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Journal articles
Open Access
Deinking evaluation using near infrared narrow band digital

Deinking evaluation using near infrared narrow band digital image analysis, TAPPI JOURNAL August 2016

Journal articles
Open Access
Acoustic analysis of recovery boiler dissolving tank operati

Acoustic analysis of recovery boiler dissolving tank operation and smelt shattering efficiency, TAPPI JOURNAL September 2016

Journal articles
Open Access
Anionically surface treated inkjet and flexographic inks and

Anionically surface treated inkjet and flexographic inks and their deinkability, October 2016 TAPPI JOURNAL

Journal articles
Open Access
Passivation of pressure sensitive adhesive stickies by addit

Passivation of pressure sensitive adhesive stickies by addition of acrylic fibers to OCC pulp before papermaking, October 2016 TAPPI JOURNAL

Journal articles
Magazine articles
Open Access
Effect of eucalyptus bark contamination during pulping of mi

Effect of eucalyptus bark contamination during pulping of mixed southern hardwoods, November 2016 TAPPI JOURNAL

Journal articles
Open Access
Reducing aox by increasing oxidation potential in the first caustic extraction stage, TAPPI Journal December 2024

Authors: Peter W. Hart and Jeffrey S. Hsieh | Tappi J. 74(11): 117(1991) - ABSTRACT: An increase in the standard oxidation potential of the reinforcing agent in the first caustic extraction stage will reduce the amount of AOX in the stage's effluent. A chlorinated broumstock pulp was treated alternatively in a basic caustic extraction (E) stage, an oxygen-reinforced caustic extraction (EO) stage, and an extraction stage reinforced with oxygen and peroxide (EOP). An AOX reduction of up to 30% was obtained in the effluent from the peroxide-reinforced extraction stage. In addition to the brownstock work, using two different model lignin compounds, we ran tests using oxyen, potassium permanganate, hydrogen peroxide with oxygen, and ozone with oxygen-reinforced caustic stages. In all cases, increasing the oxidation potential of the reinforcing agent decreased the amount of AOX detected in the effluent.

Journal articles
Open Access
Reducing aox by increasing oxidation potential in the first

ABSTRACT An increase in the standard oxidation potential of the reinforcing agent in the first caustic extraction stage will reduce the amount of AOX in the stage's effluent. A chlorinated broumstock pulp was treated alternatively in a basic caustic extraction (E) stage, an oxygen-reinforced caustic extraction (EO) stage, and an extraction stage reinforced with oxygen and peroxide (EOP). An AOX reduction of up to 30% was obtained in the effluent from the peroxide-reinforced extraction stage. In addition to the brownstock work, using two different model lignin compounds, we ran tests using oxyen, potassium permanganate, hydrogen peroxide with oxygen, and ozone with oxygen-reinforced caustic stages. In all cases, increasing the oxidation potential of the reinforcing agent decreased the amount of AOX detected in the effluent.

Journal articles
Open Access
An elliptical pore model for the mechanical properties of pa

An elliptical pore model for the mechanical properties of paper, TAPPI JOURNAL August 2015

Journal articles
Open Access
Some observations towards improved predictive models for box compression strength, TAPPI JOURNAL August 2015

Some observations towards improved predictive models for box compression strength, TAPPI JOURNAL August 2015

Journal articles
Open Access
Fast evaluation of spatial coating layer formation using ultraviolet scanner imaging

Fast evaluation of spatial coating layer formation using ultraviolet scanner imaging

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