On the theoretical basis for the low bleaching chemical requirement of hot chlorine dioxide bleaching of hardwood kraft pulp

Nordic Pulp and Paper Research Journal

Volumn 19, Issue 1, 2004, Pages 78-83

  Ragnar, Martin ^a  

^a Kvaerner Pulping AB   (Sweden)

Author keywords

2 furoic acid; Bleaching; Chemical consumption; Eucalyptus; Hardwood kraft pulp; Hot acid treatment; Hot chlorine dioxide bleaching; Mechanisms; Yellowing

Indexed keywords

BIODIVERSITY; BLEACHED PULP; BLEACHING; CHLORINE COMPOUNDS; DEGRADATION; HARDWOODS;

2-FLUORIC ACID; HARDWOOD KRAFT PULPS; HOT ACID TREATMENT; HOT CHLORINE DIOXIDE BLEACHING;

KRAFT PULP;

ACID TREATMENT; BIODIVERSITY; BLEACHING; CHLORINE COMPOUNDS; CHLORINE DIOXIDE; DEGRADATION; HARDWOODS; YELLOWING;

EID: 1942475343     PISSN: 02832631     EISSN: None     Source Type: Journal    
DOI: 10.3183/npprj-2004-19-01-p078-083     Document Type: Article

References (21)

1. Buchert, J., Teleman, A., Harjunpää, V., Tenkanen, M., Viikari, L. and Vuorinen, T. (1995): Effect of Cooking and Bleaching on the Structure of Xylan in Conventional Pine Kraft Pulp, Tappi J. 78:11, 125-130.
2. Clayton, D. W. (1963): The Alkaline Degradation of Some Hardwood 4-O-Methyl-D-Glucuronoxylans, Svensk Papperstidn. 66:4, 115-124.
3. Costa, M. M. and Colodette, J. L. (2002): The Effect of Kraft Pulp Composition on its Bleachability, International Pulp Bleaching Conference (IPBC), Portland, Oregon, USA, Vol. Papers: 195-213.
4. Eiras, K. M. M. and Colodette, J. L. (2001): Optimization of the High Temperature Chlorine Dioxide Stage (DHT) for Hardwood Kraft Pulp, Tappi Pulping Conference, Seattle, WA, USA, 357-369.
5. Girard, R., Ho, C., Gutherie, P. and Campbell, P. (1999): The Effects of Carbon Dioxide on the Efficiency of Various Brown Stock Washers, Tappi Pulping Conference, Vol. 3:1225-1234.
6. Granström, A., Eriksson, T., Gellerstedt, G., Rööst, C. and Larsson, P. (2001): Variables Affecting the Thermal Yellowing of TCF-bleached Birch Kraft Pulps, Nordic Pulp Paper Res. J. 16:1, 18-23.
7. Johansson, M. H. and Samuelson, O. (1977): Epimerisation and Degradation of 2-O-(4-O-methyl-a-D-glycopyransyluronic acid)-D-xylitol in Alkaline Medium, Carbohydr. Res. 54:295-299.
8. Juutilainen, S., Vilpponen, A., Pikka, O., Vuorinen, T. and Henricson, K. (1999): Combining Chlorine Dioxide Bleaching of Birch Kraft Pulp with an A-stage at High Temperature, Tappi Pulping Conference, Orlando, Florida, USA, Vol. 2: 645-651.
9. Lachenal, D. and Chirat C. (1998): High Temperature Chlorine Dioxide Delignification: A Breakthrough in ECF Bleaching of Hardwood Kraft Pulps, Pulping Conference, Atlanta, USA, Vol. 2:601-604.
10. Maréchal, A. (1993): Acid Extraction of the Alkaline Wood Pulps (Kraft or Soda/AQ) Before or During Bleaching Reason and Opportunity, J. Wood Chem. Technol. 13:2, 261-281.
11. Pettersson, E. A. K., Ragnar, M. and Dahllöf, H. (2002): A Compact Approach to Washing in the Bleaching, 35th annual meeting of Associação Brasileira Técnica de Celulose e Papel (ABTCP), Sao Paulo, Brazil,
12. Ragnar, M. (2000): Studies of the Bleaching Work with Special Attention paid to the Impact on Hexeneuronic Acid Removal, 6th European Workshop on Lignocellulosics and Pulp (EWLP), Bordeaux, France, 539-542.
13. Ragnar, M. (2001): A Novel Spectrophotometric Tool for Bleaching Studies and Determination of Hexenuronic Acid Removal, Nord. Pulp Pap. Res. J. 16:1, 68-71.
14. Ragnar, M. (2002): Modification of the DO*-stage into D* makes 2-stage Bleach Plant for HW Kraft Pulp a Reality, International Pulp Bleaching Conference (IPBC), Portland, USA, Vol. Papers: 237-244.
15. Ragnar, M. and Dahllöf, H. (2002a): ECF Bleaching of Eucalyptus Kraft Pulp - A Comparative Study of Bleaching Chemical Needs, Yellowing Characteristics etc. of Different Sequences, Nordic Pulp Paper Res. J. 17:3, 228-233.
16. Ragnar, M., Leite, M. M. and Imai, M. (2002b): Conversion to ECF Bleaching - A Comparative Study with Focus on the First Bleaching Stage, Kami Pa Gikyoshi 56: 4, 512-520.
17. Ragnar, M. and Tömgren, A. (2002c): Ways to Reduce the Amount of Organically Bound Chlorine in Bleached Pulp and the AOX Discharges from ECF Bleaching, Nordic Pulp Paper Res. J. 17:3, 234-239.
18. Törngren, A. and Gellerstedt, G. (1997): The Nature of Organic Bound Chlorine from ECF-Bleaching Found in Kraft Pulp, 9th International Symposium on Wood and Pulping Chemistry (ISWPC), Montreal, Vol. Oral Presentations: M2-1 - M2-4.
19. Törngren, A. and Ragnar, M. (2002): Hexenuronic acid Reactions in Chlorine Dioxide Bleaching - Aspects on in situ Formation of Molecular Chlorine, Nordic Pulp Paper Res. J. 17:2, 179-182.
20. Venemark, E. (1963): Sätt vid Framställning av Blekt Cellulosamassa för att Öka dess Beständighet mot Ljushetsneds̈ttning och Nedbrytning vid Åldring, Sweden patent nr. 225253
21. Vuorinen, T., Buchert, J., Teleman, A., Tenkanen, M. and Fagerström, P. (1996): Selective Hydrolysis of Hexenuronic Acid Groups and its Application in ECF and TCF Bleaching of Kraft Pulps, International Pulp Bleaching Conference, Washington, USA, Vol. 1:42-51.