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Publication


Featured researches published by Lademir Luiz Beal.


Engenharia Sanitaria E Ambiental | 2010

Filtro anaeróbio associado à membrana de microfiltração tratando lixiviado de aterro sanitário

Marisa Dacanal; Lademir Luiz Beal

The objective of this paper was to evaluate the performance of anaerobic filter associated with a microfiltration membrane, treating landfill leachate. The results obtained showed that it is possible to treat wastewater using this MBR configuration with a hydraulic retention time of 2.04 days. The average values of organic volumetric load were 5.07 ± 2.90 kg COD/m3.d at the inlet of both reactors. The efficiencies of chemical oxygen demand (COD) removal were 90.4% to the anaerobic filter associated with microfiltration and 21.5% to the anaerobic filter. The turbidity removal was 90.3% to the MBR configuration with average values at the outlet of 2.0 ± 2.0 NTU. Values of upflow velocity of 31.5 m/h were reported in the anaerobic filter associated with microfiltration membrane and 0.05 m/h in the anaerobic filter which promoted a Reynolds number of 2.9 and 1,799, respectively.


Engenharia Sanitaria E Ambiental | 2010

Conservação da água aplicada a uma indústria de papelão ondulado

Cristiano Corrêa Weber; Luiz Fernando de Abreu Cybis; Lademir Luiz Beal

O principal objetivo deste artigo foi estabelecer estrategias para a conservacao da agua em uma industria de embalagens de papelao ondulado (PO). O uso racional e o reuso da agua foram as ferramentas de conservacao escolhidas para melhorar o desempenho ambiental da planta estudada. Apos essas intervencoes, o consumo medio de agua foi reduzido em 45%, e o consumo especifico caiu de 213,11 para 89,41 mL de agua por metro quadrado de PO. Como resultado final, alem da reducao no consumo de agua, os efluentes tratados passaram a cumprir a legislacao ambiental.


Información tecnológica | 2014

Simulación de un Reactor Anaerobio Discontinuo utilizado para la Producción de Hidrógeno mediante Dinámica de Fluidos Computacional

Guilherme Z. Maurina; Leonardo M. Rosa; Lademir Luiz Beal; Saulo Varela Della Giustina

Se ha evaluado el comportamiento hidrodinamico de un reactor de fermentacion anaerobia a traves de simulaciones numericas tridimensionales, usando Dinamica de Fluidos Computacional con el software OpenFOAM®. Se evaluaron dos condiciones de funcionamiento: una con regimen de circulacion hacia abajo y otra en la direccion opuesta. Se considero un modelo bifasico, transitorio y turbulento. Los resultados obtenidos con flujo de recirculacion hacia arriba indican una optimizacion del proceso con este regimen. Esto implica una mayor porcion turbulenta en el interior del biorreactor y una mejor mezcla sin comprometer la integridad de los granulos.


Journal of Membrane Science | 2008

Assessment of saccharide fractionation by ultrafiltration and nanofiltration

Isabel Catarino; Miguel Minhalma; Lademir Luiz Beal; Marília Mateus; Maria Norberta de Pinho


International Journal of Hydrogen Energy | 2016

Selection and identification of microorganisms present in the treatment of wastewater and activated sludge to produce biohydrogen from glycerol

Liliane Poleto; Patricia Souza; Flaviane Eva Magrini; Lademir Luiz Beal; Ana Paula R. Torres; Maíra Paula de Sousa; Jomar Pereira Laurino; Suelen Paesi


Food Analytical Methods | 2017

Determination of Pesticide Residues in Whole Wheat Flour Using Modified QuEChERS and LC–MS/MS

Aline B. Bordin; Luciane Minetto; Irajá do Nascimento Filho; Lademir Luiz Beal; Sidnei Moura


International Journal of Hydrogen Energy | 2016

Hydrogen production by photocatalytic water splitting using poly(allylamine hydrochloride)/poly(acrylic acid)/TiO2/copper chlorophyllin self-assembled thin films

Mário César Vebber; A.C.R. Faria; N. Dal'Acqua; Lademir Luiz Beal; G. Fetter; Giovanna Machado; Marcelo Giovanela; Janaina S. Crespo


Environmental Science and Pollution Research | 2016

Popular pharmaceutical residues in hospital wastewater: quantification and qualification of degradation products by mass spectroscopy after treatment with membrane bioreactor

Marilda Chiarello; Luciane Minetto; Giustina Sv; Lademir Luiz Beal; Sidnei Moura


Desalination | 2006

Optimization of saccharide fractionation using nanofiltration/ultrafiltration

Miguel Minhalma; Lademir Luiz Beal; Isabel Catarino; Marília Mateus; Maria Norberta de Pinho


Brazilian Journal of Chemical Engineering | 2014

Effect of internal recirculation velocity in an anaerobic sequencing batch reactor (ASBR)

Guilherme Z. Maurina; Leonardo M. Rosa; Lademir Luiz Beal; C. Baldasso; J. R. Gimenez; Ana Paula R. Torres; Maíra Paula de Sousa

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Luiz Olinto Monteggia

Universidade Federal do Rio Grande do Sul

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Leonardo M. Rosa

University of Caxias do Sul

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Lenara Meneghel

University of Caxias do Sul

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Marisa Dacanal

University of Caxias do Sul

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Neide Pessin

University of Caxias do Sul

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C. Baldasso

University of Caxias do Sul

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