B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
B07B4/00—Separating solids from solids by subjecting their mixture to gas currents
B07B4/08—Separating solids from solids by subjecting their mixture to gas currents while the mixtures are supported by sieves, screens, or like mechanical elements
B—PERFORMING OPERATIONS; TRANSPORTING
B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
B07B7/00—Selective separation of solid materials carried by, or dispersed in, gas currents
B07B7/12—Selective separation of solid materials carried by, or dispersed in, gas currents with pulsating air currents
Procede pour la concentration d'un fluide liquide charge de matieres solides en suspension et/ou dissoutes et dispositif pour la mise en oeuvre de ce procede
Procede de traitement de materiaux solides, dissous, disperses ou semi-plastiques, notamment de substances difficiles a expanser, a l'aide d'un gaz et/ou d'un liquide, dans une couche expansee, et dispositif adapte a la mise en oeuvre d'un tel procede