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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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Using multistage models to evaluate how pulp washing after the first extraction stage impacts elemental chlorine-free bleach demand, TAPPI Journal November 2018

Using multistage models to evaluate how pulp washing after the first extraction stage impacts elemental chlorine-free bleach demand, TAPPI Journal November 2018

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Open Access
Editorial: Planning for 2017 PEERS Conference: Maximizing success through innovation, TAPPI JOURNAL January 2017

Editorial: Planning for 2017 PEERS Conference: Maximizing success through innovation, TAPPI JOURNAL January 2017

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Open Access
Paper coated with sonochemically synthesized zinc oxide nanoparticles: Enhancement of properties for preservation of documents, TAPPI JOURNAL January 2017

Paper coated with sonochemically synthesized zinc oxide nanoparticles: Enhancement of properties for preservation of documents, TAPPI JOURNAL January 2017

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Open Access
Physical handsheet properties of pulp furnishes containing attritor-treated fibers, TAPPI JOURNAL January 2017

Physical handsheet properties of pulp furnishes containing attritor-treated fibers, TAPPI JOURNAL January 2017

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Open Access
Fractional pulping of packaging board in high consistency drum pulping, TAPPI JOURNAL February 2017

Fractional pulping of packaging board in high consistency drum pulping, TAPPI JOURNAL February 2017

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Open Access
Accelerated aging of bio-oil from lignin conversion in subcr

Accelerated aging of bio-oil from lignin conversion in subcritical water, TAPPI JOURNAL March 2017

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Open Access
An easy and reliable method for syringyl:guaiacyl ratio mea

An easy and reliable method for syringyl:guaiacyl ratio measurement, TAPPI JOURNAL March 2017

Journal articles
Magazine articles
Open Access
Analysis of economically viable lignin-based biorefinery st

Analysis of economically viable lignin-based biorefinery strategies implemented within a kraft pulp mill, TAPPI JOURNAL March 2017

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