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Titolo:
Hydrocyclone separation, and reject refining, of thick-walled mechanical pulp fibres
Autore:
Kure, KA; Dahlqvist, G; Ekstrom, J; Helle, T;
Indirizzi:
Norwegian Pulp & Paper Res Inst, N-7491 Trondheim, Norway Norwegian Pulp &Paper Res Inst Trondheim Norway N-7491 rondheim, Norway Norske Skog Res, N-1756 Halden, Norway Norske Skog Res Halden Norway N-1756 ske Skog Res, N-1756 Halden, Norway Norwegian Univ Sci & Technol, Dept Chem Engn, N-7034 Trondheim, Norway Norwegian Univ Sci & Technol Trondheim Norway N-7034 4 Trondheim, Norway
Titolo Testata:
NORDIC PULP & PAPER RESEARCH JOURNAL
fascicolo: 2, volume: 14, anno: 1999,
pagine: 100 -
SICI:
0283-2631(199906)14:2<100:HSARRO>2.0.ZU;2-7
Fonte:
ISI
Lingua:
ENG
Keywords:
mechanical pulping; hydrocyclones; reject; refining; fibre structure;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Engineering, Computing & Technology
Citazioni:
14
Recensione:
Indirizzi per estratti:
Indirizzo: Kure, KA NorwegianyPulp & Paper Res Inst, Hogskoleringen 6B, N-7491 Trondheim, Norwa Norwegian Pulp & Paper Res Inst Hogskoleringen 6B Trondheim Norway N-7491
Citazione:
K.A. Kure et al., "Hydrocyclone separation, and reject refining, of thick-walled mechanical pulp fibres", NORD PULP P, 14(2), 1999, pp. 100

Abstract

The use of hydrocyclones for fractionation of mechanical pulp fibres on the basis of structural fibre characteristics such as fibre wall thickness, was studied in two different mills using commercially available hydrocyclones. The results indicate that the technique may be used for removal of thick-walled fibres, harmful for paper smoothness. The fraction of thin-walled earlywood fibres were significantly larger in the accept than in the reject flows. Fibres with broken circumference are predominately thin-walled, and were accumulated in the accept flow. By reject refining at high and low consistency, the wall thickness of the reject fibres was significantly reduced.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 10/07/20 alle ore 02:23:22