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The use of bentonites in newspaper recycling. Part 1: Bentonites properties and speck control efficiency

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National Technical University of Athens   

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The use of bentonites in newspaper recycling. Part 1: Bentonites properties and speck control efficiency (EN)
Vlyssides, AG (EN)
Philippakopoulou, TL (EN)
Tsetsekou, AC (EN)
Perraki, TS (EN)
Economides, DG (EN)
Simonetis, SI (EN)
journalArticle (EN)
2014-03-01T01:18:26Z
2002 (EN)
The potential for using bentonites to avoid ink speck formation during the deinking of old newspapers is investigated. Seven commercial Greek bentonites (a calcium-bentonite, an organophilic, an acid-activated and four alkaline-activated bentonites) were examined with respect to their mineral composition, physical properties and effect on deinking. The acid-activated bentonite aggregates the ink particles to larger sizes while the others disperse the ink particles to smaller sizes making them removable by washing. For each bentonite (except the acid-activated) there was an addition level to the furnish that practically eliminated ink speck formation. One of the alkali ne-activated bentonites exhibited high dispersion ability in water, relatively low Crystallinity and the best ink speck elimination efficiency. (EN)
Materials Science, Paper & Wood (EN)
Water (EN)
Speck control (EN)
Crystal Structure (EN)
Ink (EN)
Dirt (EN)
Newsprint (EN)
Ink speck control (EN)
Washing (EN)
Dispersions (EN)
Chemical Composition (EN)
Composition effects (EN)
Physical properties (EN)
Speck formation (EN)
Deinking (EN)
Newspaper (EN)
Chemical activation (EN)
Impurities (EN)
Bentonite (EN)
Newspapers (EN)
Recycling (EN)
Wastepaper (EN)
Dirt Count (EN)
Crystal structure (EN)
Physical Properties (EN)
Appita Journal (EN)
English
APPITA (EN)
National Technical University of Athens
Digital Library of National Technical University of Athens | Dspace@NTUA
Κεντρική Βιβλιοθήκη Ε.Μ.Π.
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