The effect of polysulphide pre-treatment and cooking parameters on the chemical properties and TCF bleachability of alkaline pulps

Pulp and Paper Canada

Volumn 102, Issue 8, 2001, Pages 44-48

  Al Dajani, W W ^a   Gellerstedt, G ^a  

^a ROYAL INSTITUTE OF TECHNOLOGY   (Sweden)

Author keywords

Alkaline pulps; Bleachability; Bleached pulps; Brightness; Chemical properties; Chips; Chlorine free bleaching; Kraft pulps; Polysulphides; Pretreatment; Pulp properties; Softwoods; Viscosity; Yield

Indexed keywords

ALKALINITY; BLEACHED PULP; BLEACHING; DELIGNIFICATION; IONIC STRENGTH; LIGNIN; POLYSULFIDES; PULP COOKING; SOFTWOODS;

BLEACHING CHEMICALS;

KRAFT PULP;

ALKALINE PULPS; BLEACHABILITY; CHIPS; DEIONIZATION; KAPPA NUMBER; PEROXIDE BLEACHING; PHENOL LIGNINS;

EID: 0035413811     PISSN: 03164004     EISSN: None     Source Type: Trade Journal    
DOI: None     Document Type: Article

References (19)

1. Bleachability of alkaline pulps. Part 1. The importance of β-aryl ether linkages in lignin
2. Extended oxygen delignification of high-yield kraft pulp. Correlation between residual lignin structures and bleachability by oxygen and chlorine dioxide
3. Understanding the structure of residual lignin. A key to progress in pulping and bleaching
4. ECF bleachability of softwood and hardwood kraft pulps made with altered liquor concentration profiles
5. Effect of cooking and bleaching on the structure of xylan in conventional pine kraft pulp
6. The nature of organic bound chlorine from ECF-bleaching found in kraft pulp
7. Effects of pulping and bleaching on pulp carbohydrates and technical properties
8. Determination of hexenuronic acid in softwood kraft pulps by three different methods
9. The effect of polysulfide pre-treatment when kraft pulping to very low kappa numbers
10. Some reactions of lignin in kraft and polysulfide pulping
11. - concentrations
12. Ein beitrag zur optik der farbenanstriche
13. An HPLC method for the quantitative determination of hexenuronic acid groups in chemical pulps
14. The contribution to kappa number from hexenuronic acid groups in pulp xylan
15. Studies on dietary fiber. 3. Improved procedures for analysis of dietary fiber
16. Calculation of the polysaccharide composition of wood and pulp
17. The influence of cooking conditions on the degradation of hexenuronic acid, xylan, glucomannan and cellulose during kraft pulping of softwood
18. Kraft pulping of pine. Part 2. The influence of the charge of alkali on the yield, carbohydrate composition and properties of the pulp
19. Influence of ionic strength on kraft cooking and subsequent TCF-bleaching