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Kraft pulping characteristics and pulp properties of warm season grasses

Bioresource technology, 1999-07, Vol.69 (1), p.75-85 [Peer Reviewed Journal]

1999 ;1999 INIST-CNRS ;ISSN: 0960-8524 ;EISSN: 1873-2976 ;DOI: 10.1016/S0960-8524(98)00131-X

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Title:
Kraft pulping characteristics and pulp properties of warm season grasses
Author: Madakadze, I.C. ; Radiotis, T. ; Li, J. ; Goel, K. ; Smith, D.L.
Subjects: Agronomy. Soil science and plant productions ; Applied sciences ; Biological and medical sciences ; Exact sciences and technology ; Fibre characteristics ; Fundamental and applied biological sciences. Psychology ; General agronomy. Plant production ; Kraft process ; Kraft pulp ; Kraft pulping ; Natural fibers ; Non-wood pulp ; Paper and pulp industry ; Paper, paperboard, non wovens ; Polymer industry, paints, wood ; Pulp manufacturing ; Pulp yield and properties ; Raw materials ; Strength of materials ; Use of agricultural and forest wastes. Biomass use, bioconversion ; Warm season grasses ; Wood. Paper. Non wovens
Is Part Of: Bioresource technology, 1999-07, Vol.69 (1), p.75-85
Description: Non-wood fibres are increasingly being used in the pulp and paper industry to help meet the increasing world demand for paper. Their use also helps to reduce demand on declining forest reserves. In this study several warm season grasses, prairie sandreed ( Calmovilfa longifolia (Hook.) Scribn.), cordgrass ( Spartina pectinata L.), big bluestem ( Andropogon gerardii Vitman), and switchgrass ( Panicum virgatum L. cv. Pathfinder (PF) and New Jersey 50 (NJ50)), were evaluated as potential raw materials for pulp and paper production. Raw material chemical composition, kraft pulp yield and properties, and fibre characteristics were evaluated. All these grasses were easily pulped under a mild kraft process, with pulp yields ranging from 44 to 51%, highest yields were recorded for NJ50 and big bluestem; and kappa numbers ranging from 10 to 16. The weight-weighted fibre length ranged from 1.29 to 1.43 mm, the highest value being recorded for big bluestem. The unbeaten pulp freeness ranged from 275 ml for sandreed to 411 ml for NJ50. Sandreed, NJ50 and big bluestem had high tear indices of 7.49, 7.12 and 7.07 mN m 2 g −1, respectively. Cordgrass and sandreed had burst indices above 5.0 kPa m 2 g −1 (5.68 and 5.22 kPa m 2 g −1, respectively). Other physical and strength properties are also presented.
Publisher: Oxford: Elsevier Ltd
Language: English
Identifier: ISSN: 0960-8524
EISSN: 1873-2976
DOI: 10.1016/S0960-8524(98)00131-X
Source: Alma/SFX Local Collection

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Kraft pulping characteristics and pulp properties of warm season grasses

1999 ;1999 INIST-CNRS ;ISSN: 0960-8524 ;EISSN: 1873-2976 ;DOI: 10.1016/S0960-8524(98)00131-X

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