Rapid purification of glycerol by-product from biodiesel production through combined process of microwave assisted acidification and adsorption via chitosan immobilized with yeast

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14 Citations (Scopus)

Abstract

Biodiesel is a proven alternative to the petroleum diesel fuel. During biodiesel production, glycerol is produced as a by-product. This by-product consist of impureties such as soap, salts, sodium catalyst and so on. Traditionally, two of the most conventional techniques that is applied to glycerol purification are distillation and ion-exchange. These techniques are, however, still expensive to generate pure glycerol. Recently, several alternative "combination" treatment procedures have been used. These treatment has several advantages over others methods such as producing large amounts of glycerol-rich layer that requires simple treatments and not causing any high operational cost. In this study, the combination treatment process have been used in order to reach high glycerol content. Basically, these stages starts with using microwave assisted acidification process and the next process utilizing a bioadsorbent synthesized from dead yeast cells immobilized on chitosan. The final yield of glycerol was about 93.1-94.2% (w/w).

Original languageEnglish
Pages (from-to)593-602
Number of pages10
JournalResearch Journal of Applied Sciences, Engineering and Technology
Volume7
Issue number3
DOIs
Publication statusPublished - 01 Jan 2014

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Acidification
Biodiesel
Glycerol
Chitosan
Yeast
Purification
Byproducts
Microwaves
Adsorption
Soaps (detergents)
Diesel fuels
Distillation
Ion exchange
Crude oil
Cells
Sodium
Salts
Catalysts
Costs

All Science Journal Classification (ASJC) codes

  • Computer Science(all)
  • Engineering(all)

Cite this

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