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Artículo

Office paper recyclability: fibrous characteristics

Benitez, Julieta BeatrizIcon ; Koga, Mariza E. T.; Otero D'Almeida, Maria L.; Felissia, Fernando Esteban; Park, Song W.; Area, Maria CristinaIcon
Fecha de publicación: 07/2014
Editorial: Associação Brasileira Técnica de Celulose e Papel
Revista: O Papel
ISSN: 0031-1057
Idioma: Inglés
Tipo de recurso: Artículo publicado
Clasificación temática:
Recubrimientos y Películas

Resumen

Recyclability is the ability of a material to reacquire the same properties it had originally. The aim of this work was to verify the recyclability of three printing and writing papers, from the characteristics of their fibers after two recycles. Three ECF bleached kraft eucalyptus commercial bond papers from Argentina and Brazil were studied (A, B, C). The papers were repulped and refined using different levels and intensities of energy (1st recycle). Laboratory sheets were produced, and they were repulped and refined again (2nd recycle). The microscopic characteristics of repulped papers were obtained by automatic equipment based on image analysis. Differences found in the behavior of the different samples can be explained by fiber parameters. The fiber length was significantly different in the three papers (A > B > C) and globally decreased in the second recycle (about 6%). Sample A had the highest initial fiber length and length/width, but it largely decreased with refining conditions in the 1st recycle (length fall 12%, generating fines by cutting), whereas it fall 9% between the 1st and 2nd recycles, and nothing with refining conditions in the 2nd recycle. Sample B fall by 5% with refining conditions in the 1st recycle, and 9% between the 1st and the 2nd recycle, but suffered few alteration in the second recycle. Fiber length of sample C was unaffected by refining conditions and only decreased 9% between the 1st and 2nd recycles. In all cases, the generated fines increased lightly with refining in the first recycle, but were two-fold higher in the second recycle than in the first one. The fiber coarseness of the 3 samples was similar in the first recycle, but decreases significantly in the 2nd recycle
Palabras clave: Eucalyptus , Fiber Characteristics , Office Paper , Recyclability , Recycling
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info:eu-repo/semantics/openAccess Excepto donde se diga explícitamente, este item se publica bajo la siguiente descripción: Creative Commons Attribution-NonCommercial-ShareAlike 2.5 Unported (CC BY-NC-SA 2.5)
Identificadores
URI: http://hdl.handle.net/11336/36294
URL: http://www.revistaopapel.org.br/noticia-anexos/1405694282_f0552ab57caa5b1f690a0a
Colecciones
Articulos(IMAM)
Articulos de INST.DE MATERIALES DE MISIONES
Citación
Benitez, Julieta Beatriz; Koga, Mariza E. T.; Otero D'Almeida, Maria L.; Felissia, Fernando Esteban; Park, Song W.; et al.; Office paper recyclability: fibrous characteristics; Associação Brasileira Técnica de Celulose e Papel; O Papel; 75; 7; 7-2014; 48-53
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