期刊
JOURNAL OF MEMBRANE SCIENCE
卷 228, 期 2, 页码 237-241出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.memsci.2003.10.012
关键词
fouling; critical flux; cross-flow filtration; ultratiltration
A simple model based on (a) the formation of a deposit under critical conditions and (b) on a boundary layer growing along a hollow fiber or tubular membrane in cross-flow filtration suggests that the limiting and critical fluxes can be theoretically linked. With certain assumptions, it is shown that the critical flux is equal to 2/3 of the limiting flux. The assumptions made and the existence of a direct relationshiop between critical and limiting flux in real world membrane process are further discussed. (C) 2003 Elsevier B.V. All rights reserved.
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