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Journal articles
Open Access
Techniques for expanding the sphere of statistical process control, TAPPI JOURNAL July 1988

Techniques for expanding the sphere of statistical process control, TAPPI JOURNAL July 1988

Journal articles
Open Access
Statistical Process Control: An overview of goals and implementation 88JUN127

Statistical process control: An overview of goals and implementation, TAPPI JOURNAL June 1988

Journal articles
Open Access
Ethylene-carbon monoxide extrudable adhesive copolymers for polyvinylidene chloride, June 1988, TAPPI Journal 88JUN140

Ethylene-carbon monoxide extrudable adhesive copolymers for polyvinylidene chloride, TAPPI JOURNAL June 1988

Journal articles
Open Access
Development of waterborne laminating adhesive systems, June 1988, TAPPI Journal 88JUN145

Development of waterborne laminating adhesive systems, TAPPI JOURNAL June 1988

Journal articles
Open Access
Formulating to enhance the radiation cross linking of thermoplastic rubber for the hot-melt pressure-senstivie adhesives, June 1988, TAPPI Journal 88JUN155

Formulating to enhance the radiation crosslinking of thermoplastic rubber for hot-melt pressure-sensitive adhesives, TAPPI JOURNAL June 1988

Journal articles
Open Access
The top six forces shaping electrical distribution and management in the pulp and paper Industry, TAPPI JOURNAL, September 1999, Vol. 82(9)

The top six forces shaping electrical distribution and management in the pulp and paper Industry, TAPPI JOURNAL, September 1999, Vol. 82(9)

Journal articles
Magazine articles
Open Access
Considerations in managing wastewater odor at pulp and paper operations, TAPPI Journal March 2022

ABSTRACT: Many pulp and paper mills are, at least periodically, faced with the release of odors that can migrate offsite and be considered a nuisance by nearby residents. At chemical pulp mills, perceptible odors associated with reduced sulfur compounds (RSCs) are common, many of which are highly perceptible owing to their low odor thresholds. As releases of RSCs and other odorous substances from production processes are progressively controlled, the proportional contribution from wastewater treatment systems to areal odors can increase. This review paper summarizes important fundamentals of odor generation, source identification, and control. Common odorous substances are identified, and mechanisms for their generation are summarized. Approaches for measuring odorous substances are detailed to enable more effective management, and various odor control strategies are discussed.

Journal articles
Open Access
Effects of impregnation time on hardwood kraft pulp characteristics and papermaking potential â?¢ a mill study, TAPPI JOURNAL April 2010

Effects of impregnation time on hardwood kraft pulp characteristics and papermaking potential • a mill study, TAPPI JOURNAL April 2010

Journal articles
Open Access
CFD-Based Modeling of Kraft Char Beds â?¢ Part 2: A Study on the Effects of Droplet Size and Bed Shape on Bed Processes, TAPPI JOURNAL February 2010

CFD-Based Modeling of Kraft Char Beds • Part 2: A Study on the Effects of Droplet Size and Bed Shape on Bed Processes, TAPPI JOURNAL February 2010

Journal articles
Magazine articles
Open Access
Critical parameters for tall oil separation I: The importance of ration of fatty acids to rosin acids, TAPPI Journal September 2019

ABSTRACT: Tall oil is a valuable byproduct in chemical pulping of wood, and its fractions have a large spectrum of applications as chemical precursors, detergents, and fuel. High recovery of tall oil is important for the economic and environmental profile of chemical pulp mills. The purpose of this study was to investigate critical parameters of tall oil separation from black liquor. To investigate this in a controlled way, we developed a model test system using a “synthetic” black liquor (active cooking chemicals OH- and HS- ions), a complete process for soap skimming, and determination of recovered tall oil based on solvent extraction and colorimetric analysis, with good reproducibility. We used the developed system to study the effect of the ratio of fatty acids to rosin acids on tall oil separation. When high amounts of rosin acids were present, tall oil recovery was low, while high content of fatty acids above 60% significantly promoted tall oil separation. Therefore, manipulating the content of fatty acids in black liquor before the soap skimming step can significantly affect the tall oil solubility, and hence its separation. The findings open up chemical ways to improve the tall oil yield.

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