Material added to the air stream on initial process start-up to aid in establishing an initial dustcake on the filter bags.
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.
Refers to the depositing of diatomaceous earth (D.E.) onto the filter grids or elements. A very fine granular filter medium, such as D.E., applied (usually by slurry) to a retaining membrane or fabric surface prior to a service run.