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Pulping characteristics of Dicymbe altsoni from Guyana

Pulping characteristics of Dicymbe altsoni from Guyana

Palmer, E. R. and Gibbs, J. A. (1978) Pulping characteristics of Dicymbe altsoni from Guyana. Tropical Products Institute (TPI), London, UK. ISBN 0859540898

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Abstract

A sample consisting of one tree of Dicymbe altsoni from Guyana was examined to determine its pulping characteristics. This sample was not large enough to produce definitive results, but it was considered that an indication could be obtained. Bark content, wood density, chemical analyses and fibre dimensions are reported. Sulphate cooks yielded 48.1% 9f screened pulp with a kappa number of 33.1 to 44.3% of pulp with a kappa number of 22.9. Bleaching trials by a four-stage sequence, using successive applications of chlorine, sodium hydroxide, sodium hypochlorite and chlorine dioxide, produced pulp with a brightness of 83% (absolute scale). It is believed that if D. altsoni was mixed with the six Guyanan species examined earlier, it would not make any major difference to the quantity or quality of the pulp.

Item Type: Book
Additional Information: © Crown copyright 1978. Note on publisher affiliation: Tropical Products Institute (TPI) is a predecessor of the Natural Resources Institute (NRI). The NRI has been a specialist research and teaching institution of the University of Greenwich since 1996.
Uncontrolled Keywords: pulp, characteristics, Dicymbe altsoni, Guyana, density
Faculty / Department / Research Group: Faculty of Engineering & Science > Natural Resources Institute
Faculty of Engineering & Science > Natural Resources Institute > Agriculture, Health & Environment Department
Related URLs:
Last Modified: 28 Jun 2016 16:18
Selected for GREAT 2016: None
Selected for GREAT 2017: None
Selected for GREAT 2018: None
URI: http://gala.gre.ac.uk/id/eprint/12044

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