Classifying – separating – and assorting solids – Plural – diverse separating operations – Aqueous suspension and sifting
Patent
1991-12-20
1993-08-24
Dayoan, D. Glenn
Classifying, separating, and assorting solids
Plural, diverse separating operations
Aqueous suspension and sifting
210415, 2104161, 210307, 210311, 209267, 209273, 209306, 209255, 209380, 209389, B03B 700
Patent
active
052381170
ABSTRACT:
This invention relates to a screen separator for separating metal adsorbent particles from a pulp and includes a screen separator for separating metal adsorbent particles from a pulp including an open topped and closed bottom cylindrical screen for axially vertical location, in use, in a tank containing pulp with the open top of the screen at or adjacent the full pulp surface level in the tank, an impeller which is located in the screen with its axis of rotation vertical, drive means, and a drive shaft connecting the drive means to the impeller with the impeller being adapted to drive pulp in the screen upwardly to a level above the surface level of the full pulp level in the tank when the impeller is rotated in the screen. The invention further extends to a method of separating the particles from the pulp by means of the separator and to a metal recover process which employs the separation method.
REFERENCES:
patent: 1970552 (1934-08-01), Berge
patent: 2738065 (1956-03-01), Mahlkuch
patent: 3429445 (1969-02-01), Lee
patent: 3964996 (1976-06-01), Holz et al.
patent: 4096057 (1978-06-01), Porritt et al.
patent: 4955482 (1990-09-01), Elmore et al.
"Gold and Silver Recovery Innovations", Phase III, vol. 7, Chapter 42, pp. 4079-4184.
Dayoan D. Glenn
Kemix(Proprietary) Limited
Ryan Matthew K.
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