Process resulting in loss of performance of a membrane 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 (https://doi.org/10.1351/pac199668071479)