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Root cause analysis of cationic polymer additive efficiency decline in virgin and recycle containerboard mills, TAPPI Journal January 2020

ABSTRACT: It is well known that retention, drainage and strength polymers struggle to perform (if at all) in virgin containerboard mills. In-depth studies have been undertaken in this area for more than seven years, investigating the issue from all directions. A key finding of this work is that soluble lignin is detrimental to chemical efficiency. A strong correlation exists between decreased chemical efficiency and high soluble lignin. Both recycled systems and virgin systems have been studied, and this correlation holds true regardless of furnish. The primary area of concern is virgin container-board, because these mills tend to have the highest lignin levels. Some highly closed recycled mills can also build elevated lignin levels that can negatively affect chemical efficiency.

Journal articles
Magazine articles
TAPPI Journal Summaries, Paper360º January/February 2020

TAPPI Journal Summaries, Paper360º January/February 2020

Journal articles
Magazine articles
Invisible Waste in Maintenance Organizations, Paper360º July/August 2020

Invisible Waste in Maintenance Organizations, Paper360º July/August 2020

Journal articles
Magazine articles
Paper Machine Water Efficiency, Paper360º July/August 2020

Paper Machine Water Efficiency, Paper360º July/August 2020

Journal articles
Magazine articles
TAPPI Journal Summaries, Paper360º July/August 2020

TAPPI Journal Summaries, Paper360º July/August 2020

Journal articles
Magazine articles
Over the Wire, Paper360º March/April 2020

Over the Wire, Paper360º March/April 2020

Journal articles
Magazine articles
Paptic: Paper Products to Help Save the World, Paper360º March/April 2020

Paptic: Paper Products to Help Save the World, Paper360º March/April 2020

Journal articles
Magazine articles
Preventive Maintenance Cards, Anyone?, Paper360º March/April 2020

Preventive Maintenance Cards, Anyone?, Paper360º March/April 2020

Journal articles
Magazine articles
Quick Evaluation of Fillers and Fines in Paper and Board, Paper360º March/April 2020

Quick Evaluation of Fillers and Fines in Paper and Board, Paper360º March/April 2020

Journal articles
Magazine articles
The European Industry: Plenty of Challenges and Opportunities, Paper360º March/April 2020

The European Industry: Plenty of Challenges and Opportunities, Paper360º March/April 2020

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