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Síntese e caracterização de zeólitas ZSM-5 por diferentes rotas e seu emprego na produção de olefinas leves a partir de etanol
(Universidade Federal de Santa Maria, 2014-08-12)
This work aims the synthesis and study of ZSM-5 catalysts for the conversion of
ethanol to light olefins, especially, using an alternative and inexpensive route. The
ethanol emerges as a renewable source for the production ...
Bioaumentação em reatores anaeróbio e aeróbio e uso de reator nitrificante para redução da carga orgânica e nitrogenada
(Universidade Federal de Santa Maria, 2012-01-13)
Agro-industrial effluents are capable of causing great impact on water bodies if released without adequate treatment. The removal of the organic load in the conventional biological treatments is achieved with high generation ...
Avaliação da aplicação de CO2 supercrítico na presença de cosolventes para a reciclagem de placas de circuito impresso de celulares
(Universidade Federal de Santa Maria, 2015-03-06)
Technological development and intensive marketing support the growth of demand for electrical and electronic equipment (EEE), which have as a primary component printed circuit boards (PCBs). These devices have become ...
Comparação de técnicas para concentração de índio de telas de LCD e aplicação de eletro-obtenção
(Universidade Federal de Santa Maria, 2015-12-18)
Because of the constant introduction of new technologies to market growth of electronic waste generation has gained importance on the world stage, among these residues are cell phones. Deliver useful life increasingly ...
Utilização de CO2 supercrítico e ácidos orgânicos na lixiviação de índio presente em telas de lcd de telefones celulares
(Universidade Federal de Santa Maria, 2015-07-15)
The growth in the generation of electrical and electronic equipment waste (WEEE) has won global importance and cell phones are highlighted between these wastes because of short life cycle and its amounts of hazardous ...
Produção de olefinas leves a partir de etanol em ZSM-5 sintetizada sem direcionador nitrogenado
(Universidade Federal de Santa Maria, 2015-03-05)
The petrochemical industry is currently strongly based on the production of light olefins ethylene and propylene, which are mainly produced by hydrocarbons from oil. Due to the environmental appeal and unstable oil market ...
Avaliação do ciclo de vida das etapas de construção e operação de sistemas de manejo de dejetos suínos
(Universidade Federal de Santa Maria, 2018-02-28)
The intensified swine production in Brazil brings the need to evaluate, develop and apply alternative management technologies that minimize negative impacts to the environment. Thus, the main objective of this study was ...
Remoção de carga orgânica de efluente hospitalar por reator de leito móvel com biofilme, em escala de bancada
(Universidade Federal de Santa Maria, 2014-05-02)
Moving bed biofilm reactors (MBBR) were developed in the end of last century in Norway, and have excelled over other processes, and incorporate great features of biological wastewater treatment. In the process, the ...
Caracterização e separação de materiais presentes em resíduos serviços de saúde
(Universidade Federal de Santa Maria, 2013-05-03)
Não foi possível inserir o abstract.
Remoção de nitrogênio ou fósforo presente em efluentes agroindustriais pela precipitação de estruvita
(Universidade Federal de Santa Maria, 2011-07-19)
Given the potential of the use of physical-chemical process in wastewater treatment, this project aimed to study the reduction of phosphorus and / or nitrogen
present in effluents and liquid manure from pigs, meat slaughter ...