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Journal articles
Open Access
Editor's Notes: Ready for a Test Drive, TAPPI JOURNAL, Novem

Editor's Notes: Ready for a Test Drive, TAPPI JOURNAL, November, 2006

Journal articles
Open Access
Production of high yield bleached hardwood kraft pulp: Breaking the kraft pulp yield barrier,TAPPI Journal December 2024

Author: Peter W. Hart | TAPPI J. 10(9): 37(2011) - ABSTRACT: A modified kraft pulping process has been developed that successfully breaks the traditional hard-wood kraft pulp yield barrier. The process produces fully bleached, high brightness hardwood kraft pulp with a yield of greater than 53% on wood. Details of the development and processing steps, along with various recovery cycle impacts, are discussed.

Journal articles
Open Access
Hydrogen peroxide and caustic soda: Dancing with a dragon while bleaching,TAPPI Journal December 2024

Peter W. Hart, Carl Houtman, and Kilby Hirth | TAPPI J. 12(7): 59(2013) - ABSTRACT: When hydrogen peroxide is mixed with caustic soda, an auto-accelerating reaction can lead to generation of significant amounts of heat and oxygen. On the basis of experiments using typical pulp mill process concentration and temperatures, a relatively simple kinetic model has been developed. Evaluation of these model results reveals that hydrogen peroxide-caustic soda systems are extremely sensitive to hydrogen peroxide:caustic soda ratio, transition metal contamination, and temperature. Small changes in initial conditions can result in a closed system becoming explosive. Analysis of model results was used to develop guidelines for safer application of hydrogen peroxide in a mill setting.

Journal articles
Open Access
Preparation and characterization of cellulose nanofibers from bleached pulp using a mechanical treatment method, TAPPI JOURNAL May 2014

Preparation and characterization of cellulose nanofibers from bleached pulp using a mechanical treatment method, TAPPI JOURNAL May 2014

Journal articles
Open Access
Extended usage of xylanase enzyme to enhance the bleaching of softwood kraft pulp, TAPPI JOURNAL, January 2006

Extended usage of xylanase enzyme to enhance the bleaching of softwood kraft pulp, TAPPI JOURNAL, January 2006, Vol. 5(1) (164 KB)

Journal articles
Open Access
Comparative annual cost efficiency between thermal and chemical oxidation of TRS in kraft mills, TAPPI JOURNAL, July 2005, Vol. 4(7) (200 KB)

Comparative annual cost efficiency between thermal and chemical oxidation of TRS in kraft mills, TAPPI JOURNAL, July 2005, Vol. 4(7) (200 KB)

Journal articles
Open Access
Are your thermowells safe?, TAPPI JOURNAL, April 2002 (270KB), (TAPPI JOURNAL APRIL 2002)

Are your thermowells safe?, SOLUTIONS! & TAPPI JOURNAL, April 2002 (270KB)

Journal articles
Open Access
Formation of sulfur-rich melt near the floor tubing of kraft recovery boilers, TAPPI JOURNAL, April 2002, Vol. 1(2) (192KB)

Formation of sulfur-rich melt near the floor tubing of kraft recovery boilers, TAPPI JOURNAL, April 2002, Vol. 1(2) (192KB)

Journal articles
Open Access
Thermal Yellowing of Hardwood Kraft Pulp Bleached with a Chlorine Dioxide Based Sequence, JOURNAL OF PULP AND PAPER SCIENCE: VOL. 28 NO. 4 APRIL 2002 [02APRJP115.pdf]

Thermal yellowing of hardwood kraft pulp bleached with a chlorine dioxide based sequence, Journal of Pulp and Paper Science, April 2001, Vol. 28(4) (111KB)

Journal articles
Open Access
High-yield pulping of switchgrass, Solutions! & TAPPI JOURNAL, August 2002 (144KB)

High-yield pulping of switchgrass, Solutions! & TAPPI JOURNAL, August 2002 (144KB)

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