Alternativas para facilitar el uso de nanocelulosas en la producción de papel reciclado
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2019
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17/07/2019
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Universidad Complutense de Madrid
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Abstract
La industria del papel es una de las más antiguas y la líder en el uso de productos reciclados. El motor del aumento en la reciclabilidad del papel ha sido principalmente impulsado por factores económicos y medioambientales. Por ello, el sector papelero es actualmente una referencia en sostenibilidad. Esto ha hecho que la tasa de reciclaje haya aumentado año tras año, alcanzando un valor record, en Europa, en 2017, del 72.3%. Sin embargo, la industria del papel reciclado (PR) está sometida a numerosos retos: (i) los altos requerimientos en la calidad del papel, especialmente en las propiedades mecánicas, físicas y de impresión, (ii) el deterioro de las fibras recicladas como consecuencia del alto número de ciclos de reciclado y (iii) las restricciones en los costes de producción. Como consecuencia, este sector está buscando alternativas que mejoren la calidad de los productos papeleros y que individualicen los efectos negativos que surgen del procesamiento de las fibras y del uso de aditivos de proceso...
Papermaking is one of the oldest industries and the leading one in the application of recycling approaches. The increase in paper recyclability has been driven by economic and environmental factors, turning the paper sector into a reference of sustainable industry. Thus, recycling rate has increased year after year, reaching a record value of 72.3%, in Europe, in 2017. However, the recycled paper (RP) industry is continuously challenged by: (i) the growing quality requirements in terms of mechanical, physical and printing properties of paper products, (ii) the deterioration of recycled fibers as a consequence of the increasing number of recycling cycles, and (iii) the restrictions in the production costs. As a result of the above, this sector is looking for alternatives to further upgrade the quality of the paper products and to decouple it from the negative effects entailed by processing the fibers and adding paper and process aditives...
Papermaking is one of the oldest industries and the leading one in the application of recycling approaches. The increase in paper recyclability has been driven by economic and environmental factors, turning the paper sector into a reference of sustainable industry. Thus, recycling rate has increased year after year, reaching a record value of 72.3%, in Europe, in 2017. However, the recycled paper (RP) industry is continuously challenged by: (i) the growing quality requirements in terms of mechanical, physical and printing properties of paper products, (ii) the deterioration of recycled fibers as a consequence of the increasing number of recycling cycles, and (iii) the restrictions in the production costs. As a result of the above, this sector is looking for alternatives to further upgrade the quality of the paper products and to decouple it from the negative effects entailed by processing the fibers and adding paper and process aditives...
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Tesis inédita de la Universidad Complutense de Madrid, Facultad de Ciencias Químicas, Departamento de Ingeniería Química y de Materiales, leída el 17-07-2019