BLEACHING COMMITTEE

BLEACHING COMMITTEE - TECHNICAL SECTION, CPPA

MAY 1-3, 1995, Castlegar, BC

1. Index

2. Attendance

3. Steering Committee Meeting

4. Business Meeting

5. Subcommittee Meetings

Bleaching Equipment
Annual Meeting
Environmental Impacts
Teaching Bleaching
Bleaching Chemicals
Bleach Plant Protocol

6. Technical Session (copies of papers in Appendix 3)

Physical-Chemical Interactions Affecting Control in the Modern ECF Fibreline
MgSO₄ Applications in Kraft Bleaching (paper not available)
Corrosion Problems Associated with ECF and TCF Bleaching
New Technology Developments for the Closed Cycle Bleach Plant
The Bleach Plant Recycle (BFR) Process

7. Mill Opportunities Session

8. Mill Problems and Solutions Session

Appendix 1 - Subcommittee Reports

1995 Canadian Survey on Substitution of Chlorine Dioxide for Chlorine p. 1
The Bleach Plant of the Future - With ClO₂ p. 15
Tech ‘95 Courses p. 17
Pulp Washing ‘96 Workshop and Conference p. 18
Survey of Bleach Washing Practices in Canadian Kraft Mills p. 19
Glossary of Bleaching Terms - DRAFT p. 25
Safety Incident - repulper blowback scalded operator p. 30

Appendix 2 - Liaison Reports

TAPPI Bleaching Committee p. 1

Appendix 3 - Technical Session

Physical-Chemical Interactions Affecting Control in the Modern ECF Fibreline p. 1
Corrosion Problems Associated with ECF and TCF Bleaching p. 13
New Technology Developments for the Closed Cycle Bleach Plant p. 16
The Bleach Plant Recycle (BFR) Process p. 24

Appendix 4 - Miscellaneous

Corrosion Behavior of Hydrogen Peroxide Bleaching Solutions p. 1

BLEACHING COMMITTEE - TECHNICAL SECTION, CPPA

MAY 1-3, 1995, Castlegar, BC
MEMBERS PRESENT:

Tom Mullen	Mp	Air Products Canada Ltd.,Brampton, PQ
Steve Herbert	M	Alberta Pacific Forest Industries, Boyle, AB
Burton Branch	M	Alcell Technologies Inc., Miramichi, NB
Shawn Russell	M	Avenor Inc., Dryden, ON
Ron Dokis	M	Avenor Inc., Thunder Bay, ON
Jack Ayton	M	Canadian Liquid Air, Vancouver, BC
John Brazil	M	Canfor, Prince George, BC
Ted Tam	M	Cariboo Pulp & Paper, Quesnel, BC
Tony Wong	M	Celgar Pulp, Castlegar, BC
Rogelio Vega Canovas	M	Champion International Corp., Pensacola, FL
Julien Audette	M	Conpal Automation Inc., Edmonton, AB
Doug Reid	M	Crestbrook Forest Ind., Cranbrook, BC
Nancy Van Allen	M	CXY Chemicals, North Vancouver, BC
Dan Davies	M	Degussa Canada, Vancouver, BC
Pierre Jean	Ms	Donohue St-Felicien, St-Felicien, PQ
Gordon Brown	Mp	Dow Chemical, Sarnia, ON
Ross Anderson	M	Dupont Canada Inc., Mississauga, ON
John Griffiths	M	E.B. Eddy, Espanola, ON
Tom Fawcett	M	Fletcher Challenge Canada, Crofton, BC
Carlo Dal Monte	M	Fletcher Challenge Canada, Elk Falls, BC
Don Olson	M	Fletcher Challenge Canada, Mackenzie, BC
Dave Willis	Mp	FMC of Canada, Prince George, BC
Peter Gleadow	Ms	H.A.Simons, Vancouver, BC
Doug McKenzie	M	Harmac Pacific Inc., Nanaimo, BC
Chris Kanters	M	ICI Canada Inc., Montreal, PQ
Tom McDonough	M	Institute of Paper Science and Technology, Atlanta, GA
Jeff Tolan	M	Iogen Corporation, Ottawa, ON
Jack Histed	M	Jack Histed Consulting Ltd., L’Orignal, ON
France Champagne	M	James Maclaren, Thurso, PQ
Jim Collins	M	James River Marathon, Marathon ON
Marco Solinas	M	MacMillan Bloedel Research, Burnaby, BC
Dennis Matson	M	Northwood Pulp and Timber, Prince George, BC
Jianxin Chen	M	Paprican, Vancouver, BC
Mark Nichols	Ms	Quadra Chemicals, Delta, BC
Stuart Scott	M	Repap, Miramichi, NB
Mike Luers	Ms	Sandwell, Vancouver, BC
Richard Picotte	M	St. Laurent Paperboard, La Tuque, PQ
Jim Davidson	Ms	Sterling Pulp Chemicals, North Vancouver, BC
Gilles St.-Jean	M	Stone Container, Portage du Fort, PQ
Réal Paquin	M	Stone-Consolidated R&D, Grand-Mere, PQ
Ken Mitchell	M	Stora Forest Ind., Port Hawkesbury, NS
Tony Gomersall	Mp	Valmet Automation Canada Ltd., Montreal, PQ
Joel Young	Ms	Weldwood, Hinton, AB
Jim Oei	M	Western Pulp Ltd. Partnership, Squamish, BC
Gary Berndt	M	Weyerhauser, Kamloops, BC
Eric Yee	M	Weyerhauser, Prince Albert, SK

M = member, Mp = probationary member, Ms = member’s substitute, G = guest

BLEACHING COMMITTEE - TECHNICAL SECTION, CPPA

MAY 1-3, 1995, Castlegar, BC
GUESTS PRESENT:

Mark Sordi	G	Alberta Pacific Forest Industries, Boyle, AB
Anders Samuelson	G	Crestbrook Forest Ind., Cranbrook, BC
Ralph Gough	G	Dow Chemical, Richmond, BC
Web Teetzel	G	Dupont Canada Inc., Burnaby, BC
Janice Hopp	G	Dupont Canada Inc., Edmonton, AB
Al Hazelquist	G	Eka Nobel Inc., Gig Harbor, WA
Fred Clark	G	Eka Nobel Inc., Marletta, GA
Alan Cook	G	H.A.Simons, Vancouver, BC
Tim Evans	G	National Silicates Ltd., toronto, ON
Jim Moran	G	National Silicates, Vancouver, BC
Mick Snaychuk	G	Northwood Pulp and Timber, Prince George, BC
Patti Turner	G	Paprican, Vancouver, BC
Steve Clarke	G	Paprican, Vancouver, BC
Glen Black	G	Technical Section CPPA, Montreal, PQ
Sven Smeds	G	Valmet Automation Canada Ltd., Vancouver, BC
Jamie Higo	G	Weyerhauser, Kamloops, BC
Kevin Dunn	G	Wheelabrator Engineered Systems Inc., Naperville, IL

M = member, Mp = probationary member, Ms = member’s substitute, G = guest

Minutes approved by:

Don Olson

Western Vice-Chair