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Editorial: Looking forward, looking back, TAPPI Journal January 2022
ABSTRACT: Much like 2020, 2021 was another year of remarkable highs and lows delivered by the COVID-19 pandemic. Vaccines, variants, and infection surges altered the way we behaved personally and professionally last year. As we move into 2022, we are now grappling with health and business concerns from the omicron variant that has overwhelmed hospitals in some areas and contributed to a global supply chain crisis. The ability to adjust has once again become a key skill in adapting to our shifting “new normal.”
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Continuous digester rapid thinning, TAPPI Journal June 2024
ABSTRACT: Carbon steel continuous digesters built after the early 1980s are fully stress relieved, so stress corrosion cracking has been less of a concern. However, these newer digesters were designed to run modified cooking processes that have turned out to be much more corrosive than those running with conventional cooking. This corrosion is mainly associated with softwood digesters and appears to be flow related. Average corrosion rates of 40 mil/year are possible on the exposed shell between the wash and extraction screens. The corrosion patterns are visually distinct from surfaces in the upper digester and below the wash screens. This paper goes into practical detail on where it occurs, the causes, visual identification, inspection planning and results evaluation, and finally, how to mitigate this damage, which consists of applying a corrosion resistant barrier. Some discussion on dealing with general corrosion throughout the digester is included.
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Editorial: Seshadri Ramkumar: Nonwovens specialist and TTU professor joins TJ Editorial Board, TAPPI Journal October 2021
ABSTRACT: TAPPI and the TAPPI JOURNAL (TJ) editorial staff would like to welcome a new member to the TJ Editorial Board, Seshadri “Ram” Ramkumar, Ph.D., a professor in the Department of Environmental Toxicology at Texas Tech University (TTU) in Lubbock, TX. Readers will be familiar with Ram as a frequent contributor of guest editorials in TAPPI Journal on the topic of nonwovens.
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North America’s First Tree-Free Pulp Mill, Paper360º March/April 2019
North America’s First Tree-Free Pulp Mill, Paper360º March/April 2019
Journal articles
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Problems Solved: Tracking True for Success, Paper360º March/April 2019
Problems Solved: Tracking True for Success, Paper360º March/April 2019
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Getting to World Class Reliability & Maintenance with Visual Reminders, Paper360º March/April 2019
Getting to World Class Reliability & Maintenance with Visual Reminders, Paper360º March/April 2019
Journal articles
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Global or Local: Does Mill Location Make a Difference?, Paper360º March/April 2019
Global or Local: Does Mill Location Make a Difference?, Paper360º March/April 2019
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ASPI News, Paper360º March/April 2019
ASPI News, Paper360º March/April 2019
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Incorporating KPIs into Your Safety Management System, Paper360 May/June 2019
Incorporating KPIs into Your Safety Management System, Paper360 May/June 2019
Journal articles
Magazine articles
Fastmarkets RISI’s 2019 Asian CEO of the Year: Susumu Yajima, Oji Holdings Corporation, Paper360 May/June 2019
Fastmarkets RISI’s 2019 Asian CEO of the Year: Susumu Yajima, Oji Holdings Corporation, Paper360 May/June 2019