Calibration of the ultrafiltration membranes by narrow fractions of lignosulphonates

E. A. Tsapuk, Viktor Kochkodan, I. D. Kolpakova, M. T. Bryk

Research output: Contribution to journalArticle

Abstract

A simple method is described to determine the curves of molecular-mass retention (CMMR) of the ultrafiltration membranes, using narrow fractions of lignosulfonates (a natural polydisperse mixture of lignosulfonic acid salts) isolated by the same ultrafiltration method. The results obtained from determinations of the CMMR using polyethylene glycols and lignosulfonates are compared. It is stated that practically identical results correspond to the conditions, when the calibration measurements are carried out in sodium chloride solutions at values of volume flow 4-12 μm÷s.

Original languageEnglish
Pages (from-to)912-915
Number of pages4
JournalKhimiya i Tekhnologiya Vody
Volume13
Issue number10
Publication statusPublished - Oct 1991
Externally publishedYes

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ultrafiltration
membrane
calibration
sodium chloride
salt
acid
method

ASJC Scopus subject areas

  • Water Science and Technology

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Calibration of the ultrafiltration membranes by narrow fractions of lignosulphonates. / Tsapuk, E. A.; Kochkodan, Viktor; Kolpakova, I. D.; Bryk, M. T.

In: Khimiya i Tekhnologiya Vody, Vol. 13, No. 10, 10.1991, p. 912-915.

Research output: Contribution to journalArticle

Tsapuk, E. A. ; Kochkodan, Viktor ; Kolpakova, I. D. ; Bryk, M. T. / Calibration of the ultrafiltration membranes by narrow fractions of lignosulphonates. In: Khimiya i Tekhnologiya Vody. 1991 ; Vol. 13, No. 10. pp. 912-915.
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