Gases Retention
Mostrando 1-12 de 19 artigos, teses e dissertações.
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1. Liquid Bovine Biofertilizer and Cultivation Effects on the Porosity of a Typic Haplocambids as a Function of Cultivation and Dose
ABSTRACT The soil porous space is where processes related to gases and soil solution occur, and provides an adequate guide for agricultural practices. This study aimed to evaluate the integrated effects of cultivation and the application of liquid bovine biofertilizer on the porous network of a Typic Haplocambids (Cambissolo Háplico Ta Eutrófico) cultivate
Rev. Bras. Ciênc. Solo. Publicado em: 28/07/2016
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2. Losses through gases and effluent and nutritional value of Brachiaria decumbens with addition of soybean hulls
The objective of this experiment was to evaluate the losses of nutrient through gases and effluents, the nutrient recovery, fermentation parameters and the chemical parameters of silages of Brachiaria decumbens with the addition of soybean hulls, testing five levels of inclusion: 0, 10, 20, 30 and 40% (as is), with five replications per treatment. After the
R. Bras. Zootec.. Publicado em: 2014-05
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3. Remoção de matéria orgânica carbonácea e nitrogênio em Reator Aeróbio-Anóxico de Leito Fixo (RAALF) aplicado ao pós-tratamento de efluente de reator anaeróbio / Removal of carbonaceous organic matter and nitrogen in an Aerobic-Anoxic Fix Bed Reactor (AAFBR) applied to the tertiary treatment of domestic wastewater
This work presents the Aerobic-Anoxic Fix Bed Reactor (AAFBR), with superimposed chambers, as an alternative concerning the post-treatment of anaerobic reactors efiluents aiming the removal of carbonaceous organic matter and nitrogen. Polyurethane foam cubic matrices (5 mm) were used packing material. Hydrodynamic essays were carried out in order to obtain t
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 22/07/2011
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4. AvaliaÃÃo da retenÃÃo de gases em camadas de cobertura de aterros de resÃduos sÃlidos
Municipal solid waste landfills final covers work as a seal interface between the wastese and the external environment. This sealing layer is also responsible to avoid the infiltration of water into the waste mass and the emission of gases to the atmosphere. These interventions show by they own how important are both project and execution of the top cover as
Publicado em: 2008
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5. Biofilter efficiencies in the purification and deodorization of hydrogen sulfide emissions / Desempenho de filtro biológico na depuração e desodorização de emissões de sulfeto de hidrogênio
Traditionally the industrial waste gases have been treated by physical-chemical processes, such as scrubbers, absorption, condensation and oxidation. Although these techniques presented great efficiency, the need to add chemical products and the replacement of adsorbent results in relatively high operational costs compared to biological treatment techniques.
Publicado em: 2007
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6. Studies about the loading of monoethanolamine (MEA) onto the non-ionic Amberlite XAD-7 resin for retention of S(IV) species / Estudos da modificação da resina não-iônica Amberlite XAD-7 com monoetanolamina (MEA) para retenção de espécies de S(IV)
A monoetanolamina (MEA) é um composto bifuncional pertencente à classe dos amino-álcoois, muito utilizado em processos industriais envolvendo a remoção de gases ácidos como SO2 , CO2 e H2S. A resina Amberlite XAD-7 é uma resina não-iônica de polaridade intermediária muito utilizada em procedimentos de pré-concentração de compostos orgânicos e �
Publicado em: 2007
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7. COMUNIDADE ZOOPLANCTÔNICA DE CINCO RESERVATÓRIOS TROPICAIS DO SISTEMA FURNAS S.A. (BRASIL): ABUNDÂNCIA E BIOMASSA EM CARBONO / COMUNIDADE ZOOPLANCTÔNICA DE CINCO RESERVATÓRIOS TROPICAIS DO SISTEMA FURNAS S.A. (BRASIL): ABUNDÂNCIA E BIOMASSA EM CARBONO
Gases generation, as contributor to the greenhouse, inside reservoirs it is one of the possible impacts caused for these systems to environment. Inside reservoirs, the zooplankton community had constituted one source of carbon so that this community would be also under influence of other physical, chemical and biological factors associated with morphometric
Publicado em: 2007
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8. Tratamento anaerÃbio de efluente de fecularia em reator horizontal de uma fase / Anaerobic treatment of waste cassava starch in one-phase horizontal reactor
A concentraÃÃo de indÃstrias processadoras de mandioca, nas regiÃes noroeste e oeste do Paranà e sul dos estados de Mato Grosso do Sul e SÃo Paulo, produz diariamente milhÃes de litros de manipueira diluÃda que, tratada em lagoas de estabilizaÃÃo, geram gases de efeito estufa, maus odores e impactam a paisagem. Esse estudo avaliou a digestÃo anaer
Publicado em: 2007
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9. Análise comparativa da eficiência entre as espécies florestais pinus taeda e araucaria angustifolia (bert.) o. ktze no seqüestro de co2 em reflorestamento na Região Sul do Brasil
The emission of polluted gases and its negative environmental effects has gained increasing importance in the last years, due the called global climate changes, caused by the heat retention in the atmosphere. And finding solution, emphasizing the Kyoto Protocol, where it motivates the capture of GEE through reforestation, over all, with species of fast growt
Publicado em: 2006
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10. Filtração de gases: estudo da deposição de diferentes tortas de filtração em diferentes meios filtrantes.
The particle retention inside a filter medium, after cleaning, significantly improves the initial pressure drop during the subsequent cycle, that is, the residual pressure drop. However, the way as these particles accommodate inside the filter isnt still very clear, as well as, its impact on filtering performance. This work aims to verify the spatial disposa
Publicado em: 2006
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11. Evaluation of the quality in a cohesive argisolic YELLOW LATOSOL - lax over the tableland soil, under a natural forest / Avaliação da qualidade de um LATOSSOLO AMARELO Coeso argissólico dos Tabuleiros Costeiros,sob floresta natural
The soil is a natural resource, whose functions in the healthy atmosphere are essential for the maintenance and development of life in the planet. Its capacity to function appropriately as substratum for vegetables filter and lid of residues, regulator of the flow of gases, water and energy is defined as the soil quality. The determination of the soil qualit
Publicado em: 2005
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12. Study of pineapple aroma retention in drying with normal and modified atmosphere / Estudo da retenção de aroma de abacaxi na secagem em atmosfera normal e modificada
Na secagem de determinados alimentos como frutas, juntamente com a água há também a evaporação de outras substâncias voláteis presentes em quantidades menores. Quando essas substâncias possuem características odoríferas, a qualidade do produto final seco pode ser prejudicada devido à diminuição do aroma. Por isso, torna-se interessante considera
Publicado em: 2005