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On-machine visible dirt measurement on moving sheets and the relationships to standard laboratory methods, TAPPI Journal August 2020
ABSTRACT: There has been a proliferation of new sensors to measure on-machine dirt specks that employ different technologies and methodologies to perform measurements. The differences in the on-machine technologies are discussed in terms of the TAPPI and ISO standard laboratory test methods with respect to dirt detection using light reflected from, or light transmitted through, the sheet. Also discussed are the requirements for measuring sta-tistically representative areas of the sheet; the difference between the dirt physical size and Equivalent Black Area (EBA) size; and the implication of these issues when specifying cleanliness acceptance criteria.This technical brief describes on-machine visible dirt measurement’s relationship to standard laboratory testing.
Journal articles
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Magnetization of aminated lignin and characterization, TAPPI JOURNAL January 2019
Magnetization of aminated lignin and characterization, TAPPI JOURNAL January 2019
Journal articles
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Editorial: Celebrating Wayne Carr
Editorial: Celebrating Wayne Carr: A true recycling visionary, TAPPI JOURNAL November 2017
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Magazine articles
Editorial: Explore the experience of this year’s virtual PEERS Conference, TAPPI Journal September 2020
ABSTRACT: Since impacts from the pandemic took hold this past March, we’ve all begun to truly ap-preciate safe in-person interaction with others. Whether it’s a trip to the grocery, visiting elderly parents, instructing students, or networking with colleagues, no direct contact is simple, so we’ve learned to negotiate virtual gatherings in a way we never dreamed would be important at the start of 2020.
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Editorial: Nonwovens sector provides opportunities for professional and advanced textiles growth, TAPPI Journal February 2023
ABSTRACT: With inflation still lingering, global fiduciary regulatory agencies like the U.S. Federal Reserve are handling the issue by hiking base interest rates. The recent COVID-19 pandemic has exposed lagging investments for advanced and agile manufacturing in developed economies in the recent past. Because of this situation, governments have begun taking policy initiatives, such as boosting support for infrastructure in the United States, creating a National Mission on Technical Textiles in India, and many initiatives in the United Kingdom and European Union to boost clean energy, fight climate change, and encourage sustainable manufacturing.
Journal articles
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Alternative “green” lime kiln fuels: Part I—Pulping/recovery byproducts, TAPPI Journal May 2020
ABSTRACT: This paper is the first of a two-part series on “green” lime kiln fuels. The first part of this work reviews the use of pulp mill and recovery byproducts as either full or partial replacement of oil or natural gas in the kiln. The second part reviews the use of various forms of woody biomass, bio-oils, gasification, and hydrogen as potential carbon neutral or carbon-free lime kiln fuels.
Journal articles
Hydrogen peroxide and caustic soda: Dancing with a dragon while bleaching, TAPPI JOURNAL July 2013
Authors: Peter W. Hart; Carl Houtman; and Kilby Hirth | 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.
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Multifunctional starch-based barrier materials, TAPPI Journal August 2021
ABSTRACT: Natural and renewable polymer-based barrier materials play an inevitable role in a sustainable economy. Most commercially available barrier materials are either based on multiple layers of synthetic polymers or petroleum-based chemicals. Tremendous amounts of research are being done in academia and industry to replace these synthetic barrier materials with natural and environmentally friendly materials. The current work summarizes the application of starch-based materials for various barrier applications, such as water vapor, oxygen, liquid water, oil, and grease. Also, exotic starch-based barrier materials for the application of sound, ultraviolet, and thermal barrier applications are reviewed. The potential of starch-based materials to offer antimicrobial and antiviral properties is discussed. Finally, commercially available starch-based barrier materials have been summarized.
Journal articles
Magazine articles
Editorial: Impacts from using recycled pizza boxes in furnish: TAPPI Journal’s runner-up to 2021 Best Research Paper, TAPPI Journal August 2022
ABSTRACT: The runner-up to the 2021 TAPPI Journal Best Research Paper was “Incorporation of post-consumer pizza boxes in the recover Fiber Stream: Impact of grease on finished product quality."
Journal articles
Editorial: Special issue on Paper Physics highlights continued focus on packaging, TAPPI Journal August 2025
ABSTRACT: It is a great pleasure to present this special issue of TAPPI Journal, featuring papers from the 2024 International Paper Physics Conference (IPPC) that have been peer-reviewed for publication in this journal. The conference was held in Wuppertal, Germany, from September 30 to October 2, 2024. This IPPC series is one component of the annual meeting of the International Paper Physics Committee and community, complementing the Fundamental Research Symposia established in 1957 — and the Progress in Paper Physics meetings.