A view of pulp washing in bleaching

Paperi ja Puu/Paper and Timber

Volumn 83, Issue 1, 2001, Pages 45-48

  Sillanpää, Mervi ^c   Dahl, Olli ^c   Ala Kaila, Kari ^a   Tervola, Pekka ^b  

^a Oy Metsä Rauma AB ^*  (Finland)

^b Andritz Oy Finland   (Finland)

^c UNIVERSITY OF OULU   (Finland)

Author keywords

[No Author keywords available]

Indexed keywords

CHEMICAL OXYGEN DEMAND; INDICATORS (CHEMICAL); KRAFT PULP; WASHING;

WASHERS;

BLEACHING;

EID: 0035088343     PISSN: 00311243     EISSN: None     Source Type: Trade Journal    
DOI: None     Document Type: Article

References (38)

1. Shackford, L.: Bleach washer performance. Proceedings of the 1992 Bleach Plant Operations Short Course, Atlanta, p. 147-161.
2. Sjöström, E.,. Alén, R.: Analytical methods in wood chemistry, pulping and papermaking. Springer, Berlin 1999, p. 193-231.
3. Pakkanen, H., Alén, R..: Characterization of effluents from peroxide and peracetic acid bleaching of softwood kraft pulp. Proceedings of the 1998 International Pulp Bleaching Conference, Helsinki, p. 659-664.
4. Bryant, P., Sundström, G., Jour, P.: Ultrafiltration of alkaline filtrates to maximize partial closure of ECF bleach plants. Proceedings of the 1998 International Pulp Bleaching Conference, Helsinki, p. 229-237.
5. Dence, C.W., Reeve, D.W.: Pulp Bleaching - Principles and Practice. TAPPI Press, Atlanta 1996, p. 749-765.
6. Patrick K.L.: Bleaching technology for chemical and mechanical pulps. Miller Freeman Inc., San Francisco 1991, 168 p.
7. Lindholm, C-A.., Henricson, K., Halinen, E., Tervola, P.: Closing the wash liquor circulations in TCF bleaching-impact on the ozone stage. Proceedings of the 1996 International Pulp Bleaching Conference, Washington, p. 331-340.
8. Lindholm, C-A.., Malkov, S.: Resorption of dissolved organic material in acid TCF bleaching stages. Nordic Pulp and Paper Research Journal 12(1997):1, 4-8.
9. Ala-Kaila, K., Vehmaa, J. Gullichsen, J., Strömberg, B.: Leaching of organic material from kraft pulps. Proceedings of the 1996 Pulp washing '96, Vancouver, p. 147-154.
10. Ala-Kaila, K., Nordén, H.V.: Leaching of organic material in washing after oxygen delignification. Nordic Pulp and Paper Research Journal 12(1997):1, 94-102.
11. Lachenal, D., Joncourt, M.J., Froment, P., Chirat, C.: Reduction of the formation of AOX during chlorine dioxide bleaching. Journal of Pulp and Paper Science 24(1998):1, p. 14-17.
12. th International Symposium on Wood and Pulping Chemistry, Melbourne, p. 579-586.
13. Gellerstedt, G., Pettersson, I.: Chemical aspects of hydrogen peroxide bleaching. Part II the bleaching of kraft pulp. Journal of Wood Chemistry and Technology 2(1982):3, 231-250.
14. Dahl, O., Niinimäki, J., Tirri, T., Kuopanportti, H.: Bleaching softwood kraft pulp: role of the transition metals iron, copper and manganese in the D stages. 1998 International Pulp Bleaching Conference, Helsinki, p. 383-388.
15. Towers, M., Scallan, A.M.: Predicting the ion-exchange of kraft pulps by using Donnan theory. Journal of Pulp and Paper Science 22(1996):9, J332-J337.
16. Ala-Kaila, K.: A dynamic model for calculating pH inside kraft pulp fibers. Paperi ja Puu 81(1999):3, 202-209.
17. Bryant, P., Edwards, L.: Manganese removal in closed kraft mill bleach plants. Tappi Journal 77(1994):2, 137-148.
18. Lapierre, L., Paleologou, M., Berry, R.M., Bouchard, J.: The limits of metal removal from kraft pulp by acid treatment. Journal of Pulp and Paper Science 23(1997):11, J539-J542.
19. Ala-Kaila, K., Alén, R.: Dynamic response in pH and the transient behavior of some chemical elements in pulp-water suspensions. Nordic Pulp and Paper Research Journal 14(1999):2, 149-157.
20. Presley, J.R., Hill, R.T., Chauveheid, E., Devenyns, J.: New metals control technique improves bleaching performance. Pulp & Paper 71(1997):10, 125-131.
21. Hill, R., Chauveheid, E., Presley, J., Devenyns, J.: Designing for mill closure: new premises in metals control. Proceedings of 1997 Tappi Pulping Conference, San Francisco, p. 1075-1079.
22. Zhang, Z., Jameel, H., Chang H.: Impact of washing efficiency after a metal removal stage on the performance of a peroxide stage. Proceedings of 1998 Tappi Pulping Conference, Montreal, p. 705-710.
23. Trinh, D.T., Poirier, N.A., Crotogino, R.H., Douglas, W.J.: Displacement washing of wood pulp-an experimental study. Journal of Pulp and Paper Science 15(1989):1, 28-35.
24. Grén, U.B., Ström, K.H.U.: Displacement washing of packed beds of cellulose fibres. Pulp & Paper Canada 86(1985):9, T261-T264.
25. Lee, P.F.: Optimizing the displacement washing of pads of wood pulp fibers. Tappi 62(1979):9, 75-78.
26. Grähs, L-E.: Displacement washing of packed beds of cellulose fibres Part 3. A comparison of the washing behaviour of sodium and lignin. Svensk Papperstidning 79(1976):4, 123-128.
27. Hakamäki, H., Kovasin, K.: The effect of some parameters on brown stock washing: A study made with a pulp tester. Pulp & Paper Canada 86(1985):9, T243-T249.
28. Eriksson, G., Grén, U.: Pulp washing at high temperature Comments on the contribution of diffusion rates. Proceedings of 1987 Pulp Washing '87 Symposium, Maarianhamina, p. 185-198.
29. Lee, P.F.: Channelling and displacement washing of wood pulp fiber pads. Tappi Journal 67(1984):11, 100-103.
30. Bottan, G.: Is COD test a wash-out on washing. Pulp & Paper International 35(1993):3, 51.
31. Towers, M., Turner, P.A.: Survey of bleach plant washing practices in Canadian mills. Pulp & Paper Canada 99(1998):7, 44-49.
32. Joronen, R., Löppönen, R., Pikka, O., Viipponen, A.: Fractional washing in TCF and ECF bleaching-mill experience. Proceedings of 1998 International Pulp Bleaching Conference, Helsinki, p. 219-228.
33. 2 washing. Paperi ja Puu 79(1997):7, 489-495.
34. Tervola, P., Henricson, K., Gullichsén, J.: A mathematical model of fractional pulp washing and applications in a bleach plant. Proceedings of 1993 Tappi Pulping Conference, Atlanta, p. 151-154.
35. Steffes, F., Cornell H., Germgård, U.: Washing considerations in modern pulp bleaching. Proceedings of 1995 Tappi Pulping Conference, Chicago, p. 553-559.
36. Nivelon, S., Pichon, M., Lombardo, G., Valtilla, O., Ulmgren, P., Jönsson, T., Tomani, P., Miletzsky, F., Erhard, K.: Closed cycle mill for high quality bleached chemical pulp. Proceedings of 1996 European conference on pulp and paper research, The present and future, Stockholm, p. 106-116.
37. Dence, C.W., Reeve, D.W.: Pulp Bleaching - Principles and Practice. TAPPI Press, Atlanta, 1996, p. 571-597.
38. Pikka, O., Vilpponen, A.: Recent bleaching experience and prospects for the future. Company publication. Ahlstrom. 1997. p. 45-51.