Recycled fiber properties as affected by contaminants and removal processes PDF Download
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Author: John H. Klungness
Publisher:
ISBN:
Category : Fiber reclamation
Languages : en
Pages : 26
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Book Description
Author: John H. Klungness
Publisher:
ISBN:
Category : Fiber reclamation
Languages : en
Pages : 26
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Book Description
Author: John J. Klungness
Publisher:
ISBN:
Category :
Languages : en
Pages : 16
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 20
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Book Description
Five materials were applied to either a kraft pulp furnish or to a kraft paper and were removed by conventional removal processes. Uncontaminated kraft paper subjected to the same removal processes determined that the process, not the contaminant, was responsible for changes in sheet properties. Handsheet tensile properties, an indication of fiber bonding, and zero-span tensile tests, a measure of fiber strength, are reported. Aqueous polyethylene removal and deinking processes restored fiber bonding and strength almost to their initial levels. Wet strength removal, hot melt, and polyethylene solvent extractions resulted in fiber property reductions similar in magnitude to that of the recycled control. Asphalt dispersion caused the largest decrease in fiber properties. (Modified author abstract).
Author: John H. Klungness
Publisher:
ISBN:
Category : Fiber reclamation
Languages : en
Pages : 20
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Book Description
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Book Description
Five materials were applied to either a kraft pulp furnish or to a kraft paper and were removed by conventional removal processes. Uncontaminated kraft paper subjected to the same removal processes determined that the process, not the contaminant, was responsible for changes in sheet properties. Handsheet tensile properties, an indication of fiber bonding, and zero-span tensile tests, a measure of fiber strength, are reported. Aqueous polyethylene removal and deinking processes restored fiber bonding and strength almost to their initial levels. Wet strength removal, hot melt, and polyethylene solvent extractions resulted in fiber property reductions similar in magnitude to that of the recycled control. Asphalt dispersion caused the largest decrease in fiber properties. (Modified author abstract).
Author:
Publisher:
ISBN:
Category : Forest products
Languages : en
Pages : 564
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Author: J. Dobbin McNatt
Publisher:
ISBN:
Category : Particle board
Languages : en
Pages : 516
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Book Description
Author: Pratima Bajpai
Publisher: Elsevier
ISBN: 0124171699
Category : Science
Languages : en
Pages : 315
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Book Description
Paper recycling in an increasingly environmentally conscious world is gaining importance. Increased recycling activities are being driven by robust overseas markets as well as domestic demand. Recycled fibers play a very important role today in the global paper industry as a substitute for virgin pulps. Paper recovery rates continue to increase year after year Recycling technologies have been improved in recent years by advances in pulping, flotation deinking and cleaning/screening, resulting in the quality of paper made from secondary fibres approaching that of virgin paper. The process is a lot more eco-friendly than the virgin-papermaking process, using less energy and natural resources, produce less solid waste and fewer atmospheric emissions, and helps to preserve natural resources and landfill space. Currently more than half of the paper is produced from recovered papers. Most of them are used to produce brown grades paper and board but for the last two decades, there is a substantial increase in the use of recovered papers to produce, through deinking, white grades such as newsprint, tissue, market pulp. By using recycled paper, companies can take a significant step toward reducing their overall environmental impacts. This study deals with the scientific and technical advances in recycling and deinking including new developments. - Covers in great depth all the aspects of recycling technologies - Covers the latest science and technology in recycling - Provides up-to-date, authoritative information and cites many mills experiences and pertinent research - Includes the use of biotech methods for deinking, refining. and improving drainage
Author:
Publisher:
ISBN:
Category : Recycling (Waste, etc.)
Languages : en
Pages : 24
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Author: Irving B. Sachs
Publisher:
ISBN:
Category : Fiber reclamation
Languages : en
Pages : 8
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Book Description
