Preliminary studies on mud stabilization / solidification, from textile laundry treatments, for re-utilization as building mortar
Autor(a) principal: | |
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Data de Publicação: | 2008 |
Outros Autores: | , , , , |
Tipo de documento: | Artigo |
Idioma: | por |
Título da fonte: | Acta scientiarum. Technology (Online) |
Texto Completo: | http://www.periodicos.uem.br/ojs/index.php/ActaSciTechnol/article/view/2494 |
Resumo: | The laundries and industrial dry cleaner's generate liquid effluents that, after treatment for matter in suspension floculation, produce sludge. This residue has varied chemical composition, due to the products used in the process. Such residue is considered inadequate for in natura disposition in the environment, and it should have, as final destination, an industrial landfill. In the studied case, such industrial landfill is not available and the residues are truck-driven for about 400 Km, causing a strong financial impact over the production of an emergent local textile industry market. This work presents the physical-chemical characterization of the sludge produced by an industrial laundry, studying its final disposition in the process of E/S addition in Portland cement, seeking its re-utilization in civil construction materials, to minimize this residue's final disposition costs. The analysis contemplated: COD total, fixed and volatile solids in the sludge, sludge density, pH and metals presence. The presence of the metals: Fe, Mg, Al, Sn, Ca, Cr, Co, Cu, Mn and Zn was detected in the sludge. The incorporation of this sludge in mortar was studied as residue final destination. Samples of this mortar were submitted to compression resistance analysis. Results demonstrate that the mortar with sludge contents lower than 25% in relation to the cement mass, after 28 days, shows mechanical resistance values larger than 10 Mpa, being fit to be used as civil construction secondary material, without structural function. Posterior studies will be necessary to evaluate the organic matter influence in the composite's durability. |
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Preliminary studies on mud stabilization / solidification, from textile laundry treatments, for re-utilization as building mortarEstudos preliminares sobre estabilização/solidificação - e/s - de lodo de tratamento de lavanderia têxtil para reutilização como argamassa de construção: exame de caso para Maringá, Estado do Paranáefluentes líquidoslodo têxtilE/Sreutilizaçãoargamassas de construção3.06.00.00-6 Engenharia QuímicaThe laundries and industrial dry cleaner's generate liquid effluents that, after treatment for matter in suspension floculation, produce sludge. This residue has varied chemical composition, due to the products used in the process. Such residue is considered inadequate for in natura disposition in the environment, and it should have, as final destination, an industrial landfill. In the studied case, such industrial landfill is not available and the residues are truck-driven for about 400 Km, causing a strong financial impact over the production of an emergent local textile industry market. This work presents the physical-chemical characterization of the sludge produced by an industrial laundry, studying its final disposition in the process of E/S addition in Portland cement, seeking its re-utilization in civil construction materials, to minimize this residue's final disposition costs. The analysis contemplated: COD total, fixed and volatile solids in the sludge, sludge density, pH and metals presence. The presence of the metals: Fe, Mg, Al, Sn, Ca, Cr, Co, Cu, Mn and Zn was detected in the sludge. The incorporation of this sludge in mortar was studied as residue final destination. Samples of this mortar were submitted to compression resistance analysis. Results demonstrate that the mortar with sludge contents lower than 25% in relation to the cement mass, after 28 days, shows mechanical resistance values larger than 10 Mpa, being fit to be used as civil construction secondary material, without structural function. Posterior studies will be necessary to evaluate the organic matter influence in the composite's durability.As lavanderias e tinturarias industriais geram efluentes líquidos que, após tratamento por decantação da matéria em suspensão, produzem lodo. Esse resíduo tem composição química variada em virtude dos produtos usados no processo. Tal resíduo é considerado inadequado para a disposição, in natura, no meio ambiente, devendo ter como destinação final um aterro industrial. No caso em exame, não se dispõe desse tipo de aterro, e os resíduos são transportados por via rodoviária até cerca de 400km de distância, causando um forte impacto financeiro na produção de um emergente mercado local de indústria têxtil e de confecção. Este trabalho apresenta a caracterização físico-química do lodo proveniente de uma lavanderia industrial, para o estudo de sua disposição final, em processo de E/S, em pasta de cimento e em argamassa de cimento e areia normal. A adição de cimento portland - CPI 32 ou CP II Z - visa ao seu reaproveitamento em materiais de construção civil e objetiva minimizar os custos de disposição final deste resíduo. Nesta caracterização, analisaram-se: sedimentação, DQO, sólidos totais, fixos e voláteis no lodo, densidade, pH, e a presença de metais, sendo detectada a presença dos metais Fe, Mg, Al, Sn, Ca, Cr, Co, Cu, Mn e Zn. Corpos de prova de pasta e argamassa foram submetidos à análise de resistência à compressão e também testes de lixiviação na argamassa. Os resultados demonstraram que na pasta de cimento e lodo os valores de resistência mecânica, aos 28 dias, atingem valores maiores que 10 MPa. E, as argamassas com adição de teores de lodo menores que 25% em relação à massa de cimento, possuem valores de resistência mecânica maiores que 10 Mpa, aos 28 dias, o que permite sua utilização como material de construção civil secundário, sem função estrutural. Também de maneira geral, a lixiviação ocorrida nos corpos de prova de argamassa sem lodo incorporado foi da mesma ordem de grandeza daquela encontrada nos corpos de prova contendo lodo. Isso leva à conclusão de que a argamassa permite uma incorporação segura dos metais detectados no lodo de lavanderia. Estudos posteriores serão necessários para avaliar a influência de matéria orgânica na durabilidade do compósito.Universidade Estadual De Maringá2008-04-22info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttp://www.periodicos.uem.br/ojs/index.php/ActaSciTechnol/article/view/249410.4025/actascitechnol.v24i0.2494Acta Scientiarum. Technology; Vol 24 (2002); 1659-1664Acta Scientiarum. Technology; v. 24 (2002); 1659-16641806-25631807-8664reponame:Acta scientiarum. Technology (Online)instname:Universidade Estadual de Maringá (UEM)instacron:UEMporhttp://www.periodicos.uem.br/ojs/index.php/ActaSciTechnol/article/view/2494/1562Pietrobon, Carmen Lúcia da RochaBitencourt, Michely Patrícia deGimenes, Marcelino LuísBergamasco, RosângelaColanzi, JansenPietrobom, Claudio Emanuelinfo:eu-repo/semantics/openAccess2024-05-17T13:02:45Zoai:periodicos.uem.br/ojs:article/2494Revistahttps://www.periodicos.uem.br/ojs/index.php/ActaSciTechnol/indexPUBhttps://www.periodicos.uem.br/ojs/index.php/ActaSciTechnol/oai||actatech@uem.br1807-86641806-2563opendoar:2024-05-17T13:02:45Acta scientiarum. Technology (Online) - Universidade Estadual de Maringá (UEM)false |
dc.title.none.fl_str_mv |
Preliminary studies on mud stabilization / solidification, from textile laundry treatments, for re-utilization as building mortar Estudos preliminares sobre estabilização/solidificação - e/s - de lodo de tratamento de lavanderia têxtil para reutilização como argamassa de construção: exame de caso para Maringá, Estado do Paraná |
title |
Preliminary studies on mud stabilization / solidification, from textile laundry treatments, for re-utilization as building mortar |
spellingShingle |
Preliminary studies on mud stabilization / solidification, from textile laundry treatments, for re-utilization as building mortar Pietrobon, Carmen Lúcia da Rocha efluentes líquidos lodo têxtil E/S reutilização argamassas de construção 3.06.00.00-6 Engenharia Química |
title_short |
Preliminary studies on mud stabilization / solidification, from textile laundry treatments, for re-utilization as building mortar |
title_full |
Preliminary studies on mud stabilization / solidification, from textile laundry treatments, for re-utilization as building mortar |
title_fullStr |
Preliminary studies on mud stabilization / solidification, from textile laundry treatments, for re-utilization as building mortar |
title_full_unstemmed |
Preliminary studies on mud stabilization / solidification, from textile laundry treatments, for re-utilization as building mortar |
title_sort |
Preliminary studies on mud stabilization / solidification, from textile laundry treatments, for re-utilization as building mortar |
author |
Pietrobon, Carmen Lúcia da Rocha |
author_facet |
Pietrobon, Carmen Lúcia da Rocha Bitencourt, Michely Patrícia de Gimenes, Marcelino Luís Bergamasco, Rosângela Colanzi, Jansen Pietrobom, Claudio Emanuel |
author_role |
author |
author2 |
Bitencourt, Michely Patrícia de Gimenes, Marcelino Luís Bergamasco, Rosângela Colanzi, Jansen Pietrobom, Claudio Emanuel |
author2_role |
author author author author author |
dc.contributor.author.fl_str_mv |
Pietrobon, Carmen Lúcia da Rocha Bitencourt, Michely Patrícia de Gimenes, Marcelino Luís Bergamasco, Rosângela Colanzi, Jansen Pietrobom, Claudio Emanuel |
dc.subject.por.fl_str_mv |
efluentes líquidos lodo têxtil E/S reutilização argamassas de construção 3.06.00.00-6 Engenharia Química |
topic |
efluentes líquidos lodo têxtil E/S reutilização argamassas de construção 3.06.00.00-6 Engenharia Química |
description |
The laundries and industrial dry cleaner's generate liquid effluents that, after treatment for matter in suspension floculation, produce sludge. This residue has varied chemical composition, due to the products used in the process. Such residue is considered inadequate for in natura disposition in the environment, and it should have, as final destination, an industrial landfill. In the studied case, such industrial landfill is not available and the residues are truck-driven for about 400 Km, causing a strong financial impact over the production of an emergent local textile industry market. This work presents the physical-chemical characterization of the sludge produced by an industrial laundry, studying its final disposition in the process of E/S addition in Portland cement, seeking its re-utilization in civil construction materials, to minimize this residue's final disposition costs. The analysis contemplated: COD total, fixed and volatile solids in the sludge, sludge density, pH and metals presence. The presence of the metals: Fe, Mg, Al, Sn, Ca, Cr, Co, Cu, Mn and Zn was detected in the sludge. The incorporation of this sludge in mortar was studied as residue final destination. Samples of this mortar were submitted to compression resistance analysis. Results demonstrate that the mortar with sludge contents lower than 25% in relation to the cement mass, after 28 days, shows mechanical resistance values larger than 10 Mpa, being fit to be used as civil construction secondary material, without structural function. Posterior studies will be necessary to evaluate the organic matter influence in the composite's durability. |
publishDate |
2008 |
dc.date.none.fl_str_mv |
2008-04-22 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://www.periodicos.uem.br/ojs/index.php/ActaSciTechnol/article/view/2494 10.4025/actascitechnol.v24i0.2494 |
url |
http://www.periodicos.uem.br/ojs/index.php/ActaSciTechnol/article/view/2494 |
identifier_str_mv |
10.4025/actascitechnol.v24i0.2494 |
dc.language.iso.fl_str_mv |
por |
language |
por |
dc.relation.none.fl_str_mv |
http://www.periodicos.uem.br/ojs/index.php/ActaSciTechnol/article/view/2494/1562 |
dc.rights.driver.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 |
Universidade Estadual De Maringá |
publisher.none.fl_str_mv |
Universidade Estadual De Maringá |
dc.source.none.fl_str_mv |
Acta Scientiarum. Technology; Vol 24 (2002); 1659-1664 Acta Scientiarum. Technology; v. 24 (2002); 1659-1664 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_ |
1799315332118085632 |