Batch and continuous flow systems during the acid pre-extraction stage in the alginate extraction process

Acid pre-extraction in the production process of alginates was investigated in two stages using Macrocystis pyrifera as raw material. In the first stage, the possibility of reducing the normality of the hydrochloric acid used in a continuous flow system was tested by varying the concentration of the...

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Detalhes bibliográficos
Autores: Arvizu-Higuera, DL, Hernández-Carmona, G, Rodríguez-Montesinos, YE
Tipo de documento: artigo
Estado:Versão publicada
Data de publicação:1995
País:México
Recursos:UNIVERSIDAD AUTÓNOMA DE BAJA CALIFORNIA
Repositório:Ciencias Marinas
Idioma:inglês
OAI Identifier:oai:cienciasmarinas.com.mx:article/983
Acesso em linha:https://www.cienciasmarinas.com.mx/index.php/cmarinas/article/view/983
Access Level:Acceso aberto
Palavra-chave:Macrocystis
alginic acid
alginates
process
pre-extraction
ácido algínico
alginatos
proceso
preextracción
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spelling Batch and continuous flow systems during the acid pre-extraction stage in the alginate extraction processSistemas de carga y de flujo continuo durante la etapa de preextracción ácida en el proceso de extracción de alginatosArvizu-Higuera, DLHernández-Carmona, GRodríguez-Montesinos, YEMacrocystisalginic acidalginatesprocesspre-extractionMacrocystisácido algínicoalginatosprocesopreextracciónAcid pre-extraction in the production process of alginates was investigated in two stages using Macrocystis pyrifera as raw material. In the first stage, the possibility of reducing the normality of the hydrochloric acid used in a continuous flow system was tested by varying the concentration of the acid between 0.2 and 0.006N. The percentage of calcium ions exchanged was considered as the variable response. lt was found that with this system it is possible to use 0.05N as the minimum concentration of hydrochloric acid without affecting the alginate yield. In the second stage, the continuous flow system using the conditions established in the first stage was compared to a three batch system at pH 4. It was found that the continuous flow system exchanges 76% of the ions present in the algae, while the batch system exchanges 50%. There is no significant difference in the yield, but the quality of the alginates, measured in terms of viscosity, is 55% greater using the batch system. The use of the batch system reduces hydrochloric acid consumption by 85.9%, water consumption by 25% and therefore reduces production costs.Se estudió la preextracción ácida del proceso de producción de alginatos en dos etapas, empleando muestras de Macrocystis pyrifera. En la primera etapa, se experimentó la posibilidad de reducir la normalidad del ácido clorhídrico empleada en un sistema de flujo continuo, variando la concentración entre 0.2N y 0.006N, y se consideró como variable de respuesta el porcentaje de iones calcio intercambiados. Se encontró que con este sistema es posible emplear una concentración mínima de ácido clorhídrico de 0.05N sin afectar el rendimiento de alginatos. En la segunda etapa se comparó el sistema de flujo continuo bajo las condiciones establecidas en la primera etapa, con un sistema de tres cargas a pH 4. Se encontró que el sistema de flujo continuo libera 76% de los iones presentes en el alga, mientras que el sistema de carga libera 50% de éstos. No hay una diferencia significativa en el rendimiento, pero la calidad de los alginatos, medida en términos de viscosidad, es 55% mayor con el sistema de carga. El uso de este último reduce el consumo de ácido clorhídrico en 85.9% y el consumo de agua en 25%, con la consecuente disminución de costos de producción.Iniversidad Autónoma de Baja California1995-03-06info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionPeer-reviewed Article Artículo Arbitradoapplication/pdfhttps://www.cienciasmarinas.com.mx/index.php/cmarinas/article/view/98310.7773/cm.v21i1.983Ciencias Marinas; Vol. 21 No. 1 (1995); 25-37Ciencias Marinas; Vol. 21 Núm. 1 (1995); 25-372395-90530185-3880reponame:Ciencias Marinasinstname:UNIVERSIDAD AUTÓNOMA DE BAJA CALIFORNIAinstacron:UABCenghttps://www.cienciasmarinas.com.mx/index.php/cmarinas/article/view/983/904info:eu-repo/semantics/openAccessoai:cienciasmarinas.com.mx:article/9832024-08-22T17:01:37Z
dc.title.none.fl_str_mv Batch and continuous flow systems during the acid pre-extraction stage in the alginate extraction process
Sistemas de carga y de flujo continuo durante la etapa de preextracción ácida en el proceso de extracción de alginatos
title Batch and continuous flow systems during the acid pre-extraction stage in the alginate extraction process
spellingShingle Batch and continuous flow systems during the acid pre-extraction stage in the alginate extraction process
Arvizu-Higuera, DL
Macrocystis
alginic acid
alginates
process
pre-extraction
Macrocystis
ácido algínico
alginatos
proceso
preextracción
title_short Batch and continuous flow systems during the acid pre-extraction stage in the alginate extraction process
title_full Batch and continuous flow systems during the acid pre-extraction stage in the alginate extraction process
title_fullStr Batch and continuous flow systems during the acid pre-extraction stage in the alginate extraction process
title_full_unstemmed Batch and continuous flow systems during the acid pre-extraction stage in the alginate extraction process
title_sort Batch and continuous flow systems during the acid pre-extraction stage in the alginate extraction process
dc.creator.none.fl_str_mv Arvizu-Higuera, DL
Hernández-Carmona, G
Rodríguez-Montesinos, YE
author Arvizu-Higuera, DL
author_facet Arvizu-Higuera, DL
Hernández-Carmona, G
Rodríguez-Montesinos, YE
author_role author
author2 Hernández-Carmona, G
Rodríguez-Montesinos, YE
author2_role author
author
dc.subject.none.fl_str_mv Macrocystis
alginic acid
alginates
process
pre-extraction
Macrocystis
ácido algínico
alginatos
proceso
preextracción
topic Macrocystis
alginic acid
alginates
process
pre-extraction
Macrocystis
ácido algínico
alginatos
proceso
preextracción
description Acid pre-extraction in the production process of alginates was investigated in two stages using Macrocystis pyrifera as raw material. In the first stage, the possibility of reducing the normality of the hydrochloric acid used in a continuous flow system was tested by varying the concentration of the acid between 0.2 and 0.006N. The percentage of calcium ions exchanged was considered as the variable response. lt was found that with this system it is possible to use 0.05N as the minimum concentration of hydrochloric acid without affecting the alginate yield. In the second stage, the continuous flow system using the conditions established in the first stage was compared to a three batch system at pH 4. It was found that the continuous flow system exchanges 76% of the ions present in the algae, while the batch system exchanges 50%. There is no significant difference in the yield, but the quality of the alginates, measured in terms of viscosity, is 55% greater using the batch system. The use of the batch system reduces hydrochloric acid consumption by 85.9%, water consumption by 25% and therefore reduces production costs.
publishDate 1995
dc.date.none.fl_str_mv 1995-03-06
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
Peer-reviewed Article
Artículo Arbitrado
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv https://www.cienciasmarinas.com.mx/index.php/cmarinas/article/view/983
10.7773/cm.v21i1.983
url https://www.cienciasmarinas.com.mx/index.php/cmarinas/article/view/983
identifier_str_mv 10.7773/cm.v21i1.983
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv https://www.cienciasmarinas.com.mx/index.php/cmarinas/article/view/983/904
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Iniversidad Autónoma de Baja California
publisher.none.fl_str_mv Iniversidad Autónoma de Baja California
dc.source.none.fl_str_mv Ciencias Marinas; Vol. 21 No. 1 (1995); 25-37
Ciencias Marinas; Vol. 21 Núm. 1 (1995); 25-37
2395-9053
0185-3880
reponame:Ciencias Marinas
instname:UNIVERSIDAD AUTÓNOMA DE BAJA CALIFORNIA
instacron:UABC
instname_str UNIVERSIDAD AUTÓNOMA DE BAJA CALIFORNIA
instacron_str UABC
institution UABC
reponame_str Ciencias Marinas
collection Ciencias Marinas
repository.name.fl_str_mv
repository.mail.fl_str_mv
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score 15,812429

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