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Envases de Cartón para Líquidos como Fuente de Fibra Secundaria

DOI: 10.4067/S0718-07642012000300008

Keywords: fiber recovery, multilayer packaging, packaging box residue, stickies.

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a new method is proposed for separating fiber material from the main components of cartonboard commonly used for storing liquids and for evaluating the advantages and disadvantages of this material as fiber sources for paper manufacture. the mechanical resistance of the cartonboard has been reduced by hydration using naoh to accelerate the process. this process destroys hydrogen bonding that joint fiber-fiber. the process allows recovering 92% of the existing fiber in the carton packaging , which makes this material a potential alternative as fibber source for the manufacture of paper. the recovered material contains a high quantity of stickies, although it is possible to reduce this amount to levels that allows using the recovered fiber in paper manufacture.


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