Successive and batch extraction of Eucalyptus grandis in dioxane-water-HCl solution

Paperi ja Puu/Paper and Timber

Volumn 80, Issue 5, 1998, Pages 374-378

  Balogh, D T ^a   Curvelo, A A S ^a  

^a UNIVERSITY OF SÃO PAULO   (Brazil)

Author keywords

Dioxane; Eucalyptus grandis; Lignin; Molar mass; Organosolv; Selectivity

Indexed keywords

CATALYSTS; HYDROGEN INORGANIC COMPOUNDS; LIGNIN; ORGANIC COMPOUNDS; PLANTS (BOTANY); PULP; SOLUTIONS; SOLVENTS;

BATCH EXTRACTION; DIOXANE; ELEMENTAL ANALYSIS; EUCALYPTUS GRANDIS; HYDROGEN CHLORIDE; ORGANOSOLV DELIGNIFICATION; SELECTIVITY; SUCCESSIVE EXTRACTION;

EXTRACTION;

EID: 0031639807     PISSN: 00311243     EISSN: None     Source Type: Trade Journal    
DOI: None     Document Type: Article

References (28)

1. Leclerc, D.F , J.A. Olson: A percolation theory model of lignin degradation. Macromolecules 25(1992), 1667-1675.
2. Balogh, D. T., A.A.S Curvelo: Successive organosolv extractions of lignins from Eucalyptus grandis. Second Braz, Symp. Lignin and Other Wood Comp., Campinas, Brasil pp. 127-131(1991).
3. Funaoka, M., I. Abe: Structure of softwood lignin dissolved by successive acidolysis. Mokuzai Gakkaishi 29(1983), 781-788.
4. Argyropoulos, D. S., H.I. Bolker. Condensation of lignin in dioxane-water-HCl. J. Wood Chem. Technol. 7(1987), 1-23.
5. Aziz, S , K.V. Sarkunen: Organosolv pulping - A Review. Tappi J.(1989), 169-175.
6. Johansson, A., O. Aaoltonen, P. Ylinen: Organosolv pulping - Methods and pulp properties - Biomass 13(1987), 45-65.
7. Kleinert, T N.: Organosolv pulping with aqueous alcohol. Tappi 57(1974), 99-102.
8. Roy, A K., S.K.Sen, S. C Bag: Studies on the chemical nature of dioxane acidolysis lignin of jute stick. Tappi J. (1988), 160-163.
9. Kosikova, B , J Polcin: Isolation of lignin from spruce by acidolysis in dioxane. Wood Sci. Technol. 7 (1973), 308-316.
10. Pepper, J.M., P.E.T Baylis, E. Adler. The isolation and properties of lignins obtained by acidolysis of spruce and aspen wood in dioxane-water medium. Can J. Chem. 37(1959) 1241-1248.
11. Curvelo, A A.S., R A.M.C. De Groote, S. Montanari: Dioxan lignin from Pinus caribaea hondurensis. Paperi ja Puu 74(1992), 324-327.
12. Montanari, S., A.A S. Curvelo; R.A.M.C De Groote: Dioxan lignin from Pinus caribaea hondurensis.Part II. Effect of extraction time. Paperi ja Puu 75(1993), 512-514.
13. Curvelo, A.A.S., D.T Balogh: Organosolv lignin extraction from Eucalyptus grandis. Part III. Successive and batch processes. 8th Int. Symp. Wood Pulping Chem. Helsinki, Finland, pp 219-223, 1995.
14. Sarkanen, K., C. Schuerch: Condutometric tritation of phenolic groupsin mixtures such as isolated lignins. Anal. Chem. 27(1955) 1245-1250.
15. TAPPI standard method T2m-60."Methoxyl groups in lignin".
16. TAPPI standard method T236os-76 - "Acid insoluble lignin in wood and pulp".
17. Goldschimdt, O.: Ultraviolet Spectra in Lignins - Occurrence, Formation, Structure and Reactions. J. Wiley and Sons Chap. 6(1971).
18. Pepper, J.M., M. Siddiqueullah: The effect of initial acid concentration on the lignin isolated by the acidolysis of aspen wood. Can J. Chem. 37(1961) 1454-1461.
19. Curvelo, A.A.S., D.T. Balogh, R.A.M.C. De Groote: Polpaçāo organosolv de Eucalyptus grandis - Congresso Anual de Celulose e Papel da ABTCP, São Paulo, Brasil 213-221 (1992).
20. Paszner, L., N.C Behera: Topochemistry of softwood delignification by alkali earth metal salt catalyzed organosolv pulping. Holzforschung 46(1989), 159-168.
21. Timell, T.E.: Recent progress in the chemistry of hemicelluloses. Wood Sci. Technol. 1(1967), 45-70.
22. Carroll, C.W : Development of a rate expression for kraft pulping reactions. Tappi 43(1960), 573-579.
23. Olm, L., P.J. Nelson, S.E. Campbell: The rate of delignification of Eucalyptus diversicolor, E. regnans E.marginata and E. tetradonta woods during kraft pulping. Appita 37(1984), 314-318.
24. Garland, C.A, F.C. James, P.J. Nelson, A F.A. Wallis: A study of delignification of Eucalyptus diversicolor wood during soda pulping. Appita 40(1987) 116-120.
25. Kleinert, T.N.: Ethanol-water delignification of wood. Rate constants and activation energy. Tappi 58(1975), 170-171.
26. Pereira, H., M F. Oliveira, I. Miranda; Kinetics of ethanol-water pulping and pulp properties of Eucalyptus globulus Lab., Appita 39(1986), 455-458.
27. Curvelo, A A.S., E.S. Araujo, C.A. Sansigolo: Kinetics of organosolvpulping of Eucalyptus globulus. 8th Int. Symp. Wood Pulping Chem. Helsinki, Finland pp. 213-218, 1995.
28. Perez, D. S., A.A.S. Curvelo: Kinetics of acetone-water organosolv delignification of Eucalyptus urograndis. 9th Int. Symp. Wood Pulping Chem. Montreal, Canada pp. 88;1-88;4, 1997.