Cluster diffusion in liquids

E. L. Cussler

Research output: Contribution to journalArticlepeer-review

76 Scopus citations


Diffusion in concentrated, non‐ideal liquid solutions may take place not only through motion of single molecules but also through movement of groups of molecules, or “clusters.” Analyzing this cluster diffusion leads to predictions that the diffusion coefficient can vary with the square root of the usual activity corrections to diffusion. These predictions seem consistent with experiments, particularly in highly non‐ideal solutions.

Original languageEnglish (US)
Pages (from-to)43-51
Number of pages9
JournalAIChE Journal
Issue number1
StatePublished - Jan 1980
Externally publishedYes


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