B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
B01D—SEPARATION
B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
B01D46/52—Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material
B01D46/521—Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material using folded, pleated material
Sous-ensemble de distribution de matière et d'échange de chaleur et de matière pour colonne notamment à garnissage, et colonne munie d'un tel sous-ensemble