Proof of concept test and evaluation, Lasentec refining sensor

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Description

The PAR-TEC 100, a particle size analyzer manufactured by Lasentec, Inc., is being evaluated as a sensor for in-line monitoring of fiber development during refining. The approach used is to beat softwood pulp in a Valley beater to produce a three point beater curve and to compare PAR-TEC measurements on those samples with Canadian Standard Freeness, Kajaani fiber length and coarseness, as well as tensile, wet tensile and tear strength. There is a very good positive correlation between PAR-TEC 100 scan counts mean size and tensile index; and a strong negative correlation to Canadian standard freeness, and Kajaani fiber length ... continued below

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Pages: (22 p)

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Anderson, J.E. May 1, 1991.

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Description

The PAR-TEC 100, a particle size analyzer manufactured by Lasentec, Inc., is being evaluated as a sensor for in-line monitoring of fiber development during refining. The approach used is to beat softwood pulp in a Valley beater to produce a three point beater curve and to compare PAR-TEC measurements on those samples with Canadian Standard Freeness, Kajaani fiber length and coarseness, as well as tensile, wet tensile and tear strength. There is a very good positive correlation between PAR-TEC 100 scan counts mean size and tensile index; and a strong negative correlation to Canadian standard freeness, and Kajaani fiber length when evaluating Valley beater fiber development. There is a positive relation between the results of analyzing the individual Bauer-McNett fiber fractions with both the Kajaani 100 and PAR-TEC 100. These results indicate that the PAR-TEC 100 measures a complex value of fiber size, which under the correct circumstances is directly related to Kajaani arithmetic average fiber length. 16 figs.

Physical Description

Pages: (22 p)

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OSTI; NTIS; GPO Dep.

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  • Other: DE92001744
  • Report No.: DOE/CE/40908-2
  • Grant Number: FG02-89CE40908
  • DOI: 10.2172/5160120 | External Link
  • Office of Scientific & Technical Information Report Number: 5160120
  • Archival Resource Key: ark:/67531/metadc1053306

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Office of Scientific & Technical Information Technical Reports

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  • May 1, 1991

Added to The UNT Digital Library

  • Jan. 22, 2018, 7:23 a.m.

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  • Jan. 29, 2018, 12:10 p.m.

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Anderson, J.E. Proof of concept test and evaluation, Lasentec refining sensor, report, May 1, 1991; United States. (digital.library.unt.edu/ark:/67531/metadc1053306/: accessed May 24, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.