Journal article
Mechanical pulp fines of poor quality - Characteristics and influence of white water

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Author list: Htun, Myat;Höglund, Hans
Publication year: 2000
Start page: 308
End page: 316
Number of pages: 9
ISSN: 0826-6220
View additional information: View in Web of Science™

Abstract

Fines from white water were compared with fresh TMP fines from the same mill. The white-water fines gave a low er tensile strength of handsheets and a stronger light absorption. The surface composition (ESCA) and contact angle indicated more extractives on the surface of these fines. The total extractives content was much higher; no other large differences in chemical composition or morphology were found. Addition of unbleached white water to fresh fines had no effect on the tensile strength, whereas addition of white water subjected to hydrogen peroxide bleaching gave an immediate decrease.


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