Journal article

A method to optimise birch CTMP pre-treatments by direct measurement of brightness on birch wood

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Publication Details

Author list: Höglund, Hans;Vesterlind, Eva-Lotta

Publication year: 2006

Start page: 419

End page: 425

Number of pages: 7

ISSN: 0283-2631

DOI: http://dx.doi.org/10.3183/NPPRJ-2006-21-03-p419-425

View additional information: View in Web of Science


Abstract

It is challenging and quite difficult to optimise the pre-treatment of birch CTMP with respect to brightness in large-scale trials. Because of the complexity of the system, it is necessary to go beyond a two-dimensional experimental approach (where not more than two variables are varied at the same time) to find optimal conditions. This paper presents a straightforward laboratory technique that may be used to study the effects on the brightness of wood by various pre-treatments. Combining this methodology with multivariate data analysis provides a powerful tool for optimising birch CTMP pre-treatment with respect to brightness. Recommendations within the experimental domain are given.


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