Improving peroxide bleaching of mechanical pulps by the P M process

Pulp and Paper Canada

Volumn 104, Issue 12, 2003, Pages 78-80

  Ni, Y ^a   Li, Z ^b   Court, G ^b   Belliveau, R ^b   Crowell, M ^b  

^a UNIVERSITY OF NEW BRUNSWICK   (Canada)

^b IRVING PULP AND PAPER LTD   (Canada)

Author keywords

Hydrogen peroxide; Mechanical pulps; Multistage process; Peroxide bleaching; Silicates; Sodium hydroxide

Indexed keywords

BLEACH LIQUOR;

BLEACHING; CASCADE CONTROL SYSTEMS; CAUSTIC SODA; CELLULOSE; CHELATION; DECOMPOSITION; HYDROGEN PEROXIDE; KRAFT PULP; POLYETHYLENES; SILICATES; SLURRIES; SODIUM COMPOUNDS;

MECHANICAL PULP;

BLEACHING; HYDROGEN PEROXIDE; MECHANICAL PULPS; SLUSH PULPS;

EID: 0942277904     PISSN: 03164004     EISSN: None     Source Type: Trade Journal    
DOI: None     Document Type: Article

References (7)

1. Y. NI, G. COURT, Z. LI, M. MOSHER, M. TUDOR AND M. BURTT. Improving peroxide bleaching of mechanical pulp by an enhanced chelation process. Pulp & Paper Canada, 100(10):51 (1999).
2. J.R. PRESLEY AND R.T. HILL, Pulp Bleaching - Principles and Practice. Edited by C.W. Dence and D.W. Reeve, Tappi Press, 480-481 (1996).
3. M. WEKESA AND Y. NI. Further understanding of the chemistry of the manganese-induced peroxide decomposition, Canadian J. of Chemical Engineering. In Press.
4. J. LIDEN AND L.OHMAN. Redox stabilization of iron and manganese in the +II oxidation state by magnesium precipitates and some anionic polymers. J. Pulp Paper Sci. 23:J198 (1997).
5. Y. NI, J. YAN AND H. OHI. Further understanding on the manganese-induced peroxide decomposition. J. Pulp Paper Sci. 26(3):90 (2000).
6. Z. QIU AND Y. NI. Methods to decrease the Mninduced peroxide decomposition. Appita J. In press.
7. G.J. KANG AND Y. NI. The formation of peracetic acid and its impact on peroxide bleaching of mechanical pulps. Preprints, 11th International Symposium on Wood and Pulping Chemistry. Nice, France, June 2001, Book I, p. 351.