Liquid purification or separation – Processes – Liquid/liquid solvent or colloidal extraction or diffusing...
Patent
1984-02-27
1985-10-15
Spear, Frank
Liquid purification or separation
Processes
Liquid/liquid solvent or colloidal extraction or diffusing...
2104332, 210442, B01D 3100
Patent
active
045472890
ABSTRACT:
A filtration apparatus for removing undesirable components from a solution to be treated, comprises a module in which a number of hollow fibers are fixed at one end thereof by cast-molding materials, and is opened at the end portion above described and closed at another end portion thereof, in which said solution to be treated can be kept from leaking out of a mechanically sealed portion. Any defect in the sealed portion can be detected from the outside by the provision of an opening which leads the leaked solution to the outside of the apparatus, instead of allowing it to combine with the filtrate. The apparatus is preferably used for the manufacture of purified water which is free from bacteria, pyrogene, and the like. Ultra-purified water of remarkably high purity can be obtained when the apparatus is used as a check filter in a process for manufacturing ultra-purified water.
REFERENCES:
patent: 3228527 (1966-01-01), McPherson
patent: 3246764 (1966-04-01), McCormack
patent: 3442389 (1969-05-01), Mendelson
patent: 3456805 (1969-07-01), Jarvis et al.
patent: 3503515 (1970-03-01), Tomsic
Ohmory Akio
Okamoto Takehiko
Okano Yoshihiro
Kramer Barry
Spear Frank
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