Branqueamento Ctmp
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1. Evaluation of CTMP pulp´s behavior towards hydrogen peroxide bleaching: utilization of sub/supercritical carbon dioxide / Avaliação do comportamento de polpa CTMP frente ao branqueamento com peróxido de hidrogênio: utilização de dióxido de carbono no estado sub/supercrítico
The bleaching of chemithermomechanical pulp (CTMP) is usually performed using hydrogen peroxide (H2O2) in alkaline medium. This stage produces high quantity of effluent to be treated, increasing the costs of the industrial process. The usage of liquid carbon dioxide (CO2) under sub/supercritical conditions can help in reducing the amount of liquid effluents
Publicado em: 2009