Liquid purification or separation – Plural distinct separators – Filters
Patent
1989-04-26
1990-06-19
Sever, Frank
Liquid purification or separation
Plural distinct separators
Filters
210383, 210407, B01D 3321
Patent
active
049351370
ABSTRACT:
Filter apparatus where two or more chambers are each provided with an inlet 23, 26, 29, 32, and outlets 25, 28, 31, 34 and means 2, 27, 30, 33, for removing substances retained in the filter. It is desirable that the filter apparatus be suitable for separating liquid components of a mixture of liquids. This is achieved in applying the filter apparatus for the separation of the liquid mixture into at least two liquid components and a watery component if the filter medium 12 to which the liquid mixture is admitted through the inlet 26 of the first chamber is selected to retain the liquid component having the largest molecular size and the means for removing the substance retained is a line 27 for this liquid component and if for the purpose of transferring the filtrate from the first chamber into the second chamber, the outlet 28 of the first chamber is connected to the inlet 29 of the second chamber whose filter medium 13 is selected to retain the liquid component having the largest molecular size in the filtrate admitted and the means for removing the substance retained in the second chamber is a line 30 for this liquid component. Based on this configuration, a conventional plate-and-frame filter press or rotor filter press can conveniently be converted for the filtration of liquid components.
REFERENCES:
patent: 3984317 (1976-10-01), Donovan
patent: 4781828 (1988-11-01), Kupka
Apparatebau Biersdorf Walter Kramer GmbH
Sever Frank
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