White Water Recirculation Method as a Means to Evaluate the Influence of Fines on the Properties of Handsheets

Rafael Giner Tovar, Wolfgang J. Fischer, Rene Eckhart*, Wolfgang Bauer

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


Fines are an important factor in the papermaking industry with respect to their influence on the mechanical properties of paper. A procedure offering the possibility to produce handsheets with a constant amount of fines, as well as the determination of the fines content, is of great importance in evaluating the influences of different types of fines. In this work, a method based on a white water circulation system and fiber morphology characterization using a flow cell was evaluated. Three different wires for handsheet forming were studied (120-mesh, 325-mesh, and 500-mesh), and the 325-mesh wire was chosen for further trials. Using the 325-mesh wire, a constant amount of fines was achieved after discarding seven handsheets. This method allows reliable evaluation of the effects of primary as well as secondary fines and a cellulosic additive on handsheet properties.

Original languageEnglish
Pages (from-to)7242-7251
Number of pages10
Issue number4
Publication statusPublished - 2015


  • Fines content
  • Fines retention
  • Handsheet forming
  • Paper properties
  • Primary fines
  • Secondary fines
  • White water circulation

ASJC Scopus subject areas

  • Materials Science (miscellaneous)

Fields of Expertise

  • Advanced Materials Science


  • NAWI Graz

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