Kraft green liquor pretreatment of softwood chips. Part III: Lignin chemical modifications

Holzforschung

Volumn 57, Issue 3, 2003, Pages 275-281

  Ban, Weiping ^a   Singh, Jaimal ^a   Lucia, Lucian A ^a  

^a GEORGIA INSTITUTE OF TECHNOLOGY   (United States)

Author keywords

31P NMR spectrum; Green liquor; Hydroxyl group; Modified kraft pulping; Oxygen delignification; Pretreatment; Residual lignin

Indexed keywords

DELIGNIFICATION; LIGNIN; POLYSULFIDES;

SOFTWOOD CHIPS;

SOFTWOODS;

DELIGNIFICATION; LIGNINS; SOFTWOODS;

EID: 0038659934     PISSN: 00183830     EISSN: None     Source Type: Trade Journal    
DOI: 10.1515/HF.2003.041     Document Type: Article

References (23)

1. Akim, L.G., J.L. Colodette and D.S. Argyropoulos. 2001, Factors limiting oxygen delignification of kraft pulp. Can. J. Chem. 79, 201-210.
2. Andrews, E.K. and H.-M. Chang, 1985. Extended delignification kraft pulping of softwoods - Effect of treatments on chips and pulp with sulfide-containing liquor. J. Wood Chem. Tech. 5, 431-450.
3. Argyropoulos, D.S. 1994. Quantitative phosphorus-31 NMR analysis of lignin, a new tool for the lignin chemist. J. Wood Chem. Tech. 14, 45-63.
4. Argyropoulos, D.S. and Y. Liu, 2000. The role and fate of lignin's condensed structures during oxygen delignification. J. Pulp Paper Sci. 26, 107-113.
5. Ban, W.P., A.J. Ragauskas and A.L. Lucia. 2003. Kraft green liquor pretreatment of softwood chips. Part I: Chemical Absorption Profiles. Ind. Eng. Chem. Res. In press.
6. 2 pulps -Role of phenolic hydroxyl groups in the residual lignin. In: International Pulp Bleaching Conference, Proceedings (Washington, D.C.), TAPPI Press, 147-162.
7. Chivukula, S., H.-M. Chang and H. Jameel. 1998. Effect of pre-treatment with green liquor, AQ and polysulfide on the performance of an extended batch system. In: TAPPI Pulping Conference, Proceedings (Montreal), TAPPI press, 419-425.
8. th International Symposium on Wood and Pulping Chemistry, Proceedings (Montreal), TAPPI Press, L4-1-L4-6.
9. Froass, P.M., J.E. Jiang, T.J. McDonough and A.J. Ragauskas. 1996a. Relationship between residual lignin structure and pulp bleachability. In: International Pulp Bleaching Conference, Proceedings (Washington, D.C.), TAPPI Press, 163-170.
10. Froass, P.M. and A.J. Ragauskas. 1996b. Chemical structure of residual lignin from kraft pulp. J. Wood Chem. Tech. 16(4), 347-365.
11. Froass, P.M., A.J. Ragauskas, T.J. McDonough and J.E.Jiang. 1996c. Relationship between residual lignin structure and pulp bleachability. In: International Pulp Bleaching Conference Proceedings (Washington, D.C.), 163-170.
12. Gellerstedt, G. and E.-L. Lindfors. 1991. On the structure and reactivity of residual lignin in kraft pulp fiber. In: International Pulp Bleaching Conference Proceedings (Stockholm), TAPPI Press, 73-88.
13. Gellerstedt, G., J. Pranda and E.-L. Lindfors. 1994. Structural and molecular properties of residual birch kraft lignins, J. Wood Chem. Tech. 74(4), 467-482.
14. George, J., D. Lachenal and C. Perez. 1997. Limits of the extended cooking concept and bleachability of resulting pulps. In: TAPPI Pulping Conference, Proceedings (San Francisco), TAPPI Press, 889-896.
15. Granata, A. and D.S. Argyropoulos. 1995. 2-Chloro-4,4,5,5-tetramethyl-1,3,2-dioxaphospholane, A reagent for the accurate determination of the uncondensed and condensed phenolic moieties in lignin. J. Agr. Food Chem. 43, 1538-1544.
16. th International Symposium Wood Pulping Chemistry, Proceedings (Beijing), 228-232.
17. Johansson, E. and S.J. Ljunggren. 1994. The kinetics of lignin reactions during oxygen bleaching, Part 4. The reactivities of different ligninmodel compounds and the influence of metal ions on the rate of degradation. J. Wood Chem. Technol. 24, 507-525.
18. Klevinska, V. and A. Treimanis. 1997. Pretreatment of wood chips with green liquor and its effect upon kraft delignification. Cell. Chem. Technol. 37(3/4), 253-261.
19. Lai, Y.Z., M. Funaoka and H.T. Chen, 1994. Oxygen bleaching of kraft pulp. Holzforschung 48, 355-359.
20. Ljunggren, S.J. 1986. Kinetic aspects of some lignin reactions in oxygen bleaching. J. Pulp Paper Sci. 12, 54-57.
21. th Internl. Symp. on Wood and Pulping Chem. Proceedings, 1, 229-236.
22. Svedman, M., P. Tikka and K. Kovasin. 1997. The use of green liquor and its derivatives in improving kraft pulping. In: TAPPI Pulping Conference, TAPPI press, 877-888.
23. Van Lierop, B., Z.-H. Jiang, J. Chen, D.S. Argyropoulos and R.M. Berry. 2000. On the efficiency of hydrogen peroxide use in ECF bleaching. J. Pulp Paper Sci. 26, 225-259.