Testing Technology for Papermaking 4.0, Tissue360º Fall/Winter 2022

Papermaking is a complex and dynamic process with many possibilities of adjustments and influences in a complex production plant. With high level automation and production monitoring it is possible to increase the efficiency of the process. Monitoring the charge environment—the particle charge and the zeta potential—in the wet end of the papermaking process improves the production efficiency and is extremely important in such complex systems.

Unclear charge conditions can lead to losses in quality of the base or the finished product, disturbances of the production process, and higher cost for additives. A permanent control is especially important if different chemical additives are used, which are supposed to ensure a well-functioning production process and certain quality requirements of the base paper and finished product. Having information about the charge conditions available helps to optimize the dosage of additives throughout the complete wet end process and allows the mill technicians and engineers to get a good overview of the status.

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