Document Detail

Optimization of biodiesel production from animal fat residue in wastewater using response surface methodology.
MedLine Citation:
PMID:  23262006     Owner:  NLM     Status:  Publisher    
Animal fat residues (AFR) from waste water were used as feedstock to produce biodiesel by a two-step acid-catalyzed process. Treatment of the AFRs with 5.4% (w/w) of 17M H(2)SO(4) at a methanol/AFR ratio of 13:1 (50%w/w) at 60°C converted more than 95% of the triglycerides into fatty acid methyl esters (FAMEs) with an acid value (AV) of 1.3mg(KOH)/g(biodiesel). Response surface methodology indicated that a lower AV cannot be reached using a one-step acid catalyzed process. Thus a two-step acid catalyzed process was employed using 3.6% catalyst and 30% methanol for 5h for the first step and 1.8% catalyst and 10% methanol for 1h in the second step, resulting in a yield higher than 98% and an AV of 0.3mg(KOH)/g(biodiesel). The product thus conforms to the European norm EN14214 concerning biodiesel.
Sary Awad; Maria Paraschiv; Edwin Geo Varuvel; Mohand Tazerout
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-11-28
Journal Detail:
Title:  Bioresource technology     Volume:  129C     ISSN:  1873-2976     ISO Abbreviation:  Bioresour. Technol.     Publication Date:  2012 Nov 
Date Detail:
Created Date:  2012-12-24     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9889523     Medline TA:  Bioresour Technol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  315-320     Citation Subset:  -    
Copyright Information:
Copyright © 2012 Elsevier Ltd. All rights reserved.
École des Mines de Nantes, Département Systèmes Energétiques et Environnement, (DSEE), GEPEA, CNRS-UMR 6144, 4 rue Alfred Kastler, BP20722, 44307 Nantes Cedex 03, France. Electronic address:
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