Home
This Title All WIREs
WIREs RSS Feed
How to cite this WIREs title:
WIREs Energy Environ.

Comparative analysis of biodiesel versus green diesel

Full article on Wiley Online Library:   HTML PDF

Can't access this content? Tell your librarian.

The use of biofuels is becoming more and more common because of both environmental and economical concerns. Several attempts have been made for the substitution of fossil fuels with other alternative fuels. An important feedstock for the production of biofuels fully adapted to modern engine technology is ester molecules derived from refined or crude vegetable oils and animal fats. Two distinct techniques have been applied for the transformation of the vegetable oil's esters into molecules compatible with petroleum diesel that is transesterification of ester molecules for the production of lighter esters by using an alcohol and hydrogenation of ester bonds for the production of linear hydrocarbons. The way both biofuels are produced is discussed in this work. Raw materials tested, production methods and systems investigated, feasibility of production of these fuels in plant and industrial scale and the main characteristics of the two fuels are included. WIREs Energy Environ 2014, 3:3–23. doi: 10.1002/wene.78

Transesterification of typical triglycerides using methanol.
[ Normal View | Magnified View ]
Coprocessing of vegetable oil and gas oil for the production of a mixture of diesel and green diesel.
[ Normal View | Magnified View ]
Schematic diagram of production of a mixture of diesel and green diesel with neat vegetable oil HDO and gas oil HDS.
[ Normal View | Magnified View ]
Hydrogenation of triglyceride via the three proposed reaction pathways.
[ Normal View | Magnified View ]
Industrial process steps for biodiesel production using waste oil with high concentration in FFAs. A pretreatment stage of the fatty acid is required before the transesterification for avoiding the formation of soaps or ester molecule's hydrolysis.
[ Normal View | Magnified View ]
Mechanism of acidic catalyzed transesterification. (Reproduced with permission from Ref 27. Copyright 1998, S.B.Q., Sociedade Brasileira de Química.)
[ Normal View | Magnified View ]
Mechanism of alkali catalyzed transesterification. (Reproduced with permission from Ref . Copyright 1998, S.B.Q., Sociedade Brasileira de Química.)
[ Normal View | Magnified View ]
Typical industrial process involving alkali catalysis.
[ Normal View | Magnified View ]

Browse by Topic

Bioenergy: Technologies and Fuels
Energy and Development > Science and Materials
Bioenergy: Technologies and Fuels > Science and Materials
blog comments powered by Disqus

Access to this WIREs title is by subscription only.

Recommend to Your
Librarian Now!

The latest WIREs articles in your inbox

Sign Up for Article Alerts

Twitter: GCB_Bioenergy Follow us on Twitter

    The first seven international standards in the rapidly expanding industry of solid biofuels have been established http://t.co/tifnRNYcAI