uphill transport

in membrane processes
https://doi.org/10.1351/goldbook.UT06884
Process in which @[email protected] of a component occurs from a less concentrated stream to a more concentrated permeable stream.
Source:
PAC, 1996, 68, 1479. (Terminology for membranes and membrane processes (IUPAC Recommendations 1996)) on page 1486 [Terms] [Paper]