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Magazine articles
Open Access
UGA warnell school of forest resources builds mobile lab for wastewater analyses and management, TAPPI JOURNAL, December 1999, Vol. 82(12)

UGA warnell school of forest resources builds mobile lab for wastewater analyses and management, TAPPI JOURNAL, December 1999, Vol. 82(12)

Magazine articles
Open Access
Extend the life of your hoists, TAPPI JOURNAL, February 1994, Vol. 77(2)

Extend the life of your hoists, TAPPI JOURNAL, February 1994, Vol. 77(2)

Magazine articles
Open Access
Drying: New lime mud dryer kiln helps James Riverâ??s Pennington, AL, mill meet environmental restrictions, December 1995 Tappi Journal [95Dec37.pdf]

New lime mud dryer kiln helps james river's pennington, al, mill meet environmental restrictions, TAPPI JOURNAL, December 1995, Vol. 78(12)

Magazine articles
Open Access
ECF results please gruvon mill, TAPPI JOURNAL, January 1995, Vol. 78(1)

ECF results please gruvon mill, TAPPI JOURNAL, January 1995, Vol. 78(1)

Magazine articles
Open Access
Unbleached denim finds new life in 'blue jean' paper products, TAPPI JOURNAL, December 1993, Vol. 76(12)

Unbleached denim finds new life in 'blue jean' paper products, TAPPI JOURNAL, December 1993, Vol. 76(12)

Magazine articles
Open Access
Forklift emissions - some solutions, TAPPI JOURNAL, December 1993, Vol. 76(12)

Forklift emissions - some solutions, TAPPI JOURNAL, December 1993, Vol. 76(12)

Magazine articles
Open Access
1994 polymers, laminations and coatings conference highlights technology basics, TAPPI JOURNAL, December 1994, Vol. 77(12)

1994 polymers, laminations and coatings conference highlights technology basics, TAPPI JOURNAL, December 1994, Vol. 77(12)

Journal articles
Magazine articles
Open Access
Effects of different ammonium lignosulfonate contents on the crystallization, rheological behaviors, and thermal and mechanical properties of ethylene propylene diene monomer/polypropylene/ammonium lignosulfonate composites, TAPPI Journal January 2020

ABSTRACT: Thermoplastic elastomer (TPE), made from ethylene propylene diene monomer (EPDM) and polypropylene (PP) based on reactive blending, has an excellent processing performance and characteristics and a wide range of applications. However, there are currently no reports in the literature regarding the usage of TPE in making composite boards. In this paper, EPDM, PP, and ammonium lignosulfonate (AL) were used as the raw materials, polyethylene wax was used as the plasticizer, and a dicumyl peroxide vulcanization system with dynamic vulcanization was used to make a new kind of composite material. This research studied the influences of the AL contents on the crystallization behaviors, rheological properties, thermal properties, and mechanical properties of the composites. The results showed that the AL content had a noticeable impact on the performance of the composite board. Accordingly, this kind of composite material can be used as an elastomer material for the core layer of laminated flooring.

Journal articles
Magazine articles
Open Access
Incorporation of post-consumer pizza boxes in the recovered fiber stream: Impacts of grease on finished product quality, TAPPI Journal March 2021

ABSTRACT: Grease and cheese contamination of used pizza boxes has led to misunderstanding and controversy about the recyclability of pizza boxes. Some collection facilities accept pizza boxes while others do not. The purpose of this study is to determine whether typical grease or cheese contamination levels associated with pizza boxes impact finished product quality. Grease (from vegetable oil) and cheese are essentially hydrophobic and in sufficiently high concentration could interfere with interfiber bonding, resulting in paper strength loss.Findings from this study will be used to determine the viability of recycling pizza boxes at current and future con-centrations in old corrugated containers (OCC) recovered fiber streams. These findings will also be used to inform the acceptability of pizza boxes in the recycle stream and educate consumers about acceptable levels of grease or cheese residue found on these recycled boxes.

Journal articles
Magazine articles
Open Access
Development of converging-diverging multi-jet nozzles for molten smelt shattering in kraft recovery boilers, TAPPI Journal March 2021

ABSTRACT: The effective shattering of molten smelt is highly desired in recovery boiler systems. Ideally, shatter jet nozzle designs should: i) generate high shattering energy; ii) create a wide coverage; and iii) minimize steam consumption. This study proposes a novel converging-diverging multi-jet nozzle design to achieve these goals. A laboratory setup was established, and the nozzle performance was evaluated by generating jet pressure profiles from the measurement of a pitot tube array. The results show that the shatter jet strength is greater with a large throat diameter, high inlet pressure, and a short distance between the nozzle exit and impingement position. Increasing the number of orifices generates a wider jet coverage, and the distance between the orifices should be limited to avoid the formation of a low-pressure region between the orifices. The study also demonstrates that an optimized converging-diverging multi-jet nozzle significantly outperformed a conventional shatter jet nozzle by achieving higher energy and wider coverage while consuming less steam.

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