Process and device for aerating suspensions

Details Process and device for aerating suspensions Process and device for aerating suspensions

2007-09-11

2007-09-11

Lithgow, Thomas M. (Department: 1724)

Classifying, separating, and assorting solids

Fluid suspension

Liquid

C209S170000, C162S004000

Reexamination Certificate

active

10785848

ABSTRACT:
A process for aerating suspensions, particularly to flotate them, for example in deinking of pulp suspensions, with one or more stages and/or cells. Each stage/cell has its own separate liquid loop. A cleaner is interposed to improve removal of dirt specks.

REFERENCES:
patent: 4186094 (1980-01-01), Hellberg
patent: 5330655 (1994-07-01), Schweiss et al.
patent: 2101225 (1994-01-01), None
patent: 1335147 (1995-04-01), None
patent: 3144561 (1983-05-01), None
patent: 4238336 (1994-05-01), None
patent: 2036603 (1980-07-01), None
patent: 96/16743 (1996-06-01), None
Pfalzer, Lotar, “The injector cell- a low energy flotation machine”, TAPPI, Oct. 1982, vol. 65, No. 10, pp. 73-76.

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