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Mostrando ítems 391-400 de 1333
Tratamento de esgoto doméstico em reator anaeróbio-aeróbio de leito fixo com recirculação da fase líquida
(Universidade Tecnológica Federal do ParanáCampo Mourao, 2013-09-11)
This completion of course work aimed to evaluate the performance of an anaerobic-aerobic fixed bed with and without recirculation of the liquid phase, the reactor immobilized with polyurethane foams and expanded clay, used ...
Use of a two-step process to denitrification of synthetic brines: electroreduction in a dual-chamber cell and catalytic reduction
(Springer Heidelberg, 2020-02)
Membrane separation processes are being currently applied to produce drinking water from water contaminated with nitrate. The overall process generates a brine with high nitrate/nitrite concentration that is usually send ...
Estudo e aplicações de nanomateriais multifuncionais: propriedades de transporte de nanotubos de titanato e novos materiais baseados em óxido de grafeno
(Universidade Federal de Minas GeraisUFMG, 2013-10-24)
In this work, we investigate the properties and applications of two multifunctional nanomaterials; titanate nanotubes (TNTs) and graphene oxide (GO). In the first part, TNTs were applied as hydrogen gas sensor and presented ...
Flexible Connections: Solutions and Challenges for the Integration of Renewables in South America
(IEEE, 2012)
Feed-in tariffs, quota systems, and auction schemes are all used to stimulate NCRE growth in South America. These methods present common challenges in terms of development, operation, and transmission. Common solutions to ...
Análise da viabilidade técnica e econômica de um mini gerador fotovoltaico conectado à rede: um estudo de caso no IFRN
(BrasilUFRNPROGRAMA DE PÓS-GRADUAÇÃO EM ENGENHARIA MECÂNICA, 2017-12-21)
According to national research companies, the Brazilian electrical matrix is almost totally composed by hydroelectric energy, around 65%. However, it is necessary to change our matrix in a way that makes it more secure for ...
Desinfección del agua a través de métodos electroquímicosWater desinfection by electrochemical eethods
(Universidad Autónoma del Estado de México, 2017)