Effect of impurities in biodiesel-derived waste glycerol on the performance and feasibility of biotechnological processes

dc.contributor.author	Chatzifragkou, A	en
dc.contributor.author	Papanikolaou, S	en
dc.date.accessioned	2014-06-06T06:51:44Z
dc.date.available	2014-06-06T06:51:44Z
dc.date.issued	2012	en
dc.identifier.issn	01757598	en
dc.identifier.uri	http://dx.doi.org/10.1007/s00253-012-4111-3	en
dc.identifier.uri	http://62.217.125.90/xmlui/handle/123456789/5663
dc.subject	Biodiesel	en
dc.subject	Biotechnological conversions	en
dc.subject	Crude glycerol	en
dc.subject	Fermentations	en
dc.subject	Impurities	en
dc.subject.other	Biodiesel plants	en
dc.subject.other	Biodiesel production	en
dc.subject.other	Biotechnological conversions	en
dc.subject.other	Biotechnological process	en
dc.subject.other	Crude glycerol	en
dc.subject.other	Effective management	en
dc.subject.other	Eukaryotic microorganisms	en
dc.subject.other	Impurities in	en
dc.subject.other	Metabolic products	en
dc.subject.other	Microbial strain	en
dc.subject.other	Production process	en
dc.subject.other	Rapid development	en
dc.subject.other	Biodiesel	en
dc.subject.other	Biotechnology	en
dc.subject.other	Fermentation	en
dc.subject.other	Glycerol	en
dc.subject.other	Heavy metals	en
dc.subject.other	Impurities	en
dc.subject.other	Methanol	en
dc.subject.other	Bioconversion	en
dc.subject.other	alcohol	en
dc.subject.other	biodiesel	en
dc.subject.other	biosurfactant	en
dc.subject.other	carboxylic acid	en
dc.subject.other	docosahexaenoic acid	en
dc.subject.other	fatty acid	en
dc.subject.other	glycerol	en
dc.subject.other	heavy metal	en
dc.subject.other	hydrochloric acid	en
dc.subject.other	hydrogen	en
dc.subject.other	hydroxybutyric acid	en
dc.subject.other	icosapentaenoic acid	en
dc.subject.other	linoleic acid	en
dc.subject.other	methanol	en
dc.subject.other	oleic acid	en
dc.subject.other	polyhydroxyalkanoic acid	en
dc.subject.other	sodium chloride	en
dc.subject.other	water	en
dc.subject.other	alcohol	en
dc.subject.other	biofuel	en
dc.subject.other	biotechnology	en
dc.subject.other	fermentation	en
dc.subject.other	industrial technology	en
dc.subject.other	industrial waste	en
dc.subject.other	metabolism	en
dc.subject.other	microbial activity	en
dc.subject.other	performance assessment	en
dc.subject.other	pollutant	en
dc.subject.other	pollutant removal	en
dc.subject.other	purification	en
dc.subject.other	recycling	en
dc.subject.other	waste treatment	en
dc.subject.other	aerobic fermentation	en
dc.subject.other	anaerobic fermentation	en
dc.subject.other	bacterial strain	en
dc.subject.other	biocatalyst	en
dc.subject.other	biochemical composition	en
dc.subject.other	bioreactor	en
dc.subject.other	biotechnological procedures	en
dc.subject.other	biotechnological production	en
dc.subject.other	biotransformation	en
dc.subject.other	chemical reaction	en
dc.subject.other	chemical waste	en
dc.subject.other	Clostridium	en
dc.subject.other	Enterobacteriaceae	en
dc.subject.other	fermentation technique	en
dc.subject.other	industrial waste	en
dc.subject.other	microbial growth	en
dc.subject.other	microbial kinetics	en
dc.subject.other	nonhuman	en
dc.subject.other	purification	en
dc.subject.other	quality control	en
dc.subject.other	short survey	en
dc.subject.other	transesterification	en
dc.subject.other	waste gas management	en
dc.subject.other	Bacteria	en
dc.subject.other	Biofuels	en
dc.subject.other	Biotechnology	en
dc.subject.other	Eukaryota	en
dc.subject.other	Fermentation	en
dc.subject.other	Glycerol	en
dc.subject.other	Industrial Waste	en
dc.subject.other	Eukaryota	en
dc.subject.other	Prokaryota	en
dc.title	Effect of impurities in biodiesel-derived waste glycerol on the performance and feasibility of biotechnological processes	en
heal.type	other	en
heal.identifier.primary	10.1007/s00253-012-4111-3	en
heal.publicationDate	2012	en
heal.abstract	The rapid development of biodiesel production technology has led to the generation of tremendous quantities of glycerol wastes, as the main by-product of the process. Stoichiometrically, it has been calculated that for every 100 kg of biodiesel, 10 kg of glycerol are produced. Based on the technology imposed by various biodiesel plants, glycerol wastes may contain numerous kinds of impurities such as methanol, salts, soaps, heavy metals, and residual fatty acids. This fact often renders biodiesel-derived glycerol unprofitable for further purification. Therefore, the utilization of crude glycerol though biotechnological means represents a promising alternative for the effective management of this industrial waste. This review summarizes the effect of various impurities-contaminants that are found in biodiesel-derived crude glycerol upon its conversion by microbial strains in biotechnological processes. Insights are given concerning the technologies that are currently applied in biodiesel production, with emphasis to the impurities that are added in the composition of crude glycerol, through each step of the production process. Moreover, extensive discussion is made in relation with the impact of the nature of impurities upon the performances of prokaryotic and eukaryotic microorganisms, during crude glycerol bioconversions into a variety of high added-value metabolic products. Finally, aspects concerning ways of crude glycerol treatment for the removal of inhibitory contaminants as reported in the literature are given and comprehensively discussed. © 2012 Springer-Verlag.	en
heal.journalName	Applied Microbiology and Biotechnology	en
dc.identifier.issue	1	en
dc.identifier.volume	95	en
dc.identifier.doi	10.1007/s00253-012-4111-3	en
dc.identifier.spage	13	en
dc.identifier.epage	27	en