Use of solar energy for biodiesel production and use of biodiesel waste as a green reaction solvent

Sustainable Chemical Processes

Brian M Agee¹  Gene Mullins²  Daniel J Swartling² 

[1] Department of Environmental Sciences, Tennessee Technological University, Cookeville 38505, TN, USA

[2] Department of Chemistry, Tennessee Technological University, Cookeville 38505, TN, USA

关键词: Reactions and methods;    Solar energy;    Green chemistry;    Wolff-Kishner reduction;    Biofuel synthesis;    Biodiesel synthesis;    Solar reflector;    Solar organic synthesis;   

Others  :  1216790
DOI  :  10.1186/s40508-014-0021-2

 received in 2014-07-07, accepted in 2014-09-23,  发布年份 2014

【 摘 要 】

Due to the depletion of fossil fuel energy sources, new alternative energy sources are becoming prevalent in our society. Biodiesel has been recognized as an attractive replacement for depleting energy sources since it is produced mainly from vegetable oils and animal fats, is a renewable resource, and is non-toxic. The synthesis of biodiesel involves heating a triglyceride with methanol (or ethanol) under strongly basic conditions. Since fossil fuels are used for electrical energy in the United States, the amount of electricity required to heat this reaction requires the use of non-renewable resources. An effective means for minimizing the amount of electricity needed to drive chemical reactions to completion is proposed through the use of solar parabolic reflectors. In this study, a technique was developed to incorporate recently proposed solar reflectors developed from satellite dishes into the synthetic procedure for biodiesel. Through the use of our technique, the generation of carbon dioxide waste during biodiesel production has been eliminated. Another area of environmental concern in biodiesel production is the generation of waste by-products (glycerol). A technique has been developed that incorporates the use of recovered biodiesel waste glycerol as the solvent system for Wolff-Kishner reduction reactions. The reduction of isobutyryl chloride has been performed successfully using biodiesel waste glycerol as the solvent system and solar irradiation as the heat source for the chemical reaction.

【 授权许可】

   
2014 Agee et al.; licensee Springer.

【 图 表 】

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