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Journal of Environmental Biology

pISSN: 0254-8704 ; eISSN: 2394-0379 ; CODEN: JEBIDP

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        Abstract - Issue Nov 2016, 37 (6)                                                                                                             Back



nstantaneous and historical temperature effects on a-pinene

Bio-conversion of glycerol into commercial production of

1,3-propanediol - A review

 

Chozhavendhan Sivasankaran1,2, Kirubalini Govindaraj2 and Jayakumar Mani3*

1PRIST University, Thanjavur-613 403, India

2Arunai Engineering College, Tiruvannamalai-606 603, India

3Institute of Technology, Haramaya University, P.O. Box-138, Ethiopia

*Corresponding Author E-mail: drjkumar2012@gmail.com

 

 

Publication Data

Paper received:

20 September 2015

 

Revised received:

05 May 2016

 

Accepted:

24 August 2016

 

Abstract

Depletion of crude oil resources with consequent increase in price of petroleum fuel has led to significant increase in the production of fluid biofuels derived from renewable sources. Methyl esters of higher fatty acids, commonly called biodiesel, are made in the transesterification process. The dynamic growth of biodiesel production results in generation of huge amount of waste glycerol fraction, which constitutes a major obstacle in profitability of the process.Many microorganisms can utilize glycerol as a carbon and energy source for the production of high value products like bioplastics, ethanol, succinic acid, propanediol etc. Impurities present in waste glycerol may inhibit the growth of microorganism and hence, it requires purification process. Utilization of waste glycerol solves its disposal and environmental concerns. Products like polyesters and bioplastics obtained from 1, 3-propanediol are highly biodegradable with better specificity. This paper elucidates various microbes for production of emerging commodity 1, 3-propanediol by utilizing low grade waste glycerol.   

 

 

 Key words

Biodiesel, 1, 3-propanediol, Renewable sources, Waste glycerol

 

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