Process and device for aerating dispersions

Details Process and device for aerating dispersions Process and device for aerating dispersions

D - Textiles, Paper

21

C

D21C 5/02 (2006.01) B01F 3/04 (2006.01) B01F 3/08 (2006.01) B01F 5/02 (2006.01) B01F 5/04 (2006.01) B01F 5/06 (2006.01) B01F 13/10 (2006.01) B03D 1/14 (2006.01) D21B 1/32 (2006.01) D21F 1/70 (2006.01)

Patent

CA 2333440

The invention refers to a process for aerating dispersions, particularly for flotation of, for example, pulp suspensions in the deinking process, in at least two stages. It is mainly characterised by each stage having a separate liquid circulating system which sucks in the gas or air and mixes it with the liquid. The inventions also refers to a device with at least two flotation cells, with a separate injector 2 being provided in each stage and which is connected to an assigned pump to form a liquid circulating system 1.

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