Gels as size selective extraction solvents

Edward L Cussler Jr, M. R. Stokar, J. E. Varberg

Research output: Contribution to journalArticlepeer-review

133 Scopus citations

Abstract

We have successfully used cross‐linked, partially‐hydrolyzed, polyacrylamide gels to concentrate solutions of high molecular weight solutes. The gels are sizeselective, concentrating solutes whose diameter exceeds 3 nm. They can be easily regenerated by means of pH‐induced changes in gel swelling; this regeneration is consistent with that inferred from existing theories of gel swelling. The resulting separation process is a good alternative to ultrafiltration.

Original languageEnglish (US)
Pages (from-to)578-582
Number of pages5
JournalAIChE Journal
Volume30
Issue number4
DOIs
StatePublished - Jul 1984

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