Improved transition metal removal in a reducing agent-assisted chelation stage: A laboratory study - Sodium hydrosulphite is the ideal reducing agent

Pulp and Paper Canada

Volumn 99, Issue 8, 1998, Pages 77-80

  Ni, Y ^a   Li, Z ^a   Jiang, Q ^c   Court, G ^b   Burtt, M ^b  

^a UNIVERSITY OF NEW BRUNSWICK   (Canada)

^b IRVING PULP AND PAPER LTD   (Canada)

^c NONE

Author keywords

Brightness; Chelation; Iron; Manganese; Mechanical pulps; Reductants; Transition metals

Indexed keywords

AGENTS; BLEACHED PULP; BLEACHING; CHELATION; HYDROGEN PEROXIDE; IRON; MANGANESE; SODIUM COMPOUNDS;

SODIUM BOROHYDRIDE; SODIUM HYDROSULFITE;

THERMOMECHANICAL PULP;

EID: 0032136839     PISSN: 03164004     EISSN: None     Source Type: Trade Journal    
DOI: None     Document Type: Article

References (5)

1. DICK, R.H. and ANDREWS, D.H., Pulp Pap. Can. 62(3):T201 (1965).
2. LINDAHL, J.A.I., Swedish patent, 416,481 (1981).
3. GELLERSTEDT, G. and PETTERSSON, I., J. of Wood Chem. Technol. 2(3):231 (1982).
4. NYE, J., Proc. 1996 Ind. Pulp Bleaching Conf., Washington, DC pp 485 (1996).
5. The Dow Chemical Company. Versene chelating agents. Midland, MI, p. 4.12 (1993).