On the importance of the structural composition of pulp for the selectivity of ozone and chlorine dioxide bleaching

Nordic Pulp and Paper Research Journal

Volumn 16, Issue 1, 2001, Pages 72-79

  Ragnar, M ^a  

^a Kvaerner Pulping AB   (Sweden)

Author keywords

Bleaching sequence; Bleaching stage; Chlorine dioxide; Diffuse reflectance; Hardwood pulps; Hexenuronic acid; Lignin; Ozone; Softwood pulps; UV Vis

Indexed keywords

CHLORINE COMPOUNDS; HARDWOODS; OZONE; PH EFFECTS; PULP MANUFACTURE; ULTRAVIOLET SPECTROSCOPY;

HEXENURONIC ACID;

BLEACHING;

BLEACHING; CHLORINE COMPOUNDS; HARDWOODS; HEXENURONIC ACID; OZONE; ULTRAVIOLET SPECTROSCOPY;

EID: 0035046602     PISSN: 02832631     EISSN: None     Source Type: Journal    
DOI: 10.3183/npprj-2001-16-01-p072-079     Document Type: Article

References (26)

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3. The role of water and hydrogen ion concentration in ozone bleaching of kraft pulp at medium consistency
4. On the selectivity of ozone delignification of softwood kraft pulps
5. Minimizing pulp degradation during totally chlorine free bleaching sequences including ozone stage
6. Effect of hydroxyl radicals on cellulose and pulp and their occurrence during ozone bleaching
7. The course of ozonization of unsaturated compounds
8. Formation of hydroxyl radicals from direct ozone reactions with pulp constituents
9. Influence of ozone and peracetic acid on pulp and effluent characteristics
10. An HPLC method for the quantitative determination of hexeneuronic acid groups in chemical pulps
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12. Oxidation equivalents, OXE - An alternative to active chlorine
13. Influence of lignins on the degradation of cellulose during ozone treatment
14. The chemistry of ozone during pulp bleaching
15. Accelerated degradation of cellulose in the presence of lignin during ozone bleaching
16. Are hydroxyl radicals responsible for degradation of carbohydrates during ozone bleaching of chemical pulp?
17. Studies of the bleaching work with special attention paid to the impact on hexeneuronic acid removal
18. A novel spectrophotometric tool for bleaching studies and determination of hexeneuronic acid removal
19. Radical formation in ozone reactions with lignin and carbohydrate model compounds
20. A new mechanism in the ozone reaction with lignin like structures
21. a-values of guaiacyl and syringyl phenols related to lignin
22. Radical formation in ozone bleaching