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Large data set analysis to determine refiner plate total cost of ownership, TAPPI Journal June 2019
ABSTRACT: Efficient process data storage and its subsequent analysis are vital to the profitable operation of a paper mill. An evaluation of refiner plate performance was conducted for an integrated paper mill. Trials with two new plate patterns were compared with the incumbent pattern; the goal was to increase refiner plate life. Plate life increased with both new design patterns, and the mill selected one of the two new choices. However, addi-tional impacts to paper machine performance and mill maintenance costs were not considered in the selection deci-sion. A large data set analysis tool was used to identify unrealized savings of 1.5% with reduced fiber usage (basis weight) on the paper machine’s most prevalent grade. The large data analysis indicated that this unrealized benefit with the alternate plate design was not attainable with the chosen plate design.
Journal articles
Magazine articles
Editorial: TAPPI Journal 2018 Best Research Paper delves deeper into press section rewet to address drying efficiency, TAPPI Journal March 2019
ABSTRACT: TAPPI and the TAPPI Journal (TJ) Editorial Board would like to congratulate the authors of the 2018 TAPPI Journal Best Research Paper Award: J. David “Dave” McDonald and Richard J. “Dick” Kerekes. Their paper, “Rewet in wet pressing of pa-per,” appeared on p. 479 of the September 2018 issue. This research was recognized by the Editorial Board for its in-novation, creativity, scientific merit, and clear expression of ideas.
Journal articles
Magazine articles
A study of the softness of household tissues using a tissue softness analyzer and hand-felt panels, TAPPI Journal March 2019
ABSTRACT: This study applied the reciprocal matrix approach to deduce the correlation between hand-felt (HF) and tissue softness analyzer (TSA) instrumental measurements of tissue softness. The research was conducted in three phases, which are discussed separately. In the phase one study, results indicated that systematic collection of samples and preparation of test specimens were the foundation of successful tests. TSA-HF and tensile strength exhibited a strong negative correlation. In the future, same-unit physical properties can provide a basis for discuss-ing the commonality and complementary natures of hand-felt and TSA softness measurements. In phase two, through the reciprocal matrix approach, subjective softness assessments performed by humans were reliably quan-tified. The quantified values were further applied to a statistical analysis using the t-test to distinguish and train pro-fessional panelists. In phase three of HF panel test results, all independent panels were compared to one another under a uniform scale established by four standard samples. The calibrated HF panel values were incorporated with TSA-HF results to establish technical curves between the softness and tensile strength, which were helpful for onsite workers to carry out process controls.
Journal articles
Application of Imaging Reflectometry to Studies of Print Mottle on Commercially Printed Coated Papers, TAPPI JOURNAL January 2008
Application of Imaging Reflectometry to Studies of Print Mottle on Commercially Printed Coated Papers, TAPPI JOURNAL January 2008
Journal articles
Effects of debonding agents and refining on the properties of deinked pulp, TAPPI JOURNAL, July 2008
Effects of debonding agents and refining on the properties of deinked pulp, TAPPI JOURNAL, July 2008
Journal articles
Hot-water pre-extraction from loblolly pine (Pinus taeda) in an integrated forest products biorefinery
Hot-water pre-extraction from loblolly pine (Pinus taeda) in an integrated forest products biorefinery, TAPPI JOURNAL June 2008
Magazine articles
Editor's Note: Collecting industry information that counts,
Editor's Note: Collecting industry information that counts, TAPPI JOURNAL April 2010
Journal articles
Reappraisal of the role of turpentine vapor in noncondensible gas explosions, TAPPI JOURNAL April 2010
Reappraisal of the role of turpentine vapor in noncondensible gas explosions, TAPPI JOURNAL April 2010
Journal articles
Applications of tension and nip load profile measurement using a novel roll mounted electret film sensor, TAPPI JOURNAL April 2010
Applications of tension and nip load profile measurement using a novel roll mounted electret film sensor, TAPPI JOURNAL April 2010
Journal articles
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