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Obtenção e caracterização de biocarvão a partir de bagaço de malte oriundo de cervejarias para utilização como adsorvente do corante azul de metileno
(Universidade Federal de Santa Maria, 2018-07-16)
An alternative activated biochar was developed from barley malt bagasse (BMB) through pyrolysis followed
CO2 activation. The materials BMB, biochar and activated biochar (CO2–biochar) were characterized and
tested as ...
Adsorção do corante verde malaquita utilizando palha de milho modificada por ultrassom
(Universidade Federal de Santa Maria, 2017-07-17)
Colored effluents containing dyes are generated in different industrial sectors, such as textiles, cellulose,
paper, leather, paint, among others. The treatment of these effluents is a current environmental problem, ...
Produção e caracterização de nano sílica modificada obtida de casca de arroz para a utilização como adsorvente de corantes
(Universidade Federal de Santa Maria, 2018-01-15)
The large generation of agro-industrial wastes around the world requires the search for alternatives to use these materials. Among the materials, rice husks are used in large scale in the industrial sector for energy ...
Geopolímero mesoporoso obtido a partir de metacaulim e cinza de casca de arroz como alternativa de adsorvente para remoção de corantes
(Universidade Federal de Santa Maria, 2017-08-11)
The industrial activity has contributed greatly to a significant increase in the concentrations of dyes in water, representing an important source of contamination of the water bodies, especially when we consider that such ...
Utilização de caulim como um potencial adsorvente de baixo custo na remoção de poluente orgânico em soluções aquosas
(Universidade Federal de Santa Maria, 2017-03-24)
Dye industries have great difficulty in effectively treating of wastewater generated, particularly in relation to dyes removal of the effluents, that even in small quantities, gives intense color, contributing to contamination ...
Síntese de compósitos magnéticos ferrita/quitosana para adsorção de corantes e fármacos
(Universidade Federal de Santa Maria, 2019-03-08)
Water is a cornerstone to the flourishment of any existing life form and as such, need to be preserved. Working on development and improvement of technologies which promote an efficient effluent treatment, preventing ...
Solução numérica de modelos de transferência de massa difusivos em sistemas de adsorção
(Universidade Federal de Santa Maria, 2017-07-17)
The present work develops in detail the numerical solution of diffusion mass transfer models
in the adsorption process of cationic dyes. The diffusive models are developed based on the
mass transfer phenomena in a porous ...
Síntese e aplicação do compósito geopolímero/Fe3O4 como adsorvente magnético para a remoção de contaminante orgânico em efluente líquido
(Universidade Federal de Santa Maria, 2019-07-31)
Accompanying population growth, industries, in addition to supplying the needs of the population, have become one of the main sources of environmental contamination, with the textile sector being the main responsible for ...
Pirólise de resíduos cervejeiros para a produção de adsorventes
(Universidade Federal de Santa Maria, 2020-02-13)
Contamination of water by organic compounds can cause damage to the environment and to humans. Adsorption is a promising process for removing these pollutants. In addition, the adsorbents used can be regenerated. Agricultural ...
Adsorção de níquel (II) usando leito fixo de carvão ativado em condições subcríticas
(Universidade Federal de Santa Maria, 2020-02-27)
In the present work, the use of subcritical conditions in the nickel adsorption process on activated carbon in a fixed bed was investigated in the aqueous medium, with variation of the values for different pressure (from ...