precoat

listen to the pronunciation of precoat
Englisch - Türkisch
(Nükleer Bilimler) ön kaplama
Englisch - Englisch
The coating of diatomaceous Earth on the grids of a DE filter at the beginning of each filter cycle
A thin layer, 1 5 to 3 0 mm, of filter aid that is applied to the septum before the actual filtration process A precoat is typically used in filter aid filtration when the following is needed
The layer of filter aid (usually D E ) formed on the media surface by introducing a slurry (generally between 1 and 2 lbs per square foot of surface area) to the medium at the beginning of the filter cycle
The application of a granular filter medium, such as diatomaceous earth or powdered activated carbon to a membrane or screen or other filtration surface, prior to the service cycle of a filter
Depositing diatomaceous earth (D E ) onto the filter grids or elements