Liquid purification or separation – Filter – Movable medium
Patent
1989-06-16
1990-10-30
Sever, Frank
Liquid purification or separation
Filter
Movable medium
210396, B01D 3500
Patent
active
049667009
ABSTRACT:
The apparatus comprises, among other things, an external group or unit (10) and an internal group or unit (20) which are movable relatively and which define a chamber (17) and an enclosure (223) separated by a body (11) permeable with respect to the liquid and impermeable with respect to the solid matter and an impervious elastic membrane (220) which can be expanded so as to be able to reduce the volume of the enclosure (223) in order to expel from it the liquid of the substance to be treated which has been placed therein and in order to press the solid matter against the body (11) or a filter (16) from where the said solid matter is detached by a scraper (50) so as to be collected separately.
Application for the production of separated solid matter with a dry-matter content at leaet equal to 40%.
REFERENCES:
patent: 3540586 (1970-11-01), Balley et al.
patent: 4088581 (1978-05-01), Carle
patent: 4182680 (1980-01-01), Carle
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