In Portugal bestaan de gebruikte technologieën uit droogbedden (drainage op zandbeddingen en verdamping van vocht), indikking, mechanische vochtonttrekking (bandfilters, filterpersen, vacuümfilters of centrifugeermachines) en verschillende stabilisatieprocessen.
In Portugal the technologies employed are drying beds (drainage on sand beds and evaporation of humidity), thickening, mechanical dehydration (band filters, filter presses, vacuum filters or centrifugal machines) and various stabilisation processes.
