fouling

in membrane processes
https://doi.org/10.1351/goldbook.FT06876
Process resulting in loss of performance of a @MT06878@ due to the deposition of suspended or dissolved substances on its external surfaces, at its pore openings, or within its pores.
Source:
PAC, 1996, 68, 1479. (Terminology for membranes and membrane processes (IUPAC Recommendations 1996)) on page 1482 [Terms] [Paper]