journal article·2022-08-01

On the usage of online fiber measurements for predicting bleached eucalyptus kraft pulp tensile index — an industrial case

R.B. DEMUNER, C.A. FARIA, A.A.R. DE ALMEIDA, P.N. PIGNATON

TAPPI Journal· Volume 21· Issue 7
Publisher page

Abstract

Cellulose pulp’s physical-mechanical properties are determined by laboratory tests obtained from prepared handsheets. However, this procedure is time intensive and presents a lead time until the results are available, hindering its utilization for monitoring and decision-making in a pulp mill. In this context, developing real-time solutions for physical-mechanical properties prediction is fundamental. This work applied a mathematical modeling approach to develop a soft sensor for tensile index monitoring. The mathematical model considers online morphology measurements obtained from the last bleaching stage outlet stream and important process variables for tensile index prediction. The results obtained are satisfactory compared to laboratory results, presenting a mean absolute percentual error of 2.5%, which agrees with the laboratory testing method’s reproducibility.
Source: crossref · Quality: baseline

Research context

OpenAlex topics: Advanced Cellulose Research Studies · Polysaccharides Composition and Applications · Material Properties and Processing

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

References (16)

Show source-provided references
1. Fiserová, M. and Gigac, J., Cellul. Chem. Technol. 45(9-10): 627(2011).
2. Cotterill, P. and Macrae, S., TAPPI J. 80(6): 82(1997).
3. Tomkins, M.R., Gilbert, W., and Trung, T., TAPPI J. 17(4): 207(2018). https://doi.org/10.32964/TJ17.04.207.10.32964/TJ17.04.207 ↗
4. Demuner, B.J. and Claudio-da-Silva Jr., E., “Eucalyptus: Today’s preferred short-fiber pulp,” in The World of Market Pulp (H. Nanko, A.Button, D. Hillman, et al., Eds.), WOMP LLC, Appleton, WI, USA, 2005.
5. Page, D.H., Tappi 52(4): 99(1969).
6. Page, D.H., Seth, R.S., Jordan, B.D., et al., “Curl, crimps, kinks and microcompressions in pulp fibres — their origin, measurements and significance,” in Papermaking Raw Materials, Trans. of the VIIIth Fund. Res. Symp. Oxford, 1985, (V. Punton, Ed.), FRC, Manchester, 2018, pp. 183–227.10.15376/frc.1985.1.183 ↗
7. Horn, R.A., “Morphology of pulp fiber from hardwoods and influ-ence on paper strength,” USDA Forest Service Research Paper, Forest Products Laboratory, Madison, WI, USA, 1978.
8. Demuner, B.D., Vianna Doria, E.L., Claudio-da-Silva Jr., E., et al., “The influence of eucalypt fiber characteristics on paper proper-ties,” Int. Pap. Phys. Conf., TAPPI Press, Atlanta, 1991.
9. Pulkkinen, I., Alopaeus, V., Fiskari, J., et al., O Papel 69(10):71(2008).10.1136/ebmh.11.3.69 ↗
10. Sundblad, S., “Predictions of pulp and paper properties based on fiber morphology,” Master’s thesis, Royal Institute of Technology (KT), Stockholm, Sweden, 2015.
11. Axelsson, A., “Fibre based models for predicting tensile strength of paper,” Master’s thesis, Luleå University of Technology, Luleå, Sweden, 2009.
12. Popil, R., Physical Testing of Paper, Smithers Group Company, Shawbury, UK, 2017.
13. Alanen, M., Poukka, A., and Kouivuniemi, I., WO. Pat. 2014/009605 A1 (January 16, 2014).10.1016/S1465-3249(14)00567-2 ↗
14. Keinanen, P., Piirainen, E., Maatta, J., et al., “New ways to manage drainability, fibre properties and shive content of the pulp,” Appita Annu. Conf. Exhib., 60th, Appita, Bundoora, VIC, Australia, 2006, p. 503.
15. Pedregosa, F., Varoquaux, G., Gramfort, A., et al., J. Mach. Learn. Res. 12: 2825(2011).
16. Montgomery, D.C., Design and Analysis of Experiments, 2nd edn., Wiley, New York, 1984.