Citric waste saccharification under different chemical treatments
Autor(a) principal: | |
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Data de Publicação: | 2015 |
Outros Autores: | , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Acta scientiarum. Technology (Online) |
Texto Completo: | http://www.periodicos.uem.br/ojs/index.php/ActaSciTechnol/article/view/28133 |
Resumo: | Second generation ethanol from lignocellulose materials has been used in applications for food processing wastes. Since Brazil has a leading position in orange juice exports, the influence of acid and alkali pretreatments on liquor saccharification, solubilization of solid fraction and mass yield was evaluated. Time and Cacid or Calkaline at different concentrations of solids (low to moderate, 1 to 9%) and high catalyst concentrations were analyzed. A hydrothermal pretreatment was conducted under the same conditions of acid and alkaline treatments to investigate the relative selectivity increase in using the catalysts. The chemical analyses of wastes indicated a 70% total carbohydrate level denoting a promising raw material for bioethanol production. Pretreatment caused acid saccharifications between 25 and 65% in total reducing sugars (TRS) and mass yields (MY) between 30 and 40%. In alkaline pretreatment, these rates ranged between 2 and 22.5% and between 30 and 80, respectively. In hydrothermal pretreatment, solubilized TRS varied between 3 and 37%, whereas MY remained between 45 and 60%, respectively. Cbiomass strongly influenced the three variables; in the same way, time affected MY. |
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Citric waste saccharification under different chemical treatmentspretreatmentbiomassexperimental designorange.Processos BioquimicosSecond generation ethanol from lignocellulose materials has been used in applications for food processing wastes. Since Brazil has a leading position in orange juice exports, the influence of acid and alkali pretreatments on liquor saccharification, solubilization of solid fraction and mass yield was evaluated. Time and Cacid or Calkaline at different concentrations of solids (low to moderate, 1 to 9%) and high catalyst concentrations were analyzed. A hydrothermal pretreatment was conducted under the same conditions of acid and alkaline treatments to investigate the relative selectivity increase in using the catalysts. The chemical analyses of wastes indicated a 70% total carbohydrate level denoting a promising raw material for bioethanol production. Pretreatment caused acid saccharifications between 25 and 65% in total reducing sugars (TRS) and mass yields (MY) between 30 and 40%. In alkaline pretreatment, these rates ranged between 2 and 22.5% and between 30 and 80, respectively. In hydrothermal pretreatment, solubilized TRS varied between 3 and 37%, whereas MY remained between 45 and 60%, respectively. Cbiomass strongly influenced the three variables; in the same way, time affected MY. Universidade Estadual De Maringá2015-10-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhidrolise quimica e termicaapplication/pdfapplication/pdfapplication/pdfapplication/pdfhttp://www.periodicos.uem.br/ojs/index.php/ActaSciTechnol/article/view/2813310.4025/actascitechnol.v37i4.28133Acta Scientiarum. Technology; Vol 37 No 4 (2015); 387-395Acta Scientiarum. Technology; v. 37 n. 4 (2015); 387-3951806-25631807-8664reponame:Acta scientiarum. Technology (Online)instname:Universidade Estadual de Maringá (UEM)instacron:UEMenghttp://www.periodicos.uem.br/ojs/index.php/ActaSciTechnol/article/view/28133/pdf_118http://www.periodicos.uem.br/ojs/index.php/ActaSciTechnol/article/view/28133/751375143894http://www.periodicos.uem.br/ojs/index.php/ActaSciTechnol/article/view/28133/751375144017http://www.periodicos.uem.br/ojs/index.php/ActaSciTechnol/article/view/28133/751375144018Silva, Carlos Eduardo de FariasGois, Georgia Nayane Silva BeloSilva, Livia Manuela Oliveira daAlmeida, Renata Maria Rosas GarciaAbud, Ana Karla de Souzainfo:eu-repo/semantics/openAccess2016-01-27T07:50:38Zoai:periodicos.uem.br/ojs:article/28133Revistahttps://www.periodicos.uem.br/ojs/index.php/ActaSciTechnol/indexPUBhttps://www.periodicos.uem.br/ojs/index.php/ActaSciTechnol/oai||actatech@uem.br1807-86641806-2563opendoar:2016-01-27T07:50:38Acta scientiarum. Technology (Online) - Universidade Estadual de Maringá (UEM)false |
dc.title.none.fl_str_mv |
Citric waste saccharification under different chemical treatments |
title |
Citric waste saccharification under different chemical treatments |
spellingShingle |
Citric waste saccharification under different chemical treatments Silva, Carlos Eduardo de Farias pretreatment biomass experimental design orange. Processos Bioquimicos |
title_short |
Citric waste saccharification under different chemical treatments |
title_full |
Citric waste saccharification under different chemical treatments |
title_fullStr |
Citric waste saccharification under different chemical treatments |
title_full_unstemmed |
Citric waste saccharification under different chemical treatments |
title_sort |
Citric waste saccharification under different chemical treatments |
author |
Silva, Carlos Eduardo de Farias |
author_facet |
Silva, Carlos Eduardo de Farias Gois, Georgia Nayane Silva Belo Silva, Livia Manuela Oliveira da Almeida, Renata Maria Rosas Garcia Abud, Ana Karla de Souza |
author_role |
author |
author2 |
Gois, Georgia Nayane Silva Belo Silva, Livia Manuela Oliveira da Almeida, Renata Maria Rosas Garcia Abud, Ana Karla de Souza |
author2_role |
author author author author |
dc.contributor.author.fl_str_mv |
Silva, Carlos Eduardo de Farias Gois, Georgia Nayane Silva Belo Silva, Livia Manuela Oliveira da Almeida, Renata Maria Rosas Garcia Abud, Ana Karla de Souza |
dc.subject.por.fl_str_mv |
pretreatment biomass experimental design orange. Processos Bioquimicos |
topic |
pretreatment biomass experimental design orange. Processos Bioquimicos |
description |
Second generation ethanol from lignocellulose materials has been used in applications for food processing wastes. Since Brazil has a leading position in orange juice exports, the influence of acid and alkali pretreatments on liquor saccharification, solubilization of solid fraction and mass yield was evaluated. Time and Cacid or Calkaline at different concentrations of solids (low to moderate, 1 to 9%) and high catalyst concentrations were analyzed. A hydrothermal pretreatment was conducted under the same conditions of acid and alkaline treatments to investigate the relative selectivity increase in using the catalysts. The chemical analyses of wastes indicated a 70% total carbohydrate level denoting a promising raw material for bioethanol production. Pretreatment caused acid saccharifications between 25 and 65% in total reducing sugars (TRS) and mass yields (MY) between 30 and 40%. In alkaline pretreatment, these rates ranged between 2 and 22.5% and between 30 and 80, respectively. In hydrothermal pretreatment, solubilized TRS varied between 3 and 37%, whereas MY remained between 45 and 60%, respectively. Cbiomass strongly influenced the three variables; in the same way, time affected MY. |
publishDate |
2015 |
dc.date.none.fl_str_mv |
2015-10-01 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion hidrolise quimica e termica |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://www.periodicos.uem.br/ojs/index.php/ActaSciTechnol/article/view/28133 10.4025/actascitechnol.v37i4.28133 |
url |
http://www.periodicos.uem.br/ojs/index.php/ActaSciTechnol/article/view/28133 |
identifier_str_mv |
10.4025/actascitechnol.v37i4.28133 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
http://www.periodicos.uem.br/ojs/index.php/ActaSciTechnol/article/view/28133/pdf_118 http://www.periodicos.uem.br/ojs/index.php/ActaSciTechnol/article/view/28133/751375143894 http://www.periodicos.uem.br/ojs/index.php/ActaSciTechnol/article/view/28133/751375144017 http://www.periodicos.uem.br/ojs/index.php/ActaSciTechnol/article/view/28133/751375144018 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf application/pdf application/pdf application/pdf |
dc.publisher.none.fl_str_mv |
Universidade Estadual De Maringá |
publisher.none.fl_str_mv |
Universidade Estadual De Maringá |
dc.source.none.fl_str_mv |
Acta Scientiarum. Technology; Vol 37 No 4 (2015); 387-395 Acta Scientiarum. Technology; v. 37 n. 4 (2015); 387-395 1806-2563 1807-8664 reponame:Acta scientiarum. Technology (Online) instname:Universidade Estadual de Maringá (UEM) instacron:UEM |
instname_str |
Universidade Estadual de Maringá (UEM) |
instacron_str |
UEM |
institution |
UEM |
reponame_str |
Acta scientiarum. Technology (Online) |
collection |
Acta scientiarum. Technology (Online) |
repository.name.fl_str_mv |
Acta scientiarum. Technology (Online) - Universidade Estadual de Maringá (UEM) |
repository.mail.fl_str_mv |
||actatech@uem.br |
_version_ |
1799315335878279168 |