Batch culture growth of Chlorella zofingiensis on effluent derived from two-stage anaerobic digestion of two-phase olive mill solid waste

This paper presents the use of an effluent derived from two-stage anaerobic digestion of two-phase olive mill solid waste (OMSW) as a substrate for the production of Chlorella zofingiensis in batch mode. Chlorella zofingiensis when grown autotrophycally can accumulate significant quantities of valua...

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Autores principales:	Travieso Córdoba,Lissette, Domínguez Bocanegra,Alma Rosa, Rincón Llorente,Bárbara, Sánchez Hernández,Enrique, Benítez Echegoyen,Francisco, Borja,Rafael, Raposo Bejines,Francisco, Colmenarejo Morcillo,Manuel Francisco
Lenguaje:	English
Publicado:	Pontificia Universidad Católica de Valparaíso 2008
Materias:	batch culture Chlorella zofingiensis kinetic parameters substrate two-phase olive mill solid waste two-stage anaerobic digestion
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-34582008000200003
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spelling	oai:scielo:S0717-345820080002000032009-01-21Batch culture growth of Chlorella zofingiensis on effluent derived from two-stage anaerobic digestion of two-phase olive mill solid wasteTravieso Córdoba,LissetteDomínguez Bocanegra,Alma RosaRincón Llorente,BárbaraSánchez Hernández,EnriqueBenítez Echegoyen,FranciscoBorja,RafaelRaposo Bejines,FranciscoColmenarejo Morcillo,Manuel Francisco batch culture Chlorella zofingiensis kinetic parameters substrate two-phase olive mill solid waste two-stage anaerobic digestion This paper presents the use of an effluent derived from two-stage anaerobic digestion of two-phase olive mill solid waste (OMSW) as a substrate for the production of Chlorella zofingiensis in batch mode. Chlorella zofingiensis when grown autotrophycally can accumulate significant quantities of valuable carotenoids which are used as an additive in fish and poultry farming, as colorants in foods and in health care products. It was found that two-phase OMSW previously treated by two-stage anaerobic digestion and further sterilized may be used as a culture medium for the microalgae Chlorella zofingiensis. Typical growth curves were obtained using both the above-mentioned anaerobic effluent and a synthetic medium. Total chemical oxygen demand (TCOD) and soluble chemical oxygen demand (SCOD) removals of 37% and 45% respectively were achieved in batch experiments after 11 days’ operation time. The specific growth rate was lower when the treated effluent was used as the feed substrate (0.02 h-1) in comparison to the synthetic medium (0.03 h-1). The specific growth rates of the exponential phases were determined by using a first-order kinetic model applied to chlorophyll a (Ca) and total chlorophyll (TC) concentrations, as indirect measurements of the microalgae concentration. It was concluded that the effluent from two-stage anaerobic digestion of two-phase OMSW constituted an appropriate culture medium for the growth of Chlorella zofingiensis, providing a simple technology feasible for producing a very useful product for animal feeding.info:eu-repo/semantics/openAccessPontificia Universidad Católica de ValparaísoElectronic Journal of Biotechnology v.11 n.2 20082008-04-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-34582008000200003en10.4067/S0717-34582008000200003
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	batch culture Chlorella zofingiensis kinetic parameters substrate two-phase olive mill solid waste two-stage anaerobic digestion
spellingShingle	batch culture Chlorella zofingiensis kinetic parameters substrate two-phase olive mill solid waste two-stage anaerobic digestion Travieso Córdoba,Lissette Domínguez Bocanegra,Alma Rosa Rincón Llorente,Bárbara Sánchez Hernández,Enrique Benítez Echegoyen,Francisco Borja,Rafael Raposo Bejines,Francisco Colmenarejo Morcillo,Manuel Francisco Batch culture growth of Chlorella zofingiensis on effluent derived from two-stage anaerobic digestion of two-phase olive mill solid waste
description	This paper presents the use of an effluent derived from two-stage anaerobic digestion of two-phase olive mill solid waste (OMSW) as a substrate for the production of Chlorella zofingiensis in batch mode. Chlorella zofingiensis when grown autotrophycally can accumulate significant quantities of valuable carotenoids which are used as an additive in fish and poultry farming, as colorants in foods and in health care products. It was found that two-phase OMSW previously treated by two-stage anaerobic digestion and further sterilized may be used as a culture medium for the microalgae Chlorella zofingiensis. Typical growth curves were obtained using both the above-mentioned anaerobic effluent and a synthetic medium. Total chemical oxygen demand (TCOD) and soluble chemical oxygen demand (SCOD) removals of 37% and 45% respectively were achieved in batch experiments after 11 days’ operation time. The specific growth rate was lower when the treated effluent was used as the feed substrate (0.02 h-1) in comparison to the synthetic medium (0.03 h-1). The specific growth rates of the exponential phases were determined by using a first-order kinetic model applied to chlorophyll a (Ca) and total chlorophyll (TC) concentrations, as indirect measurements of the microalgae concentration. It was concluded that the effluent from two-stage anaerobic digestion of two-phase OMSW constituted an appropriate culture medium for the growth of Chlorella zofingiensis, providing a simple technology feasible for producing a very useful product for animal feeding.
author	Travieso Córdoba,Lissette Domínguez Bocanegra,Alma Rosa Rincón Llorente,Bárbara Sánchez Hernández,Enrique Benítez Echegoyen,Francisco Borja,Rafael Raposo Bejines,Francisco Colmenarejo Morcillo,Manuel Francisco
author_facet	Travieso Córdoba,Lissette Domínguez Bocanegra,Alma Rosa Rincón Llorente,Bárbara Sánchez Hernández,Enrique Benítez Echegoyen,Francisco Borja,Rafael Raposo Bejines,Francisco Colmenarejo Morcillo,Manuel Francisco
author_sort	Travieso Córdoba,Lissette
title	Batch culture growth of Chlorella zofingiensis on effluent derived from two-stage anaerobic digestion of two-phase olive mill solid waste
title_short	Batch culture growth of Chlorella zofingiensis on effluent derived from two-stage anaerobic digestion of two-phase olive mill solid waste
title_full	Batch culture growth of Chlorella zofingiensis on effluent derived from two-stage anaerobic digestion of two-phase olive mill solid waste
title_fullStr	Batch culture growth of Chlorella zofingiensis on effluent derived from two-stage anaerobic digestion of two-phase olive mill solid waste
title_full_unstemmed	Batch culture growth of Chlorella zofingiensis on effluent derived from two-stage anaerobic digestion of two-phase olive mill solid waste
title_sort	batch culture growth of chlorella zofingiensis on effluent derived from two-stage anaerobic digestion of two-phase olive mill solid waste
publisher	Pontificia Universidad Católica de Valparaíso
publishDate	2008
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-34582008000200003
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Batch culture growth of Chlorella zofingiensis on effluent derived from two-stage anaerobic digestion of two-phase olive mill solid waste

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