Liquid purification or separation – Plural chambers with movement of granules therebetween
Patent
1993-12-09
1995-08-01
Cintins, Ivars
Liquid purification or separation
Plural chambers with movement of granules therebetween
210256, 210266, 210269, 210274, 21032184, B01D 1502, B01D 6158
Patent
active
054377870
ABSTRACT:
A filtration device 5 is provided in the state being submerged in slurry comprising adsorbent component stored in a reaction tank 1. The filtration device 5 incorporates a plurality of filtering-membrane elements 8 each comprising a filtering membrane 10 having less than 0.1 .mu.m of through-hole diameter. These filtering-membrane elements 8 are vertically disposed in parallel with each other at predetermined intervals between surfaces of adjoining filtering membranes 10. A suction pump 14 is provided by way of linkage with the filtering-membrane elements 8 via a suction tube 13 for sucking processed liquid. A gas-dispersing device 16 is disposed below the filtering-membrane elements 8. A blower 18 is provided in linkage with the gas-dispersing device 16 via a blowing duct 17. An adsorbent regeneration apparatus 21 and an adsorbent feeding pump 22 are respectively interposed on the halfway of an adsorbent circulation duct 20. As a result of the provision of the filtering membranes 10 for the filtering-membrane elements 8, extremely fine adsorbent particles can perfectly be separated without using precoating agent at all. And yet, as a result of the introduction of extremely fine adsorbent particles, the whole structure of the adsorption and reaction equipment can be built compactly. In particular, the invented equipment can continuously regenerate the spent adsorbent component.
REFERENCES:
patent: 5141719 (1992-08-01), Fernwood et al.
Ishida Hiroshi
Izumi Kiyoshi
Matsumura Shuzo
Cintins Ivars
Kubota Corporation
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