Incorporação de lodo gerado na Estação de Tratamento de Água Tamanduá, como ativo em massas para cerâmica vermelha
| Ano de defesa: | 2008 |
|---|---|
| Autor(a) principal: |
Tartari, Rodrigo
 |
| Orientador(a): |
Módenes, Aparecido Nivaldo
|
| Banca de defesa: |
Pianaro, Sidnei Antonio
,
Quiñones, Fernando Rodolfo Espinoza
|
| Tipo de documento: | Dissertação |
| Tipo de acesso: | Acesso aberto |
| Idioma: | por |
| Instituição de defesa: |
Universidade Estadual do Oeste do Paraná
Toledo |
| Programa de Pós-Graduação: |
Programa de Mestrado em Engenharia Química
|
| Departamento: |
Centro de Engenharias e Ciências Exatas
|
| País: |
BR
|
| Palavras-chave em Português: | |
| Palavras-chave em Inglês: | |
| Área do conhecimento CNPq: | |
| Link de acesso: | http://tede.unioeste.br:8080/tede/handle/tede/1873 |
Resumo: | The objective of this work is to research the development of methods for utilizing the sludge generated in the Tamanduá water treatment plant, located in the city of Foz do Iguaçu - PR, as a prime material for the production of red ceramic. For this purpose, it was used beyond the mud, four clays originating geological region of western Paraná, called: Plastic (OP) and Sand (AO) from Santa Rita Ceramic and Plastic (AP) and Sand (AA) from de Artisans Cooperative of Foz do Iguaçu PR (COOAFOZ), used for production of red ceramic. The methodology is divided into: characterization of the 5 materials for determination of humidity, organic matter, loss by fire, limits of sil consistency, residues, grain fineness, chemical and mineralogy, in the second phase of the investigation, seven binary mistures were made among the clays from Santa Rira Cermics and from COOAFOZ, varying the weight of both in proportion of 0, 30, 40, 50, 60, 70 and 100%. Were up 336 bodies of evidence by uniaxial pressing, tested dry and after sintering at temperatures of 950 o and 1050 °C, measured before the following tests: total linear contraction, water absorption, apparent porosity, loss by fire, apparent specific mass, strength the bending, scanning electron microscopy and microanalysis. It was found that the clay AP and OP showed characteristics of high plasticity with major composition of SiO2, Al2O3 and Fe2O3 and grains < 2μ equivalent to 19.4 and 21.6, respectively. When these clays the AP and OP in greater weight percentages in the mixtures, the intensities of interaction between clay processing were positively evaluate the physical-mechanical properties of bodies of evidence. Mixtures A1 (100% AP), A2 (70% AP + 30% AA), B1 (100% AP) and A2 (70% AP + 30% AA), showed better results on water absorption of less than 25% and resistance to bending than 60 kgf/cm2 at a temperature of 950 °C and more than 80 kgf/cm2 to 1050 oC. In these compositions, is incorporated 4, 8, 12 and 16% of dry sludge to determine the maximum permissible load without causing cracks and deformations. It was found that the sludge presented characteristics of silty clay of low plasticity, can replace clay similar to 8% in the production of red ceramic. According to analysis of results, have been building blocks of 6 holes for the method of extrusion incorporating 8% of wet mud is found that the physical mechanical properties evaluated were: linear contraction of 8.6%, 24% water absorption and 46 kgf /cm2 of resistance to compression, and within the rules for production of red ceramic coating for (bricks). It appears that the sludge was incorporated as the mass of wet clay, about 75% of initial water when received from the water treatment plant Tamanduá, contributing to process of maturation. It was concluded that based on the results obtained in the laboratory that the sludge generated in the water treatment plant of the unit Tamanduá in Foz do Iguaçu - PR can be used as an additive in the manufacture of bodies for red ceramic. |