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Journal articles
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Open Access
Water chemistry challenges in pulping and papermaking • fundamentals and practical insights: Part 2: Conductivity, charge, and hardness, TAPPI Journal June 2023

ABSTRACT: Although water is essential to the papermaking process, papermakers often overlook its importance and focus on fibers, fillers, and chemical additives. A better understanding of water properties and chemical interactions associated with water at the wet end leads to a sound foundation for high-quality paper production and smooth operation. Water is an excellent solvent for ionic substances, both organic and inorganic. These substances contribute to system conductivity, charge, and hardness and significantly impact the papermaking process. Part 1 of this paper, published in TAPPI J. 21(6): 313(2022), discussed fundamental water properties, water chemistry, and the impact of pH on pulping and papermaking operations. In this paper, we review definitions, sources, and the typical symptoms of the effect of conductivity, charge, and hardness on the productivity of the papermaking process. Sources of conductivity, charge, and hardness impacting these factors, measurement methods, and available correction strategies for their control are also discussed.

Journal articles
Open Access
Image analytical monitoring of paper quality - a feasibility

Image analytical monitoring of paper quality - a feasibility study, TAPPI JOURNAL, November 2006

Journal articles
Open Access
AOX Content of Paper Manufactured with 'Chlorine Free' Pulps

AOX Content of Paper Manufactured with 'Chlorine Free' Pulps, 1995 Papermakers Conference Proceedings

Journal articles
Open Access
The relationship between Kappa Number and Oxidizable Structures in Bleached Kraft Pulps, JOURNAL OF PULP AND PAPER SCIENCE: VOL. 28 NO. 8 AUGUST 2002 [02AUGJP262.pdf]

The relationship between kappa number and oxidizable structures in bleached kraft pulps, Journal of Pulp and Paper Science, August 2002, Vol. 28(8) (107KB)

Journal articles
Open Access
Application of polyallylamine as a dry strength agent for paper, TAPPI JOURNAL, December 2000, Vol. 83(12)

Application of polyallylamine as a dry strength agent for paper, TAPPI JOURNAL, December 2000, Vol. 83(12)

Journal articles
Open Access
Qualification of welding procedures for duplex stainless steels, TAPPI JOURNAL, September 2000, Vol. 83(9)

Qualification of welding procedures for duplex stainless steels, TAPPI JOURNAL, September 2000, Vol. 83(9)

Journal articles
Open Access
The laboratory twin-former part 1: design and performance, TAPPI JOURNAL, October 2000, Vol. 83(10)

The laboratory twin-former part 1: design and performance, TAPPI JOURNAL, October 2000, Vol. 83(10)

Journal articles
Open Access
Great northern paper revitalizes millinocket mill, TAPPI JOURNAL, December 2000, Vol. 83(12)

Great northern paper revitalizes millinocket mill, TAPPI JOURNAL, December 2000, Vol. 83(12)

Journal articles
Open Access
Computational modelling of paper drying machines, TAPPI JOURNAL, September 2000, Vol. 83(9)

Computational modelling of paper drying machines, TAPPI JOURNAL, September 2000, Vol. 83(9)

Journal articles
Open Access
Innovations in forming earn brian attwood TAPPI's 2000 Gunnar Nicholson Gold Medal, TAPPI JOURNAL, February 2000, Vol. 83(2)

Innovations in forming earn brian attwood TAPPI's 2000 Gunnar Nicholson Gold Medal, TAPPI JOURNAL, February 2000, Vol. 83(2)

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