Utilize este identificador para referenciar este registo: http://hdl.handle.net/10400.8/153
Título: Preliminary studies on enzymatic deinking
Autor: Pala, Helena
Gama, Francisco Miguel
Mota, Manuel
Palavras-chave: Paper pulps
Data: 1998
Citação: PALA, H. ; GAMA, F.M. ; MOTA, M. - Preliminary studies on enzymatic deinking. In: 7th International Conference on Biotechnology in the Pulp and Paper Industry. Vancouver: [s.n.], 1998.
Resumo: Results on enzymatic deinking of paper pulps are shown. The process includes paper pulping, with an enzymatic cocktail, followed by flotation and dewatering. Three different wastepaper samples were used and tested. The deinking of the pulp was monitored by image analysis. Physical, mechanical and optical properties of pulp and paper were also determined. The obtained data revealed the effectiveness of the assayed enzyme preparation. However, enzyme use needs further optimisation as paper strenght properties suffered important alteration.
URI: http://hdl.handle.net/10400.8/153
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