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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 ...
Utilização de diferentes materiais como adsorventes na remoção de nitrogênio amoniacal
(Universidade Federal de Santa Maria, 2015-01-09)
The discharge of effluents without proper treatment, in water bodies has been one of the main environmental problems in aquatic systems. Macronutrients launched, such as nitrogen can cause the effect known as eutrophication ...
Preparação de carvão ativado a partir de resíduos de erva-mate e seu uso como adsorvente na remoção de poluente orgânico em solução aquosa
(Universidade Federal de Santa Maria, 2013-08-13)
Activated carbon prepared from yerba mate (Ilex Paraguariensis) has been used as adsorbent for the removal of tannery dye from aqueous solution. The activated carbon was prepared by pyrolysis process, under nitrogen ...