Fractionation and concentration of lignosulphonates by ultrafiltration

E. A. Tsapiuk, M. T. Bryk, M. I. Medvedev, Viktor Kochkodan

Research output: Contribution to journalArticle

19 Citations (Scopus)

Abstract

The influence of feed concentration, working pressure and membrane type on the fractionation effect and volume flow by ultrafiltration (UF) of lignosulphonates (LS) was studied. The process productivity decreases as the LS concentration in the feed increases, and the character of its alteration agrees with that predicted on the basis of a concentration polarization-gel formation model. A significant difference of the fractionation ability in the presence and absence of a gel layer was established. Some characteristics of the gel layer formed from LS fractions rejected by membranes were studied.

Original languageEnglish
Pages (from-to)107-130
Number of pages24
JournalJournal of Membrane Science
Volume47
Issue number1-2
DOIs
Publication statusPublished - 1989
Externally publishedYes

Fingerprint

Ultrafiltration
Fractionation
fractionation
Gels
gels
membranes
Membranes
productivity
Productivity
Polarization
Pressure
polarization

ASJC Scopus subject areas

  • Biochemistry
  • Materials Science(all)
  • Physical and Theoretical Chemistry
  • Filtration and Separation

Cite this

Fractionation and concentration of lignosulphonates by ultrafiltration. / Tsapiuk, E. A.; Bryk, M. T.; Medvedev, M. I.; Kochkodan, Viktor.

In: Journal of Membrane Science, Vol. 47, No. 1-2, 1989, p. 107-130.

Research output: Contribution to journalArticle

Tsapiuk, E. A. ; Bryk, M. T. ; Medvedev, M. I. ; Kochkodan, Viktor. / Fractionation and concentration of lignosulphonates by ultrafiltration. In: Journal of Membrane Science. 1989 ; Vol. 47, No. 1-2. pp. 107-130.
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