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Journal articles
Open Access
Effects of sheet moisture and calender pressure on PCC and GCC coated papers, TAPPI JOURNAL November 2007

Effects of sheet moisture and calender pressure on PCC and GCC coated papers, TAPPI JOURNAL November 2007

Journal articles
Open Access
Blade, film, and curtain coating techniques and their influence on paper suface characteristics, TAPPI JOURNAL November 2007

Blade, film, and curtain coating techniques and their influence on paper suface characteristics, TAPPI JOURNAL November 2007

Journal articles
Open Access
The hemicellulose composition of pulp fibers and their ability to endure mechanical treatment, TAPPI JOURNAL, October 2007

The hemicellulose composition of pulp fibers and their ability to endure mechanical treatment, TAPPI JOURNAL, October 2007

Journal articles
Open Access
Factors contributing to improved environmental performance in the Finnish kraft pulping industry, TAPPI JOURNAL, September 2007

Factors contributing to improved environmental performance in the Finnish kraft pulping industry, TAPPI JOURNAL, September 2007

Journal articles
Open Access
Revisiting paper strength measurements or estimating combined board strength, TAPPI JOURNAL, September 2007

Revisiting paper strength measurements or estimating combined board strength, TAPPI JOURNAL, September 2007

Journal articles
Magazine articles
Open Access
A hundred years of corrosion in the pulp and paper industry, TAPPI JOURNAL May 2018

A hundred years of corrosion in the pulp and paper industry, TAPPI JOURNAL May 2018

Journal articles
Magazine articles
Open Access
Factors affecting particulate removal efficiency of kraft recovery boiler electrostatic precipitators: a technical review, TAPPI JOURNAL May 2018

Factors affecting particulate removal efficiency of kraft recovery boiler electrostatic precipitators: a technical review, TAPPI JOURNAL May 2018

Journal articles
Magazine articles
Open Access
Dry chip feedrate control using online chip moisture, TAPPI JOURNAL May 2018

Dry chip feedrate control using online chip moisture, TAPPI JOURNAL May 2018

Journal articles
Magazine articles
Open Access
Editorial: 2018 TAPPI Journal features diverse content, TAPPI Journal November 2018

Editorial: 2018 TAPPI Journal features diverse content, TAPPI Journal November 2018

Journal articles
Magazine articles
Open Access
Understanding the risks and rewards of using 50% vs. 10% strength peroxide in pulp bleach plants, TAPPI Journal November 2018

Authors: Alan W. Rudie and Peter W. Hart | ABSTRACT: The use of 50% concentration and 10% concentration hydrogen peroxide were evaluated for chemical and mechanical pulp bleach plants at storage and at point of use. Several dangerous occurrences have been documented when the supply of 50% peroxide going into the pulping process was not stopped during a process failure. Startup conditions and leaking block valves during maintenance outages have also contributed to explosions. Although hazardous events have occurred, 50% peroxide can be stored safely with proper precautions and engineering controls. For point of use in a chemical bleach plant, it is recommended to dilute the peroxide to 10% prior to application, because risk does not outweigh the benefit. For point of use in a mechanical bleach plant, it is recommended to use 50% peroxide going into a bleach liquor mixing system that includes the other chemicals used to maintain the brightening reaction rate. When 50% peroxide is used, it is critical that proper engineering controls are used to mitigate any risks.

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