufficient to meet the demand of biodiesel. All these issues will be addressed in this paper by discussing the advantages and disadvantages of using edible oil vs. non-edible vs. WEO as feedstock for biodiesel production. The discussion will cover various aspects ranging from oil composition, oil yield, economics, cultivation requirements, land availability and also the resources availability. Finally, a proposed solution will be presented.

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