Process and apparatus for separating particles by use of triboel

Details Process and apparatus for separating particles by use of triboel Process and apparatus for separating particles by use of triboel

1998-02-20

2000-03-07

Walsh, Donald P.

Classifying, separating, and assorting solids

Electrostatic

2091274, 406191, B03L 700

Patent

active

060343427

ABSTRACT:
A process and apparatus for subjecting a mixture of two types of electrically charged particles to intense physical contact through a pneumatic transfer modified by turbulent flow and path interruptions to produce surface electrical charges on the particles, and separating the charged particles to recover particles having the same charge. Seeding with a recoverable catalyst may be used as well as forming the path of the mixture from one of the two types of electrically neutral particles. The path interruptions may be sudden directional changes, circuitous paths, baffles, induced vortices and other mechanical apparatus.

REFERENCES:
patent: 4213852 (1980-07-01), Etkin
patent: 4627579 (1986-12-01), Rich
patent: 5358119 (1994-10-01), Stahl et al.
patent: 5542543 (1996-08-01), Yasukuni
patent: 5885330 (1999-03-01), Lee

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