Soda-AQ pulping of softwood, the influence of cooking parameters on fiber properties and bleachability

Paperi ja Puu/Paper and Timber

Volumn 84, Issue 1, 2002, Pages 43-49

  Håkansdotter, Lina ^a   Olm, Leelo ^a  

^a Box 485   (Sweden)

Author keywords

Bleachability; Pulp properties; Pulping; Soda AQ; Softwood

Indexed keywords

BLEACHING; DEGRADATION; DELIGNIFICATION; HYDROGEN PEROXIDE; KRAFT PULP; OPTIMIZATION; PULP COOKING; VISCOSITY;

SOFTWOOD PULPING;

SOFTWOODS;

ANTHRAQUINONE; BLEACHABILITY; BLEACHING; DELIGNIFICATION; KRAFT PULPING; PULPING; SOFTWOOD PULPS; SOFTWOODS;

EID: 0036167656     PISSN: 00311243     EISSN: None     Source Type: Trade Journal    
DOI: None     Document Type: Article

References (33)

1. Soda additive softwood pulping: A major new process
2. A new alkaline pulping process
3. The strenghts of kraft-AQ and soda-AQ pulps
4. Soda-anthraquinone-ethylendiamine pulping
5. The advantage of using oxygen-free conditions for soda-anthraquinone pulping
6. Kinetics of soda anthraquinone delignification
7. Soda anthraquinone pulping of loblolly pine: Kinetic study
8. The viscosities of unbleached alkaline pulps
9. Chemical pulping without sulfur
10. Ozone delignification of black spruce and hardwood kraft, kraft-anthraquinone and soda-anthraquinone pulps
11. The bleachability of kraft-AQ and soda-AQ pulps
12. Peroxide delignification of alkaline pulps from pinus radiata
13. Soda-AQ pulping and elemental chlorine free bleaching of softwood to achieve minimum impact mill
14. Soda-AQ pulping of softwood followed by TCF-bleaching
15. Studies on dietary fiber. 3. Improved procedures for analysis of dietary fiber
16. Modified cooking and oxygen bleaching for improved production economy and reduced effluent load
17. Extended delignification by combination of modified kraft pulping and oxygen bleaching
18. Mechanisms of alkaline delignification I. The overall reaction
19. The kinetics of residual delignification and factors affecting the amount of residual lignin during kraft pulping
20. Delignification rate studies part II of a series on kraft pulping kinetics
21. The reactions of lignin during pulping
22. Structural/reactivity studies (II): Reactions of lignin model compounds wuth pulping additives
23. Carbohydrate stabilisation during soda pulping with addition of anthraquinone
24. Influence of anthraquinone on the degradation of cellulose in alkaline media
25. Aspects on the effects of initial phase and sulfide pretreatment in softwood kraft pulping
26. The viscosity of unbleached alkaline pulps. II The G-factor
27. Effect of Anthraquinone on the alkaline degradation of polysaccharides
28. The colour of unbleached sulphate pulp
29. The influence of cooking conditions on the bleachability of pine sulfate pulp
30. Structural organisations and papermaking qualities of kraft, soda-AQ, neutral sulfite-AQ, polysulfide and polysulfide-AQ pulps
31. Trycksatt väteperoxidblekning. Stockholm
32. ECF bleachability comparison between conventional kraft and kraft-AQ softwood pulp