+ Site Statistics
References:
54,258,434
Abstracts:
29,560,870
PMIDs:
28,072,757
+ Search Articles
+ PDF Full Text Service
How our service works
Request PDF Full Text
+ Follow Us
Follow on Facebook
Follow on Twitter
Follow on LinkedIn
+ Subscribe to Site Feeds
Most Shared
PDF Full Text
+ Translate
+ Recently Requested

European hardwoods versus Eucalyptus globulus as a raw material for pulping



European hardwoods versus Eucalyptus globulus as a raw material for pulping



Wood science and technology 40(1): 39-48



The importance of eucalypt as a raw material for pulping is steadily growing. Eucalyptus globulus was compared with European hardwood species using two alkaline pulping processes, kraft and alkaline sulfite, anthraquinone pulping (ASA), which is a recently developed modified alkaline sulfite process. All cooks were performed to similar kappa numbers. Poplar cooks resulted in the highest yields followed by eucalypt and birch which were on the same level. Yield of beech pulps was definitely lower. ASA pulps show a moderate higher yield due to the less alkaline pH-profile of the cooking liquor. This yield advantage was maintained and even enhanced after TCF-bleaching. The bleaching response of all pulps was excellent. The birch pulps had the highest tensile strength followed by the poplar and beech pulps. Surprisingly eucalypt pulps had the lowest tensile strength. But this was compensated by the very good tear index of eucalypt pulps. The runnability factor, as an index for the overall strength potential, was on the same level for all pulps. Due to the higher hemicellulose content of the ASA pulps their tensile strengths were higher, but tear strengths lower compared to the kraft pulps. The different morphology of the hardwoods investigated resulted in different volumes and light scattering coefficients of the corresponding pulps.

Please choose payment method:






(PDF emailed within 0-6 h: $19.90)

Accession: 012786831

Download citation: RISBibTeXText

DOI: 10.1007/s00226-005-0042-9


Related references

The use of small wood of Eucalyptus globulus and E. rostrata as raw material for pulping. Bol.] Inst. For. Invest. Exp., Madrid. 35: 87, 173, 1964

Organosolv pulping v. formic acid delignification of eucalyptus globulus and eucalyptus grandis. Bioresource Technology 37(1): 1-6, 1991

Impact of effective alkali and sulfide profiling on Eucalyptus globulus kraft pulping. Selectivity of the impregnation phase and its effect on final pulping results. Journal of Chemical Technology and Biotechnology (Wiley) 83(3): 242-251, 2008

Biochemical pulping of Eucalyptus globulus. Cellulose Chemistry and Technology 26(1): 99-105, 1992

Kraft pulping with Eucalyptus globulus logs of different diameters. Bosque 1992?; 12(2): 65-68, 1991

Oxidative pretreatments in the preparation of CMP chemimechanical-pulp and CTMP chemithermomechanical pulp from hardwoods Mechanical properties, Eucalyptus regnans, Eucalyptus globulus, Gmelina arborea, Terminalia brassii. p. 1983

Behavior of Eucalyptus globulus lignin during kraft pulping. II. Analysis by NMR, ESI. Journal of wood chemistry and technology 22(2-3): 109-125, 2002

Growth, nutrient uptake and pulping characteristics of young Eucalyptus globulus. Appita 26(3): 187-190, 1972

Effect of wood age on the pulping characteristic and chemical composition of Eucalyptus globulus. Chemistry and Industry of Forest Products 20(1): 21-26, 2000

Kinetics of ethanol water pulping and pulp properties of eucalyptus globulus lab. Appita Journal 39(6): 455-458, 1986

Preliminary study on products distribution in alcohol pulping of Eucalyptus globulus. Journal of Chemical Technology and Biotechnology 74(2): 141-148, 1999

Kinetics of ASAM and kraft pulping of eucalypt wood (Eucalyptus globulus). Holzforschung 56(1): 85-90, 2002

A GC-FID validated method for the quality control of Eucalyptus globulus raw material and its pharmaceutical products, and gc-ms fingerprinting of 12 Eucalyptus species. Natural Product Communications 9(12): 1787-1790, 2015

Characterization of organic deposits produced in the kraft pulping of Eucalyptus globulus wood. Journal of Chromatography, A 823(1/2): 457-465, 1998