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Economical Closure of a Flyash Landfill Using Biosolids, 1999 Environmental Conference Proceedings

Economical Closure of a Flyash Landfill Using Biosolids, 1999 Environmental Conference Proceedings

Paper Mill Sludge: The Ultimate Recycling Challenge, 1999 Environmental Conference Proceedings

Paper Mill Sludge: The Ultimate Recycling Challenge, 1999 Environmental Conference Proceedings

Innovative Approach to Solving Stickies Problem and Developing Environmentally Benign Pressure Sensitive Adhesives Through Partnerships, 1999 Environmental Conference Proceedings

Innovative Approach to Solving "Stickies" Problem and Developing Environmentally Benign Pressure Sensitive Adhesives Through Partnerships, 1999 Environmental Conference Proceedings

Journal articles
Open Access
Editorial: Honoring the contributions of Dr. Mahendra Doshi

n this column, we would like to recognize the contributions to TAPPI and TAPPI Journal made by Dr. Mahendra Doshi, who passed away in April. A long-time member of TAPPI and a TAPPI Journal Editorial Board Member for many years, he is recognized for his research in screening system analysis, wax, and stickies removal in the field of recycling. Doshi was a pioneer in stickies classification and measurement methods for macro and micro stickies. During his career, he consulted with paper mills all over the world, providing mills with solutions for deinking, wax, stickies, yield, dirt count, and brightness.

Journal articles
Open Access
Exploratory study on how sub-ply fiber orientation affects t

ABSTRACT: The transition to 100% biobased packaging presents considerable challenges, particularly in the development of a petroleum-free barrier. Generally, biobased barriers exhibit lower flexibility compared to traditional barriers, thereby increasing the risk of cracking during the converting process. The present study examines the possibility of optimizing the substrate to reduce cracking in brittle barriers. Five three-ply composites were fabricated using commercial paperboard to enable a composite with different fiber orientation in the individual plies. The different orientations achieved varying mechanical properties, including strain-atbreak and folding resistance, with a ranking that is comparable to a standard multi-ply paperboard. The composites were subjected to creasing at five distinct depths to assess the area percent of barrier cracks across the crease bead. Micro-cracks appeared on the surface before larger coating cracks were registered. As expected, the area percent of barrier cracks increased significantly with greater creasing depths. The orientation of the bulky middle ply showed little difference in the cracking propensity. However, by replacing the stiffer bottom ply with a ply of lower stiffness, the cracking propensity was significantly reduced without a substantial loss in mechanical properties. Hence, these findings indicate that it is possible to reduce the cracks in the barrier by modifying the fiber orientation in the different plies.

Biological Removal of Methanol from Kraft Mill Condensate, 1999 Environmental Conference Proceedings

Biological Removal of Methanol from Kraft Mill Condensate, 1999 Environmental Conference Proceedings

Advancements in Landfill Capping with Paper Mill Sludge, 1999 Environmental Conference Proceedings

Advancements in Landfill Capping with Paper Mill Sludge, 1999 Environmental Conference Proceedings

Recycling of Water in Bleached Kraft Pulp Mills by Using Electrodialysis, 1999 Environmental Conference Proceedings

Recycling of Water in Bleached Kraft Pulp Mills by Using Electrodialysis, 1999 Environmental Conference Proceedings

Electrically Switched Ion Exchange (ESIX) for the Removal of Potassium to Enhance Water Recycle Opportunities, 1999 Environmental Conference Proceedings

Electrically Switched Ion Exchange (ESIX) for the Removal of Potassium to Enhance Water Recycle Opportunities, 1999 Environmental Conference Proceedings

Safe, Cost Effective and Environmentally Responsible Disposition of Pulp/Paper Mills, 1999 Environmental Conference Proceedings

Safe, Cost Effective and Environmentally Responsible Disposition of Pulp/Paper Mills, 1999 Environmental Conference Proceedings

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