To provide an apparatus for efficiently recovering and reproducing a pulverulent or granular material such as a MAP and a zeolite dispersed in water.
An inner cylinder with lids 12, a peripheral face of which comprises a filtering material, is rotatably and detachably supported in an outer cylinder 4. A hollow pipe 11 penetrating a lid 8 of the outer cylinder 4 is connected to the center of a lid 13 of the inner cylinder with lids 12 for supplying a water containing the pulverulent or granular material. Since the pulverulent or granular material is separated from the water and remains in the inner cylinder with lids 12, the pulverulent or granular material is reproduced by transferring the inner cylinder with lids 12 to a second outer cylinder and by heating by supplying a heating gas into the hollow pipe 11, whereby an absorbed constituent material is desorbed. Because the pulverulent or granular material is reproduced as remaining in the inner cylinder with lids 12, a conveying process load is lightened up, which leads to the efficient recovery and reproduction.
COPYRIGHT: (C)2006,JPO&NCIPI
Fukumatsu Terujo
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Fumio Yamamoto
Yukine Sekine