Liquid purification or separation – Casing divided by membrane into sections having inlet – Energy recovery from treated liquid
Patent
1975-09-05
1977-05-24
Spear, Jr., Frank A.
Liquid purification or separation
Casing divided by membrane into sections having inlet
Energy recovery from treated liquid
B01D 3100
Patent
active
040254364
ABSTRACT:
A liquid treatment apparatus which can perform dialysis at a very high efficiency and which is suitable for dialysis of human blood is provided. The apparatus comprises a bundle of a vast plurality of semi-permeable hollow fibers substantially equal in length, which is gathered and bonded only at both end portions thereof. An inside liquid is permitted to flow the interior of the individual hollow fibers. This bundle of hollow fibers is loosely suspended in a vessel having a substantially U-shaped passage for an outside liquid, and the two gathered and bonded portions of the fiber bundle are connected to the vessel at two spaced-apart openings formed on the top face of the vessel. A dialyzate flowing outside the hollow fibers is introduced from an introduction opening formed in the bottom face of the vessel. In this apparatus, because the hollow fibers are suspended in the vessel loosely in an appropriately expanded state, the flow rate of the outside liquid flowing outside the hollow fibers can be increased while maintaining good contact with the suface of the fibers, and therefore, the treatment time can be drastically shortened. Especially good results are obtained when this apparatus is used as an artificial kidney for the cleaning of human bloods.
REFERENCES:
patent: 3276996 (1966-10-01), Lazare
patent: 3526001 (1970-08-01), Smith
patent: 3884814 (1975-05-01), Vogt et al.
Imamiya Tamotu
Inagaki Kenji
Mizoguchi Yoshiyuki
Ohno Kunio
Tsuda Nobuaki
Asahi Kasei Kogyo Kabushiki Kaisha
Spear, Jr. Frank A.
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