Hexenuronic acid reactions in chlorine dioxide bleaching - Aspects on in situ formation of molecular chlorine

Nordic Pulp and Paper Research Journal

Volumn 17, Issue 2, 2002, Pages 179-182

  Törngren, Anders ^a  

^a ROYAL INSTITUTE OF TECHNOLOGY   (Sweden)

Author keywords

Bleaching; Carbohydrates; Chlorine; Chlorine dioxide; ECF; Hardwood; Hexenuronic acid; Kraft cooking; Softwood; Sulphamic acid; TCF; Xylan

Indexed keywords

CHLORINE COMPOUNDS; DEGRADATION; ELECTROPHORESIS; HARDWOODS; KRAFT PROCESS; NUCLEAR MAGNETIC RESONANCE SPECTROSCOPY; ORGANIC ACIDS; REACTION KINETICS; SOFTWOODS; SYNTHESIS (CHEMICAL);

CHLORINE DIOXIDE BLEACHING; HEXENURONIC ACID; KRAFT COOKING; SULPHAMIC ACID;

BLEACHING;

CHLORINE COMPOUNDS; DEGRADATION; ELECTROPHORESIS; HARDWOODS; ORGANIC ACIDS; REACTION KINETICS;

EID: 0036075638     PISSN: 02832631     EISSN: None     Source Type: Journal    
DOI: 10.3183/npprj-2002-17-02-p179-182     Document Type: Article

References (14)

1. Influence on pulp quality of conditions during the removal of hexenuronic acids
2. Uronic acids and metal control
3. An HPLC method för the quantitative determination of hexenuronic groups in chemical pulps
4. Influence of hexenuronic acid groups on the thermal yellowing of TCF-bleached birch kraft pulps
5. Reduction of AOX formation during chlorine dioxide bleaching
6. Chemical reactions in chlorine dioxide stages of pulp bleaching. Intermediately formed hypochlorous acid
7. Chlorine dioxide oxidation of cyclohexene
8. Reactions of chlorine dioxide with unsaturated compounds. II. Methyl Oleate
9. Process for bleaching chemical pulps with low organic halogen compounds content
10. Studies of the bleaching work with special attention paid to the impact on hexeneuronic acid removal
11. A novel spectrophotometric tool for bleaching studies and determination of hexenuronic acid removal
12. Equilibrium of metal ions in hardwood kraft pulp suspensions
13. The nature of organic bound chlorine from ECF-bleaching found in kraft pulp
14. Selective hydrolysis of hexenuronic acid groups and its application in ECF and TCF bleaching of kraft pulps