Serial crossflow filtration assembly

Details Serial crossflow filtration assembly Serial crossflow filtration assembly

1990-01-30

1991-02-19

Sever, Frank

Liquid purification or separation

Processes

Liquid/liquid solvent or colloidal extraction or diffusing...

2101952, 2102572, 2103216, B01D 6114, B01D 6118

Patent

active

049941909

ABSTRACT:
A crossflow filtration assembly includes a plurality of crossflow filtration modules connected in series, a pump for introducing a solution containing large components and small components, and a pump for circulating the solution between the series-connected modules. Each module has an inlet for receiving the large and small components in solution, a semipermeable membrane for passing only the small particles in solution to be discharged from the assembly, and an outlet for passing the large components in solution to be circulated to the inlet of the next series-connected module. Prior to entering the next series-connected module, the large components in solution are diluted by incoming solution.

REFERENCES:
patent: 3856569 (1974-12-01), Strong
patent: 4062771 (1977-12-01), Saupe
patent: 4198293 (1980-04-01), Ogawa et al.
patent: 4255255 (1981-03-01), Ogawa et al.
patent: 4670150 (1987-06-01), Hsuing et al.
patent: 4702842 (1987-10-01), Lapierre
patent: 4717425 (1988-01-01), Lefebvre
patent: 4724080 (1988-02-01), Dau et al.

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