Totally chlorine free bleaching of organosolv pulps

Journal of Wood Chemistry and Technology

Volumn 23, Issue 2, 2003, Pages 161-178

  Yanez R ^a   Alonso, J L ^a   Parajo J C ^a  

^a UNIVERSITY OF VIGO   (Spain)

Author keywords

Acetosolv pulps; Aspen; Bleaching; Dissolving pulps; Organosolv pulps; TCF

Indexed keywords

CELLULOSE; CHELATION; KRAFT PULP; OZONE;

ODORIFEROUS EMISSIONS;

BLEACHING;

ACETOSOLV PULPS; CELLULOSE; CHELATES; CHLORINE FREE BLEACHING; DISSOLVING PULPS; KRAFT PULPS; ORGANOSOLV PULPS; OZONE; POPULUS;

EID: 0038717843     PISSN: 02773813     EISSN: None     Source Type: Journal    
DOI: 10.1081/WCT-120021923     Document Type: Article

References (24)

1. Puthson, P.; Kordsachia, O.; Odermatt, J.; Zimmermann, M.; Patt, R. ASAM pulping of Eucalyptus camaldulensis and TCP bleaching of the resulting pulps. Holzforschung 1997, 57 (3), 257-262.
2. Ni, Y.; Van Heiningen, A. An ECF sequence for the ALCELL process including an ethanol-assisted ozone stage. Tappi J. 1998, 81 (4), 141-144.
3. Sjostrom, K. Influence of ionic strength on kraft cooking and subsequent TCF-bleaching. Nord. Pulp Paper Res. J. 1999, 14 (3), 226-235.
4. Yáñez, R.; Alonso, J.L.; Parajó, J.C. Pulping of aspen wood in acetic acid media: effect of operating conditions on yield and pulp properties. Tappi J. 2000, 83 (12), 54.
5. Vila, C.; Santos, V.; Parajó, J.C. Optimization of beech wood pulping pulping in acetic acid media. Can. J. Chem. Eng. 2000, 75 (5), 964-973.
6. Abad, S.; Santos, V.; Parajó, J.C. Two-stage acetosolv pulping of eucalyptus wood. Collec. Czech. Chem. Commun. 2003. In press.
7. Parajó, J.C.; Alonso, J.L.; Santos, V. Kinetics of catalyzed organosolv processing of pine wood. Ind. Eng. Chem. Res. 1995, 34 (12), 4333-4342.
8. Nimz, H.H.; Casten, R. chemical processing of lignocellulosics. Holz Roh Werk. 1986, 44, 207-212.
9. Hyatt, J.A.; Fengl, R.W.; Edgar, K.J.; Alvarez-Wright, M.T. Process for the Co-Production of Dissolving-Grade Pulp and Xylan. US Patent US006,057,438, 2000.
10. Christov, L.P.; Prior, B.A. Xylan removal from dissolving pulp using enzymes of Aureobasidium pullulans. Biotechnol. Lett. 1993, 15 (12), 1269-1274.
11. Bajpai, P.; Bajpai, P.K. Development of a process for the production of dissolving kraft pulp using xylanase enzyme. APPITA J. 2001, 54 (4), 381-384.
12. Scott, J.L.; Heitmann, J.A.; Joyce, T.W. Production of dissolving pulp from recovered paper using enzymes. Tappi J. 1998, 81 (3), 171-178.
13. Abad. S.; Santos, V.; Parajó, J.C. Totally chlorine-free bleaching of acetosolv pulps: a clean approach to dissolving pulp manufacture. J. Chem. Technol. Biotechnol. 2001, 76, 1117-1123.
14. Saake, B.; Lehnen, R.; Schmekal, E.; Neubauer, A.; Nimz, H.H. Bleaching of formacell pulp from aspen wood with ozone and peracetic acid in organic solvents. Holzforschung 1998, 52 (6), 643-650.
15. Gottlib, K.; Berg, A.; Meckel, J.; Preuss, A.W. Acetocell Pulping of Spruce and Chlorine-Free Bleaching, In Proceedings of the Tappi Solvent Pulping Symp., Boston, USA, 1992; 35-39.
16. Yang, J.L.; Eriksson, K.L.; Law, S.E.; Sacon, V.M. Bleaching of eucalyptus kraft pulp with Enzone process. Tappi J. 1993, 76 (7), 91-96.
17. Chirat, C.; Lachenal, D. Effect of ozone on pulp components. Application to bleaching of kraft pulps. Holzforschung 1994, 48, 133-139.
18. Fuhrmann, A.; Rasimus, R.; Rautonen, R. Ozone bleaching - New encouraging perspectives. Paperi Ja Puu 1998, 80 (4), 243-248.
19. Ruiz, J.; Freer, J.; Rodriguez, J.; Baeza, J. Ozone organosolv bleaching of radiata pine kraft pulp. Wood Sci. Technol. 1997, 31, 217-223.
20. Brelid, H.; Friberg, T. TCF bleaching of softwood kraft pulp. Part 5. Investigation of EDTA-metal complexes in chelation filtrates. Nord. Pulp. Paper Res. J. 1998, 13 (2), 112-118.
21. 2O) and hydroxyl (OH) radicals in TCF bleaching processes: a review. Holzforschung 1997, 57 (1), 34-46.
22. 2 in kraft pulp delignification. Paperi Ja Puu 1997, 79 (4), 252-256.
23. Wong, K.K.Y.; Jong, E.; Saddler, J.N.; Allison, R.W. Mechanisms of xylanase aided bleaching of kraft pulp. Appita J. 1997, 50 (6), 509-518.
24. Ooi, T.; Ni, Y. Development of an ozone-based TCF sequence for bleaching a hardwood ALCELL Pulp. Tappi J. 1998, 81 (5), 255-257.