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Publication of FR660431ApublicationCriticalpatent/FR660431A/en
B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
B03B5/00—Washing granular, powdered or lumpy materials; Wet separating
B03B5/48—Washing granular, powdered or lumpy materials; Wet separating by mechanical classifiers
B03B5/56—Drum classifiers
FR660431D1927-12-311927-12-31
Sand extraction and cleaning process
ExpiredFR660431A
(en)