Process for separating materials of different specific gravities

Details Process for separating materials of different specific gravities Process for separating materials of different specific gravities

1986-02-10

1988-10-04

Bashore, S. Leon

Classifying, separating, and assorting solids

Fluid suspension

Liquid

2091725, 209173, 209 17, B03B 530

Patent

active

047754648

ABSTRACT:
This invention relates to a process for the dynamic separation of mixtures of materials, such as minerals having different specific gravities, by using one dense medium having two different densities, the process includes a closed loop flow system utilizing two medium streams of two different densities for separating mixtures of materials into two material/dense medium streams. The dense material is recovered from the two material/dense medium streams after separation and splitting by creating two return streams of two different densities which are individually fed to a tub, and the two medium streams are formed from the dense medium of the tubs by effecting overflow of the dense medium between the two tubs to establish substantially equal volume therebetween and maintain equal volume therebetween.

REFERENCES:
patent: 2726763 (1955-12-01), Rakowsky
patent: 2738069 (1956-03-01), Roller
patent: 2754963 (1956-07-01), Krijgsman et al.
patent: 2781906 (1957-02-01), Fontein
patent: 3282417 (1966-11-01), Chase et al.
patent: 3687284 (1972-08-01), Leeman et al.
patent: 3998728 (1976-12-01), Strauss
patent: 4144164 (1979-03-01), Absil et al.
patent: 4271010 (1981-06-01), Guarascio
patent: 4325819 (1982-04-01), Altizer
patent: 4470901 (1984-09-01), Burgess

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