Ultrafiltration fractionation-concentration of sulfite liquors

E. A. Tshapyuk, Viktor Kochkodan, I. D. Kolpakova

Research output: Contribution to journalArticle

Abstract

About half of sulfite liquor produced in pulp manufacture plants is nowadays utilized as commercial-grade reagents. Partial concentration of sulfite laquor aimed at reducing the cost of evaporation can be performed by the membrane methods. It proved possible in principle to realize the ultrafiltration method to produce two and three fractions from sulfite liquor. The variables of the fractionation-concentration process using two membranes (UPM-55 and UAM-200) are determined, they are: specific process efficiency, its change depending on the degree of filtrate bleeding and concentration limits of one- and two-stage process of fractionation-concentration. Gel-chromatographic analysis of the obtained fractions of sulfite liquor has proved the efficiency of ultrafiltration fractionation.

Original languageEnglish
Pages (from-to)851-856
Number of pages6
JournalKhimiya i Tekhnologiya Vody
Volume14
Issue number11
Publication statusPublished - Nov 1992
Externally publishedYes

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sulfite
ultrafiltration
fractionation
membrane
gel
evaporation
cost
method

ASJC Scopus subject areas

  • Water Science and Technology

Cite this

Ultrafiltration fractionation-concentration of sulfite liquors. / Tshapyuk, E. A.; Kochkodan, Viktor; Kolpakova, I. D.

In: Khimiya i Tekhnologiya Vody, Vol. 14, No. 11, 11.1992, p. 851-856.

Research output: Contribution to journalArticle

Tshapyuk, EA, Kochkodan, V & Kolpakova, ID 1992, 'Ultrafiltration fractionation-concentration of sulfite liquors', Khimiya i Tekhnologiya Vody, vol. 14, no. 11, pp. 851-856.
Tshapyuk, E. A. ; Kochkodan, Viktor ; Kolpakova, I. D. / Ultrafiltration fractionation-concentration of sulfite liquors. In: Khimiya i Tekhnologiya Vody. 1992 ; Vol. 14, No. 11. pp. 851-856.
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