Technique for enhancing the effectiveness of slurried dense...

Classifying – separating – and assorting solids – Fluid suspension – Liquid

Reexamination Certificate

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C209S173000, C209S724000, C209S725000, C209S734000, C209S172500

Reexamination Certificate

active

07111738

ABSTRACT:
Methods, systems, and media for use in separating mixtures. A slurry including a separation liquid and one or more particulate media materials is provided. A classification separation is performed on the slurry to produce a classified media having a controlled particle size distribution of the particulate media materials. The classified media is combined with a mixture to be separated to generate a separation mixture. A density separation is performed on the separation mixture. The particle size distribution can be controlled based in part on characteristics of components of a separation system to be used in subsequent density separations.

REFERENCES:
patent: 5794791 (1998-08-01), Kindig
patent: 5819945 (1998-10-01), Laskowski et al.
patent: 5894996 (1999-04-01), Williams
patent: 5948276 (1999-09-01), Neureither et al.
patent: 6335376 (2002-01-01), Allen et al.
patent: 2004/0004033 (2004-01-01), Vandeputte

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